S3 INC
S-3/A, 1997-02-07
COMPUTER COMMUNICATIONS EQUIPMENT
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    As filed with the Securities and Exchange Commission on February 7, 1997
    
                                                      Registration No. 333-17519
================================================================================

                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
                                 ---------------

   
                                 Amendment No. 1
                                       to
                                    Form S-3
    

                             REGISTRATION STATEMENT
                                      Under
                           THE SECURITIES ACT OF 1933
                                 ---------------

                                 S3 INCORPORATED
             (Exact name of registrant as specified in its charter)

            Delaware                                    77-0204341
(State or other jurisdiction of            (I.R.S. Employer Identification No.)
 incorporation or organization)

   
                         2801 Mission College Boulevard
                          Santa Clara, California 95052
                                 (408) 588-8000
       (Address, including zip code, and telephone number, including area
               code, of registrant's principal executive offices)
    

                                 GARY J. JOHNSON
                      President and Chief Executive Officer
                                 S3 INCORPORATED
                         2801 Mission College Boulevard
                          Santa Clara, California 95052
                                 (408) 588-8000
            (Name, address, including zip code, and telephone number,
                   including area code, of agent for service)

                                   Copies to:
                                 JORGE DEL CALVO
                                 STANTON D. WONG
                                KAREN A. DEMPSEY
                          PILLSBURY MADISON & SUTRO LLP
                                  P.O. Box 7880
                         San Francisco, California 94120
                                 ---------------

                       Approximate date of commencement of
                    proposed sale to the public: From time to
                     time after this Registration Statement
                               becomes effective.

     If the only securities being registered on this Form are being offered
pursuant to dividend or interest reinvestment plans, please check the following
box. / /

     If any of the securities being registered on this Form are to be offered on
a delayed or continuous basis pursuant to Rule 415 under the Securities Act of
1933, other than securities offered only in connection with dividend or interest
reinvestment plans, check the following box. /X/

     If this Form is filed to register additional securities for an offering
pursuant to Rule 462(b) under the Securities Act, please check the following box
and list the Securities Act registration statement number of the earlier
effective registration statement for the same offering. / / ------

     If this Form is a post-effective amendment filed pursuant to Rule 462(c)
under the Securities Act, check the following box and list the Securities Act
registration statement number of the earlier effective registration statement
for the same offering. / / ______

     If delivery of the prospectus is expected to be made pursuant to Rule 434,
please check the following box. / /

       

     The Registrant hereby amends this Registration Statement on such date or
dates as may be necessary to delay its effective date until the Registrant shall
file a further amendment which specifically states that this Registration
Statement shall thereafter become effective in accordance with Section 8(a) of
the Securities Act of 1933 or until the Registration Statement shall become
effective on such date as the Commission, acting pursuant to said Section 8(a),
may determine.
================================================================================


<PAGE>

+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+                                                                             +
+         Information  contained  herein is subject to  completion  or        +
+         amendment.   A  registration  statement  relating  to  these        +
+         securities  has been filed with the  Securities and Exchange        +
+         Commission.  These securities may not be sold nor may offers        +
+         to buy  be  accepted  prior  to the  time  the  registration        +
+         statement  becomes  effective.  This  prospectus  shall  not        +
+         constitute an offer to sell or the solicitation of any offer        +
+         to buy nor shall  there be any sale of these  securities  in        +
+         any State in which such offer, solicitation or sale would be        +
+         unlawful prior to  registration or  qualification  under the        +
+         securities laws of any such State.                                  +
+                                                                             +
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

   
             SUBJECT TO COMPLETION, DATED FEBRUARY 7, 1997
    

PROSPECTUS

                            S3 INCORPORATED

                             $103,500,000
            5 3/4% Convertible Subordinated Notes due 2003
                                  and
                        Shares of Common Stock
                   Issuable upon Conversion Thereof

     This Prospectus relates to $103,500,000 aggregate principal amount of 5
3/4% Convertible Subordinated Notes due 2003 (the "Notes") of S3 Incorporated
("S3" or the "Company") and the shares of Common Stock, par value $.0001 per
share (the "Common Stock"), of the Company issuable upon the conversion of the
Notes (the "Conversion Shares"). The Notes and the Conversion Shares may be
offered from time to time for the accounts of the holders named herein (the
"Selling Securityholders").

     The Notes are convertible at the option of the holder into shares of Common
Stock of the Company, at any time prior to redemption or maturity, at a
conversion price of $19.22 per share (equal to a conversion rate of 52.0291
shares per $1,000 principal amount of Notes and representing in the aggregate
5,385,015 shares), subject to adjustment under certain circumstances. Interest
on the Notes is payable semi-annually in arrears on April 1 and October 1 of
each year, commencing on April 1, 1997.

     The Notes are unsecured general obligations of the Company and are
subordinated in right of payment to all existing and future Senior Indebtedness
(as defined in the Indenture). See "Description of the Notes--Subordination."
The Notes will mature on October 1, 2003, and may be redeemed, at the option of
the Company, in whole or in part, at any time on or after October 8, 1999 at the
redemption prices set forth herein plus accrued interest. Each holder of Notes
will have the right to cause the Company to repurchase all of such holder's
Notes, payable in cash or, at the Company's option, in Common Stock, in the
event the Common Stock is no longer publicly traded or in certain circumstances
involving a Change of Control (as defined in the Indenture).

     The Notes and the Conversion Shares may be offered by the Selling
Securityholders from time to time in transactions (which may include block
transactions in the case of the Conversion Shares) on any exchange or market on
which such securities are listed or quoted, as applicable, in negotiated
transactions, through a combination of such methods of sale, or otherwise, at
fixed prices that may be changed, at market prices prevailing at the time of
sale, at prices related to prevailing market prices, or at negotiated prices.
The Selling Securityholders may effect such transactions by selling the Notes or
Conversion Shares directly or to or through broker-dealers, who may receive
compensation in the form of discounts, concessions or commissions from the
Selling Securityholders and/or the purchasers of the Notes or Conversion Shares
for whom such broker-dealers may act as agents or to whom they may sell as
principals, or both (which compensation as to a particular broker-dealer might
be in excess of customary commissions). The Company will not receive any of the
proceeds from the sale of the Notes or Conversion Shares by the Selling
Securityholders. The Company has agreed to pay all expenses incident to the
offer and sale of the Notes and Conversion Shares offered by the Selling
Securityholders hereby, except that the Selling Securityholders will pay all
underwriting discounts and selling commissions, if any. See "Plan of
Distribution."

   
     The Notes have been designated for trading on the Private Offerings,
Resales and Trading through Automated Linkages ("PORTAL") Market. Notes sold
pursuant to this Prospectus are not expected to remain eligible for trading on
the PORTAL Market. The Common Stock is traded on the Nasdaq National Market
under the symbol "SIII." On February 5, 1997, the last reported sale price of
the Common Stock on the Nasdaq National Market was $16.375 per share.
    

                                 ---------------

          The Notes and the Common Stock offered hereby involve a high
             degree of risk. See "Risk Factors" beginning on page 3.

                                 ---------------

    THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES
           AND EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION,
           NOR HAS THE SECURITIES AND EXCHANGE COMMISSION OR ANY STATE
                SECURITIES COMMISSION PASSED UPON THE ACCURACY OR
                 ADEQUACY OF THIS PROSPECTUS. ANY REPRESENTATION
                     TO THE CONTRARY IS A CRIMINAL OFFENSE.

                                 ---------------

   
                The date of this Prospectus is February ___, 1997
    


<PAGE>

                              AVAILABLE INFORMATION

     The Company is subject to the informational requirements of the Securities
Exchange Act of 1934, as amended (the "Exchange Act"), and in accordance
therewith files reports, proxy and information statements, and other information
with the Securities and Exchange Commission (the "Commission"). Such reports,
proxy and information statements, and other information filed by the Company can
be inspected and copied at the public reference facilities maintained by the
Commission at 450 Fifth Street, N.W., Washington, D.C., as well as the regional
offices of the Commission located at Citicorp Center, 500 West Madison Street,
Suite 1400, Chicago, Illinois, and 7 World Trade Center, Suite 1300, New York,
New York. Copies of such material can be obtained from the Public Reference
Section of the Commission at 450 Fifth Street, N.W., Washington, D.C. 20549 at
prescribed rates. The Commission maintains a World Wide Web site that contains
reports, proxy and information statements, and other information that are filed
through the Commission's Electronic Data Gathering, Analysis and Retrieval
System. This Web site can be accessed at http://www.sec.gov.

     The Company has filed with the Commission a Registration Statement on Form
S-3 (together with all amendments and exhibits thereto, the "Registration
Statement") under the Securities Act of 1933, as amended (the "Securities Act"),
with respect to the Notes and Common Stock offered hereby. This Prospectus does
not contain all of the information set forth in the Registration Statement and
the exhibits and schedules thereto, certain parts of which are omitted in
accordance with the rules and regulations of the Commission. For further
information with respect to the Company, the Notes and the Common Stock,
reference is made to the Registration Statement and the exhibits and schedules
thereto. Statements contained in this Prospectus as to the contents of any
contract or other document are not necessarily complete and, in each instance,
reference is made to the copy of such contract or document filed as an exhibit
to the Registration Statement, each such statement being qualified in all
respects by such reference. Copies of the Registration Statement, including all
exhibits thereto, may be obtained from the Commission's principal office in
Washington, D.C. upon payment of the fees prescribed by the Commission, or may
be examined without charge at the offices of the Commission described above.

                       DOCUMENTS INCORPORATED BY REFERENCE

     The following documents previously filed with the Commission are hereby
incorporated by reference into this Prospectus: (i) the Company's Annual Report
on Form 10-K for the year ended December 31, 1995, (ii) the Company's Quarterly
Reports on Form 10-Q for the quarters ended March 31, 1996, June 30, 1996, and
September 30, 1996, (iii) the Company's Current Report on Form 8-K dated
September 18, 1996, and (iv) the description of the Common Stock contained in
the Company's Registration Statement on Form 8-A filed under the Exchange Act on
January 21, 1993. All documents subsequently filed by the Company pursuant to
Section 13(a), 13(c), 14 or 15(d) of the Exchange Act prior to the termination
of the offering to which this Prospectus relates shall be deemed to be
incorporated by reference into this Prospectus and to be part of this Prospectus
from the date of filing thereof.

   
     Any statement contained in a document incorporated by reference herein
shall be deemed to be modified or superseded for purposes of this Prospectus and
the Registration Statement of which it is a part to the extent that a statement
contained herein or in any other subsequently filed document which also is
incorporated herein modifies or replaces such statement. Any statement so
modified or superseded shall not be deemed, in its unmodified form, to
constitute a part of this Prospectus or such Registration Statement. The Company
will provide without charge to each person to whom a copy of the Prospectus has
been delivered, and who makes a written or oral request, a copy of any and all
of the foregoing documents incorporated by reference in the Registration
Statement (other than exhibits unless such exhibits are specifically
incorporated by reference into such documents). Requests should be submitted in
writing or by telephone to Investor Relations, S3 Incorporated, at the Company's
principal executive offices, 2801 Mission College Boulevard, Santa Clara,
California 95052, telephone (408) 588-8000.
    

                                 ---------------

     S3 is a registered trademark of the Company and the Trio, ViRGE and Vision
families of marks are trademarks of the Company. Other trademarks referenced in
this Prospectus are owned by their respective companies.


                                        2


<PAGE>


                                   THE COMPANY

     S3 Incorporated ("S3" or the "Company") is a leading supplier of high
performance multimedia accelerator solutions for the PC market. The Company's
accelerators are designed to work cooperatively with a PC's central processing
unit ("CPU"), implementing functions best suited for a dedicated accelerator
while allowing the CPU to perform the more general purpose computing functions
of today's advanced graphical user interface ("GUI") environment and
applications. By complementing the computing power of the general purpose CPU,
the Company's integrated software and silicon-based accelerator solutions
significantly improve the multimedia performance of PCs while reducing overall
system cost and complexity. S3 has been a pioneer in graphics acceleration since
1991, when it was the first company to ship in volume a single chip graphics
accelerator with a local bus interface. S3 has since delivered new generations
of high performance accelerator solutions with 32-bit and 64-bit multimedia
products such as integrated 2D graphics and video accelerators, integrated 3D
graphics and video accelerators, MPEG decoders and audio processors enabling
more advanced graphics and integrated full-motion video acceleration. In
November 1995, S3 introduced its initial members of a family of 3D graphics and
video accelerator products to enable 3D graphics on mainstream PCs. As the
demand for greater multimedia capabilities in PCs increases, particularly the
demand for 3D technology, the Company is focused on continuing to deliver
accelerator solutions for use in business desktop, home and mobile computing
systems. The Company sells its graphics and multimedia accelerators to leading
systems and motherboard manufacturers such as Acer Incorporated, AST Research
Incorporated, Compaq Computer Corporation, Dell Computer Corporation, Digital
Equipment Corporation, Gateway 2000, Inc., Hewlett-Packard Company, Intel
Corporation, International Business Machines Corporation ("IBM"), Packard Bell
NEC, and VTech Holdings Limited, and to leading add-in board manufacturers such
as Diamond Multimedia Systems, Inc., miro Computer Products AG, Number Nine
Visual Technology Corporation, and STB Systems, Inc.

     When used in this Prospectus, the words "expects," "anticipates,"
"estimates" and similar expressions are intended to identify forward-looking
statements. Such statements, which include statements contained in "Risk
Factors" concerning the timing of availability and functionality of products
under development, product mix, trends in average selling prices, the growth
rate of the market for PCs, the percentage of export sales and sales to
strategic customers, the adoption or retention of industry standards, the
availability and cost of products from the Company's suppliers, and the initial
operating results for the Company's joint venture foundry, are subject to risks
and uncertainties, including those set forth under "Risk Factors" and elsewhere
in this Prospectus, that could cause actual results to differ materially from
those projected. These forward-looking statements speak only as of the date of
this Prospectus. The Company expressly disclaims any obligation or undertaking
to release publicly any updates or revisions to any forward-looking statement
contained herein to reflect any change in the Company's expectations with regard
thereto or any change in events, conditions or circumstances on which any such
statement is based.


                                  RISK FACTORS

     The securities offered hereby involve a high degree of risk. The following
factors should be considered carefully in evaluating an investment in the Notes
and Conversion Shares offered hereby.

Fluctuations in Quarterly Operating Results

   
     The Company's operating results have historically been, and will continue
to be, subject to quarterly and other fluctuations due to a variety of factors,
including changes in pricing policies by the Company, its competitors or its
suppliers, anticipated and unanticipated decreases in unit average selling
prices of the Company's products, availability and cost of products from the
Company's suppliers, changes in the mix of products sold and in the mix of sales
by distribution channels, the gain or loss of significant customers, new product
introductions by the Company or its competitors, market acceptance of new or
enhanced versions of the Company's products, seasonal customer demand, and the
timing of significant orders. Operating results could also be adversely affected
by general economic and other conditions affecting the timing of customer orders
and capital spending, a downturn in the market for PCs, and order cancellations
or rescheduling. In particular, the market for PCs in 1996 experienced a
weakening in the trends for demand as compared with 1995 and grew at a lower
rate as compared with 1995. These factors could adversely affect demand for the
Company's products. In addition, the pricing environment for graphics
accelerators
    


                                        3


<PAGE>


has recently experienced and is expected to continue to experience
increasing pricing pressures due in part to the alleviation of supply
constraints that contributed to more stable pricing in 1995 and to aggressive
pricing from certain of the Company's competitors. In particular, the Company's
Trio family of integrated 2D accelerators, which accounted for a majority of the
Company's revenues in 1996, has experienced significant decreases in average
selling prices in 1996. The Company expects that the graphics accelerator market
will transition from 2D acceleration to 3D acceleration, and the Company has
introduced its ViRGE family of 3D accelerators in response to this expected
transition. As a result of the entry of competitors into the 3D acceleration
market, the Company anticipates that it may experience increased pricing
pressures on average selling prices for the ViRGE family of 3D accelerators. If
the transition occurs slower than expected, if the Company's 3D products do not
achieve market acceptance, or if pricing pressures increase, the Company's
operating results could be adversely affected. Further, because the Company is
continuing to increase its operating expenses for personnel and new product
development, the Company's operating results would be adversely affected if
budgeted sales levels were not achieved. PC graphics and multimedia subsystems
include, in addition to the Company's products, a number of other components,
which are supplied by third-party manufacturers. Any shortage of such components
in the future could adversely affect the Company's business and operating
results. Furthermore, it is possible that the Company's products may be found to
be defective after the Company has already shipped significant volume
production. There can be no assurance that the Company would be able to
successfully correct such defects or that such corrections would be acceptable
to customers, and the occurrence of such events could have a material adverse
effect on the Company's business and operating results.

     Because the Company must order products and build inventory substantially
in advance of product shipments, and because the markets for the Company's
products are volatile and subject to rapid technological and price changes,
there is a risk that the Company will forecast incorrectly and produce excess or
insufficient inventories of particular products. In addition, the Company's
customers may change delivery schedules or cancel orders without significant
penalty. To the extent the Company produces excess or insufficient inventories
of particular products, the Company's operating results could be adversely
affected.

     The Company ships more product in the third month of each quarter than in
either of the first two months of the quarter, with shipments in the third month
higher at the end of the month. This pattern, which is common in the
semiconductor industry, is likely to continue. The concentration of sales in the
last month of the quarter may cause the Company's quarterly results of
operations to be more difficult to predict. Moreover, a disruption in the
Company's production or shipping near the end of a quarter could materially
reduce the Company's net sales for that quarter. The Company's reliance on
outside foundries and independent assembly and testing houses reduces the
Company's ability to control, among other things, delivery schedules.

Importance of New Products; Rapid Technological Change

     The PC industry in general, and the market for the Company's products in
particular, is characterized by rapidly changing technology, evolving industry
standards, frequent new product introductions and significant price competition,
resulting in short product life cycles and regular reductions of unit average
selling prices over the life of a specific product. Products in the Company's
market typically have a life cycle of 12 to 24 months, with regular reductions
of unit average selling prices over the life of a specific product. The
successful development and commercialization of new products required to replace
or supplement existing products involve many risks, including the identification
of new product opportunities, the successful and timely completion of the
development process, and the selection of the Company's products by leading
systems suppliers and board manufacturers for design into their products. There
can be no assurance that the Company will successfully identify new product
opportunities and develop and bring to market in a timely manner successful new
products, that products or technologies developed by others will not render the
Company's products or technologies noncompetitive, or that the Company's
products will be selected for design into its customers' products.

     The Company is continually developing new products to address changing
market needs, and its operating results may fluctuate from those in prior
quarters or may be adversely affected in quarters in which it is undergoing a
product transition or in which existing products are under price pressures due
to competitive factors. The Company also intends to add increased functionality
to its products, such as system logic, audio, communications or other


                                        4


<PAGE>


   
additional functions. Market acceptance of the Company's products will also
depend upon acceptance of other components, such as memory, that the Company's
products are designed to work with. For example, the Company has recently
introduced accelerators designed to work with synchronous graphics RAM ("SGRAM")
and/or synchronous DRAM ("SDRAM"), which the Company believes offers better
performance for its price than the more expensive video RAM ("VRAM"). However,
there can be no assurance that other memory technologies, such as Rambus DRAM,
will not achieve a greater degree of market acceptance than SGRAMs or SDRAMs. If
new products are not brought to market in a timely manner or do not address
market needs or achieve market acceptance, then the Company's operating results
will be adversely affected. The Company's 1994 operating results were adversely
affected in part because the Company had made a strategic decision to transition
its product offerings from 32-bit to 64-bit accelerators during the first half
of 1994, but due to a lack of PC system logic chipsets based on the PCI bus
standard and a slower than anticipated shift from 32- to 64-bit graphics, sales
of S3's PCI-based Vision64 family of accelerators were less than expected.
During the same period of time, competitors' 32-bit integrated accelerator
products offered a more competitive solution to the Company's customers and
ultimately necessitated an adjustment in the valuation of the Company's 32-bit
non-integrated inventory. In anticipation of a shift in demand from 2D to 3D
technology, the Company has introduced the initial products from its ViRGE
family of 3D multimedia accelerators. If the transition from 2D to 3D in the PC
market is slower than the Company expects or if these products are not brought
to market in a timely manner or do not address market needs or achieve market
acceptance, the Company's operating results could be adversely affected.
    

Dependence on Foundries and Other Third Parties

     The Company currently relies on several independent foundries to
manufacture its products either in finished form or wafer form. The Company
currently has a long-term supply agreement with only one of its foundries,
Taiwan Semiconductor Manufacturing Company ("TSMC"), which is a "take or pay"
contract, and has invested in a joint venture foundry, United Semiconductor
Corporation ("USC"). The Company conducts business with its other current
foundries by delivering written purchase orders specifying the particular
product ordered, quantity, price, delivery date and shipping terms and,
therefore, such foundries are generally not obligated to supply products to the
Company for any specific period, in any specific quantity or at any specified
price, except as may be provided in a particular purchase order. To the extent a
foundry terminates its relationship with the Company or should the Company's
supply from a foundry be interrupted or terminated for any other reason, such as
a natural disaster, the Company may not have a sufficient amount of time to
replace the supply of products manufactured by that foundry. From time to time,
the Company is unable to obtain a sufficient supply of products to enable it to
meet demand and is required to allocate available supply of its products among
its customers. Until recently, there has been a worldwide shortage of advanced
process technology foundry capacity and there can be no assurance that the
Company will obtain sufficient foundry capacity to meet customer demand in the
future, particularly if that demand should increase. The Company is continuously
evaluating potential new sources of supply. However, the qualification process
and the production ramp-up for additional foundries has in the past taken, and
could in the future take, longer than anticipated, and there can be no assurance
that such sources will be able or willing to satisfy the Company's requirements
on a timely basis or at acceptable quality or per unit prices.

     In the third quarter of 1995, the Company entered into an agreement with
United Microelectronics Corporation ("UMC") and Alliance Semiconductor
Corporation ("Alliance") to form a separate Taiwanese company, USC, for the
purpose of building and managing a semiconductor manufacturing facility in the
Science-Based Industrial Park in Hsin Chu City, Taiwan. To the extent USC
experiences operating losses during the ramp up of production or thereafter, the
Company will recognize its proportionate share of such losses and may be
required to contribute additional capital. There can be no assurance that USC
will ramp to planned capacity, that such operating losses will not continue
after the ramp up of production or that such losses will not have a material
adverse effect on the Company's consolidated results of operations.

     The Company's foundry agreement with TSMC requires the Company, under
certain circumstances, to purchase certain committed capacity amounts or forfeit
advance payments against such amounts. To the extent the Company purchases
excess inventories of particular products or chooses to forfeit advance
payments, the Company's operating results could be adversely affected.


                                        5


<PAGE>


   
     Two of the Company's principal foundries, TSMC and UMC, and the Company's
foundry joint venture, USC, are located in the Science-Based Industrial Park in
Hsin Chu City, Taiwan. The Company currently expects these three foundries to
supply the substantial portion of the Company's products in 1997. Disruption of
operations at these foundries for any reason, including work stoppages, fire,
earthquakes or other natural disasters, would cause delays in shipments of the
Company's products, and could have a material adverse effect on the Company's
results of operations. In addition, as a result of the rapid growth of the
semiconductor industry based in the Science-Based Industrial Park, severe
constraints have been placed on the water and electricity supply in that region.
Any shortages of water or electricity could adversely affect the Company's
foundries' ability to supply the Company's products, which could have a material
adverse effect on the Company's results of operations.
    

     The Company is using multiple sources of supply for certain of its
products, which may require the Company's customers to perform separate product
qualifications. The Company has not, however, developed alternate sources of
supply for certain other products, and its newly introduced products are
typically produced initially by a single foundry until alternate sources can be
qualified. The requirement that a customer perform separate product
qualifications or a customer's inability to obtain a sufficient supply of
products from the Company may cause that customer to satisfy its product
requirements from the Company's competitors, which would adversely affect the
Company's results of operations.

     The Company's products are assembled and tested by a variety of independent
subcontractors. The Company's reliance on independent assembly and testing
houses to provide these services involves a number of risks, including the
absence of guaranteed capacity and reduced control over delivery schedules,
quality assurance and costs. The Company also is subject to the risks of
shortages and increases in the cost of raw materials used in the manufacture or
assembly of the Company's products.

     Constraints or delays in the supply of the Company's products, whether
because of capacity constraints, unexpected disruptions at the foundries or
assembly or testing houses, delays in obtaining additional production at
existing foundries or in obtaining production from new foundries, shortages of
raw materials, or other reasons, could result in the loss of customers and other
material adverse effects on the Company's operating results, including effects
that may result should the Company be forced to purchase products from higher
cost foundries or pay expediting charges to obtain additional supply.

Transactions to Obtain Manufacturing Capacity; Future Capital Needs

     In order to obtain an adequate supply of wafers, especially wafers
manufactured using advanced process technologies, the Company has entered into
and will continue to consider various possible transactions, including the use
of "take or pay" contracts that commit the Company to purchase specified
quantities of wafers over extended periods, equity investments in or advances or
issuances of equity securities to wafer manufacturing companies in exchange for
guaranteed production capacity, or the formation of joint ventures to own and
operate or construct foundries or to develop certain products. Any of these
transactions would involve financial risk to the Company and could require the
Company to commit substantial capital or provide technology licenses in return
for guaranteed production capacity. In particular, the Company has entered into
a "take or pay" contract with TSMC and a joint venture with UMC and another
semiconductor company. The need to commit substantial capital may require the
Company to seek additional equity or debt financing. The sale or issuance of
additional equity or convertible debt securities could result in additional
dilution to the Company's stockholders. There can be no assurance that such
additional financing, if required, will be available when needed or, if
available, will be on terms acceptable to the Company.

Dependence on Accelerator Product Line

     S3's products are designed to improve the graphics and multimedia
performance of x86-based PCs and Microsoft Windows, Windows NT and IBM OS/2
operating systems, the predominant standards in today's PC market. Any shift
away from such standards would require the Company to develop new products. The
Company expects that additional specialized graphics and multimedia processing
and general purpose computing capabilities will be integrated into future
versions of Intel and other x86-based microprocessors and that standard
multimedia


                                        6


<PAGE>


   
accelerators in the future will likely integrate memory, system logic,
audio, communications or other additional functions. The Company has not
previously offered either single function or integrated accelerator products
that provide these functions, which have traditionally been provided by separate
single function chips or chipsets. The Company has been and will continue to be
required to expand the scope of its research and development efforts to provide
these functions, which will require the hiring of engineers skilled in the
respective areas and additional management and coordination among the Company's
design and engineering groups. Alternatively, the Company may find it necessary
or desirable to license or acquire technology to enable the Company to provide
these functions, and there can be no assurance that any such technology will be
available for license or purchase on terms acceptable to the Company.
Furthermore, there is a limited amount of space on PC motherboards, and
companies that offer solutions that provide the greatest amount of functionality
within this limited space may have a competitive advantage. While the Company's
strategy is to develop new and enhanced graphics and multimedia accelerator
products that will be complementary to present and future versions of Intel and
other x86-based microprocessors and integrate significant additional
functionality, there can be no assurance that the Company will be able to
develop such new or enhanced products in a timely manner or correctly anticipate
the additional functionality that will be required to compete effectively in
this market. There can be no assurance that, if developed, the Company's new or
enhanced products that incorporate these functions will achieve market
acceptance. There also can be no assurance that the market for graphics and
multimedia accelerators will continue to grow in the future or that new
technological developments or changes in standards will not result in decreased
demand for graphics and multimedia accelerators or for the Company's products
that are not compatible with such changed standards. For example, in 1996, there
was an absence of an industry standard 3D graphics application programming
interface ("API"). As a result, the Company developed and promoted its
proprietary API. Microsoft Corporation ("Microsoft") has since introduced its
Direct 3D API. While the Company's 3D accelerators currently support the
Company's proprietary API and Microsoft's Direct 3D API, there can be no
assurance that another API will emerge as an industry standard. While the PC
industry in recent periods has been characterized by substantial demand, such
demand has historically been cyclical, and there can be no assurance that this
demand will continue in future periods or that demand for the Company's products
will continue. The occurrence of any such events would have a material adverse
effect on the Company's operating results.
    

Substantial Competition

   
     The market for the Company's products is extremely competitive and is
characterized by declining selling prices over the life of a particular product
and rapid technological changes. The Company's principal competitors for
graphics accelerators include ATI Technologies, Inc., Cirrus Logic, Inc., Matrox
Graphics Inc., and Trident Microsystems, Inc. The Company's principal
competitors in the multimedia market include the companies named in the
preceding sentence and a number of small, privately-held companies which may
have greater flexibility to address specific market needs. Potential competitors
in these markets include both large and emerging domestic and foreign
semiconductor companies. In particular, there is a significant number of
established and emerging companies that have developed, are developing or have
announced plans to develop 3D graphics chips, including Intel Corporation and
Lockheed Martin Corporation, which have announced that they are jointly
developing such chips, which expect to become available in the second half of
1997, and Texas Instruments Incorporated, which has announced a development and
marketing agreement with 3Dlabs Inc., Ltd. In addition, Microsoft has announced
that it is developing a reference architecture, Talisman, with an alternative
method of providing 3D functionality. Microsoft is working with a number of
companies, including Cirrus Logic, Inc., Samsung Electronics Co., Ltd., Philips
N.V. and Fujitsu Ltd., to implement this architecture. There can be no assurance
that the Company's product offerings to address the demand for the next
generation of 3D accelerators will be competitive, and if such product offerings
are not competitive, the Company's results of operations in 1997 and future
periods could be materially and adversely affected. To the extent the Company
expands its product line to add products with additional functionality, such as
audio, communications and system logic functions, it will encounter substantial
competition from established semiconductor companies and may experience
competition from companies designing chips based on different technologies, such
as software-centric multimedia processors. Further, the need of PC manufacturers
to rapidly introduce a variety of products aimed at different segments of the PC
market may lead to the shift by such system OEMs to the purchase of graphics and
multimedia add-in cards provided by others. Certain of the Company's competitors
supply both add-in cards and accelerator chips, which may provide those
competitors with an advantage over suppliers such as the Company that supply
only accelerator chips. In addition, certain of the
    


                                        7


<PAGE>

   
Company's potential competitors that supply add-in cards and/or
motherboards, such as Intel Corporation, may seek to use their card/board
business to leverage the startup of their graphics accelerator business. Certain
of the Company's current and potential competitors have greater technical,
manufacturing, financial and marketing resources than the Company. The Company
believes that its ability to compete successfully depends upon a number of
factors both within and outside of its control, including product performance,
product features, product availability, price, quality, timing of new product
introductions by the Company and its competitors, the emergence of new graphics
and PC standards, customer support, and industry and general economic trends.
There can be no assurance that the Company will have the financial resources,
technical expertise, or marketing, distribution and support capabilities to
compete successfully. The Company's future success will be highly dependent upon
the successful development and introduction of new products that are responsive
to market needs. There can be no assurance that the Company will be able to
successfully develop or market any such products.
    

Customer Concentration

   
     The Company's sales are concentrated within a limited customer base. One
customer, Diamond Multimedia Systems, Inc., accounted for 15% of net sales in
1996. Two customers, Diamond Multimedia Systems, Inc. and Intel Corporation,
accounted for 17% and 12%, respectively, of net sales in 1995, and two
customers, IBM and Digital Equipment Corporation, accounted for 19% and 16%,
respectively, of net sales in 1994. The Company expects a significant portion of
its future sales to remain concentrated within a limited number of strategic
customers. There can be no assurance that the Company will be able to retain its
strategic customers or that such customers will not otherwise cancel or
reschedule orders, or in the event of canceled orders, that such orders will be
replaced by other sales. In addition, sales to any particular customer may
fluctuate significantly from quarter to quarter. The occurrence of any such
events could have a material adverse effect on the Company's operating results.
    

Management of Growth; Dependence on Key Personnel

     Since its inception, the Company has experienced significant growth in the
number of its employees and in the scope of its operating and financial systems,
resulting in increased responsibilities for the Company's management. To manage
future growth effectively, the Company will need to continue to improve its
operational, financial and management information systems, procedures and
controls, and expand, train, motivate, retain and manage its employee base. The
Company is in the process of implementing a new management information system.
Any problems encountered in the implementation of such system could adversely
affect the Company's operations. There can be no assurance that the Company will
be able to manage its growth effectively, and failure to do so could have a
material adverse effect on the Company's operating results.

     The Company's future success depends in part on the continued service of
its key engineering, sales, marketing and executive personnel, including highly
skilled semiconductor design personnel and software developers, and its ability
to identify and hire additional personnel. In August 1996, the Company appointed
a new President and Chief Executive Officer to replace Terry N. Holdt, who
retired, and there can be no assurance as to the effects of this management
transition on the Company's business and operating results. Competition for such
personnel is intense and there can be no assurance that the Company can retain
and recruit adequate personnel to operate its business. The loss of key
personnel could have a material adverse effect on the Company's business and
operating results. The Company does not maintain key man insurance on any of its
employees.

Importance of Intellectual Property; Litigation Involving Intellectual Property

   
     The Company's ability to compete will be affected by its ability to protect
its proprietary information. The Company has filed several United States and
foreign patent applications and has a number of issued United States patents.
The Company relies primarily on its trade secrets and technological know-how in
the conduct of its business. There can be no assurance that the steps taken by
the Company to protect its intellectual property will be adequate to prevent
misappropriation of its technology or that the Company's competitors will not
independently develop technologies that are substantially equivalent or superior
to the Company's technology. The semiconductor and software industries are
characterized by frequent claims and related litigation regarding patent and
other intellectual property rights. The Company is party to various claims of
this nature. Although the ultimate outcome
    


                                        8


<PAGE>


of these matters is not presently determinable, management presently
believes that the resolution of all such pending matters will not have a
material adverse effect on the Company's operating results. There can be no
assurance that third parties will not assert additional claims or initiate
litigation against the Company, its foundries or its customers with respect to
existing or future products. In addition, the Company may initiate claims or
litigation against third parties for infringement of the Company's proprietary
rights or to determine the scope and validity of the proprietary rights of the
Company or others. Litigation by or against the Company has in the past, in the
case of litigation with Brooktree Corporation ("Brooktree"), resulted and could
in the future result in significant expense to the Company and diversion of the
efforts of the Company's technical and management personnel, whether or not
litigation is determined in favor of the Company. In the event of an adverse
result in any such litigation, the Company could be required to pay substantial
damages, cease the manufacture, use, sale, offer for sale and importation of
infringing products, expend significant resources to develop or obtain
non-infringing technology, discontinue the use of certain processes, or obtain
licenses to the technology which is the subject of the litigation. There can be
no assurance that the Company would be successful in such development or
acquisition or that any such licenses, if available, would be available on
commercially reasonable terms, and any such development or acquisition could
require expenditures by the Company of substantial time and other resources. Any
such litigation or adverse result therefrom could have a material adverse effect
on the Company's operating results.

     In October 1995, Brooktree filed a complaint against the Company in the
United States District Court for the Southern District of California, alleging
that the Company's current products infringe a Brooktree patent. Such lawsuit
resulted in substantial expense to the Company to defend the action and diverted
the efforts of the Company's technical and management personnel. In August 1996,
the Company and Brooktree entered into a settlement and license agreement
pursuant to which all claims and counterclaims between the parties were
dismissed and the Company agreed to pay to Brooktree a license fee and royalties
over a five-year period.

International Operations

   
     Export sales accounted for 61%, 44%, 42% and 49% of the Company's net sales
in the years ended December 31, 1996, 1995, 1994 and 1993, respectively, and the
Company expects that export sales will continue to represent a significant
portion of net sales, although there can be no assurance that export sales, as a
percentage of net sales, will remain at current levels. In addition, a
substantial proportion of the Company's products are manufactured, assembled and
tested by independent third parties in Asia. Due to its export sales and
independent third party manufacturing, assembly and testing operations and its
joint venture foundry, and to the extent the Company qualifies an additional
foundry or foundries in Asia to manufacture its products, the Company is subject
to the risks of conducting business internationally, including unexpected
changes in, or impositions of, legislative or regulatory requirements,
fluctuations in the U.S. dollar, which could increase the sales price in local
currencies of the Company's products in foreign markets or increase the cost of
wafers purchased by the Company, delays resulting from difficulty in obtaining
export licenses for certain technology, tariffs and other barriers and
restrictions, potentially longer payment cycles, greater difficulty in accounts
receivable collection, potentially adverse taxes, and the burdens of complying
with a variety of foreign laws. In addition, the Company is subject to general
geopolitical risks, such as political and economic instability and changes in
diplomatic and trade relationships, in connection with its international
operations. Two of the Company's independent foundries, UMC and TSMC, and the
Company's joint venture foundry, USC, are located in Taiwan. The Company
currently expects these three foundries to supply the substantial portion of the
Company's products in 1997. The People's Republic of China and Taiwan have
recently experienced strained relations, and the worsening of relations or the
development of hostilities between the two parties could have a material adverse
effect on the Company. Although the Company has not to date experienced any
material adverse effect on its operations as a result of such regulatory,
geopolitical, economic and other factors, there can be no assurance that such
factors will not adversely impact the Company's operations in the future or
require the Company to modify its current business practices. In addition, the
laws of certain foreign countries may not protect the Company's intellectual
property rights to the same extent as do the laws of the United States.
    


                                        9


<PAGE>


Increased Leverage

     In connection with the sale of the Notes, the Company's ratio of its
long-term debt to its total capitalization increased from approximately 9.5% at
June 30, 1996 to approximately 32.8% at September 30, 1996. As a result of this
increased leverage, the Company's principal and interest obligations will
increase substantially. The degree to which the Company will be leveraged could
adversely affect the Company's ability to obtain additional financing for
working capital or other purposes and could make it more vulnerable to economic
downturns and competitive pressures. The Company's increased leverage could also
adversely affect its liquidity, as a substantial portion of available cash from
operations may have to be applied to meet debt service requirements and, in the
event of a cash shortfall, the Company could be forced to reduce other
expenditures to be able to meet such requirements.

Subordination

     The Notes are unsecured obligations of the Company subordinated to all
existing and future Senior Indebtedness of the Company. As of September 30,
1996, the principal amount of the Company's outstanding Senior Indebtedness was
approximately $42.9 million. The Indenture will not limit the amount of
indebtedness, including Senior Indebtedness, which the Company can incur or
guarantee. Upon any distribution of assets of the Company pursuant to any
insolvency, bankruptcy, dissolution, winding up, liquidation or reorganization,
the payment of the principal of and interest on the Notes will be subordinated
to the extent provided in the Indenture to the prior payment in full of all
Senior Indebtedness. In addition, the Company may not repurchase any Notes in
the event the Common Stock is no longer publicly traded or in certain
circumstances involving a Change of Control if at such time the subordination
provisions of the Indenture would prohibit the Company from making payments of
principal in respect of the Notes. The failure to so repurchase the Notes when
required would result in an Event of Default (as defined herein) under the
Indenture and may constitute a default under the terms of other indebtedness of
the Company. See "Description of Notes."

Absence of Public Market for the Notes

     Prior to date hereof, there has been no established trading market for the
Notes. The Notes have been designated for trading on the PORTAL Market; however,
Notes sold pursuant to this Prospectus are not expected to remain eligible for
trading on the PORTAL Market. The Company does not intend to list the Notes on
any national securities exchange or on The Nasdaq Stock Market. There can be no
assurance that an active trading market for the Notes will develop or, if one
does develop, that it will be maintained. If an active trading market for the
Notes fails to develop or be sustained, the trading price of such Notes could be
adversely affected and holders of the Notes may experience difficulty in
reselling the Notes or may be unable to sell them at all. If a public trading
market develops for the Notes, future trading prices of the Notes will depend
upon many factors, including, among other things, prevailing interest rates and
the market price of the shares of Common Stock.

Limitation on Repurchase of Notes

     In the event the Common Stock is no longer publicly traded or in certain
circumstances involving a Change of Control, each holder of Notes may require
the Company to repurchase all or a portion of such holder's Notes. In such
event, there can be no assurance that the Company would have sufficient
financial resources or would be able to arrange financing to pay the repurchase
price. (The Company may also elect to make such payment using shares of Common
Stock.) The Company's ability to repurchase the Notes in such event may be
limited by law, the Indenture and by the terms of other agreements relating to
borrowings that constitute Senior Indebtedness, as such indebtedness or
agreements may be entered into, replaced, supplemented or amended from time to
time. The Company may be required to refinance Senior Indebtedness in order to
make any such payment. The Company may not have the financial ability to
repurchase the Notes in the event payment of Senior Indebtedness is accelerated.
See "Description of Notes--Repurchase at Option of Holders."


                                       10


<PAGE>


Volatility of Stock Price

     The market price of the shares of Common Stock, like that of the common
stock of many other semiconductor companies, has been and is likely to be highly
volatile, and the market has from time to time experienced significant price and
volume fluctuations that are unrelated to the operating performance of
particular companies. The market price of the Common Stock could be subject to
significant fluctuations in response to quarter-to-quarter variations in the
Company's anticipated or actual operating results, announcements of new
products, technological innovations or setbacks by the Company or its
competitors, conditions in the semiconductor and PC industries, the commencement
of, developments in or outcome of litigation, changes in or the failure by the
Company to meet estimates of the Company's performance by securities analysts,
market conditions for high technology stocks in general, and other events or
factors.


                                 USE OF PROCEEDS

     The Company will not receive any proceeds from the sale by the Selling
Securityholders of the Notes or the Conversion Shares.


                       RATIO OF EARNINGS TO FIXED CHARGES

<TABLE>
     The following table sets forth the Company's consolidated ratio of earnings
to fixed charges for the periods shown.

   
                                                                       Year Ended December 31,
                                               -------------------------------------------------------------------
                                                    1992           1993            1994          1995       1996
                                               --------------  -------------  --------------  ----------  --------

<S>                                                <C>            <C>             <C>             <C>      <C>   
Ratio of earnings to 
fixed charges................................      19.45x         137.34x         165.95x         --       38.75x
</TABLE>
    

   
     For purposes of calculating the ratio of earnings to fixed charges, (i)
earnings consist of consolidated income (loss) before income taxes plus fixed
charges and (ii) fixed charges consist of interest expense incurred and the
portion of rental expense under operating leases deemed by the Company to be
representative of the interest factor. Earnings were inadequate to cover fixed
charges by $4.3 million in 1991. The Company had no fixed charges in 1995.
    


                             SELLING SECURITYHOLDERS

   
     The Notes were originally issued by the Company in a private placement and
were resold by the initial purchasers thereof to qualified institutional buyers
(within the meaning of Rule 144A under the Securities Act) or other
institutional accredited investors (as defined in Rule 501(a)(1), (2), (3) or
(7) under the Securities Act) in transactions exempt from registration under the
Securities Act, and in sales outside the United States to persons other than
U.S. persons in reliance upon Regulation S under the Securities Act. The Notes
and the Conversion Shares that may be offered pursuant to this Prospectus will
be offered by the Selling Securityholders. The following table sets forth
certain information as of January 21, 1997 concerning the principal amount of
Notes beneficially owned by each Selling Securityholder and the number of
Conversion Shares that may be offered from time to time pursuant to this
Prospectus.
    

     From time to time, Lehman Brothers Inc. or its affiliates have provided,
and may continue to provide, investment banking services to the Company, for
which they received or will receive customary fees. None of the other Selling
Securityholders has had any position, office or other material relationship with
the Company or its affiliates within the past three years.

                                       11

   
<TABLE>
                                                Principal Amount
                                                    of Notes                                Number of
                                                  Beneficially       Percentage of      Conversion Shares      Percentage of
                                                     Owned               Notes                That              Common Stock
                     Name                       That May be Sold      Outstanding        May be Sold (1)      Outstanding (2)
                     ----                       ----------------      -----------        ---------------      ---------------

<S>                                                 <C>                     <C>                  <C>                <C>
Allstate Insurance Company....................      $1,300,000              1.3                  67,637             *
Argent Classic Convertible Arbitrage
  Fund (Bermuda) L.P..........................       1,450,000              1.4                  75,442             *
Bond Fund Series - Oppenheimer Bond
  Fund for Growth.............................       4,000,000              3.9                 208,116             *
Boston College Endowment......................         185,000               *                    9,625             *
Castle Convertible Fund, Inc..................         500,000               *                   26,014             *
Christian Science Trustees for Gifts and
  Endowments..................................         170,000               *                    8,844             *
Colonial Penn Insurance Co....................         780,000               *                   40,582             *
Colonial Penn Life Insurance Co...............         780,000               *                   40,582             *
David Lipscomb University (4).................          60,000               *                    3,121             *
Declaration of Trust for the Defined
  Benefit Plans of ICI American
  Holdings Inc................................         200,000               *                   10,405             *
Declaration of Trust for the Defined
  Benefit Plans of Zeneca Holdings
  Inc.........................................         135,000               *                    7,023             *
Delaware State Employees' Retirement
  Fund........................................         665,000               *                   34,599             *
Employers' Reinsurance Corporation............         550,000               *                   28,616             *
Equitable Life Assurance - Separate
  Account Balanced (4)........................         110,000               *                    5,732             *
Equitable Life Assurance - Separate
  Account Convertibles (4)....................       1,655,000              1.6                  86,108             *
First Church of Christ, Scientist -
  Endowment...................................         190,000               *                    9,885             *
First Hawaiian Bank Custodian Hotel
  Industry ILWU Pension Plan..................          90,000               *                    4,682             *
First Hawaiian Bank Custodian Hotel
  Union Pension Trust Fund....................         255,000               *                   13,267             *
Gershon Partners, L.P.........................         135,000               *                    7,023             *
Glen Eagles Fund Ltd..........................         820,000               *                   42,663             *
Hartford Fire Insurance Company...............         395,000               *                   20,551             *
The HCA Foundation (4)........................         170,000               *                    8,884             *
Hillside Capital Incorporated Corporate
  Account.....................................         190,000               *                    9,885             *
Hospital Corp. of America Money
  Purchase Plan (4)...........................         485,000               *                   25,234             *
The Hotel Union - ILWU Pension
  Trust (4)...................................          75,000               *                    3,902             *
The Hotel Union & Industry of Hawaii (4)......         215,000               *                   11,186             *
Hudson River Trust Balanced
  Account (4).................................         650,000               *                   33,818             *
Hudson River Trust Growth &
  Income (4)..................................         395,000               *                   20,551             *


                                       12


<PAGE>


                                                Principal Amount
                                                    of Notes                                Number of
                                                  Beneficially       Percentage of      Conversion Shares      Percentage of
                                                     Owned               Notes                That              Common Stock
                     Name                       That May be Sold      Outstanding        May be Sold (1)      Outstanding (2)
                     ----                       ----------------      -----------        ---------------      ---------------

Hudson River Trust Growth
  Investors (4)...............................         520,000               *                   27,055             *
Lipper Convertibles, L.P. (3).................       5,000,000              4.8                 260,145             *
Mackay Shields Financial Corp. -
  Brown & Williamson Convertible..............         150,000               *                    7,804             *
Mackay Shields Financial Corp. -
  Mainstay Convertible Fund...................       7,650,000              7.4                 398,022             *
Mackay Shields Financial Corp. -
  Mainstay V.P. Convertible Fund..............         200,000               *                   10,405             *
Mackay Shields Financial Corp. - New
  York Life Separate Account #7...............         500,000               *                   26,014             *
Memphis Light, Gas & Water Retirement
  Fund (4)....................................         645,000               *                   33,558             *
Millennium Trading Co.........................       1,500,000              1.4                  78,043             *
Museum of Fine Arts, Boston...................          80,000               *                    4,162             *
New Hampshire State Retirement
  System......................................         490,000               *                   25,494             *
Pacific Mutual Life Insurance Co..............         500,000               *                   26,014             *
Palladin Partners, L.P........................         440,000               *                   22,892             *
Phoenix Convertible Fund......................       1,500,000              1.4                  78,043             *
Promutual.....................................         410,000               *                   21,331             *
Putnam Balanced Retirement Fund...............         200,000               *                   10,405             *
Putnam Convertible Income - Growth
  Trust.......................................       3,100,000              3.0                 161,290             *
Putnam Convertible Opportunities and
  Income Trust................................         365,000               *                   18,990             *
Ramius Fund Ltd...............................       1,045,000              1.0                  54,370             *
Shepherd Investments International, Ltd.......       1,625,000              1.6                  84,547             *
Stark International...........................       1,425,000              1.4                  74,141             *
Thermo Electron Balanced Investment
  Fund........................................         400,000               *                   20,811             *
Toronto Dominion (New York), Inc..............       5,855,000              5.7                 304,630             *
Any other holder of Notes or future
  transferee, pledgee, donee or successor of
  or from any such other
  holder (5)(6)...............................      53,295,000             51.5               2,772,892            5.4

- -------------

*        Less than 1%.

(1)    Assumes conversion of the full amount of Notes held by such holder at the
       initial conversion price of $19.22 per share; such conversion price is
       subject to adjustment as described under "Description of the
       Notes--Conversion." Accordingly, the number of shares of Common Stock
       issuable upon conversion of the Notes may increase or decrease from time
       to time. Under the terms of the Indenture, fractional shares will not be
       issued upon conversion of the Notes; cash will be paid in lieu of
       fractional shares, if any.

(2)    Computed in accordance with Rule 13d-3(d)(i) promulgated under the
       Exchange Act and based upon 48,361,041 shares of Common Stock outstanding
       as of January 21, 1997, treating as outstanding the number of Conversion
       Shares shown as being issuable upon the assumed conversion by the named
       holder of the full amount of such holder's Notes but not assuming the
       conversion of the Notes of any other holder.


                                       13


<PAGE>


(3)    Information as to the holdings of Lipper Convertibles, L.P. is based on
       information provided by such entity on January 28, 1997.

(4)    Information as to the holdings of this entity is based on information
       provided by such entity on February 6, 1997.

(5)    Information concerning other Selling Securityholders will be set forth in
       supplements to this Prospectus from time to time, if required.

(6)    Assumes that any other holders of Notes, or any future transferees,
       pledgees, donees or successors of or from any such other holders of
       Notes, do not beneficially own any Common Stock other than the Common
       Stock issuable upon conversion of the Notes at the initial conversion
       rate.
</TABLE>
    

   
     The preceding table has been prepared based upon the information furnished
to the Company by the Selling Securityholders named therein.
    

     The Selling Securityholders identified above may have sold, transferred or
otherwise disposed of, in transactions exempt from the registration requirements
of the Securities Act, all or a portion of their Notes since the date on which
the information in the preceding table is presented. Information concerning the
Selling Securityholders may change from time to time and any such changed
information will be set forth in supplements to this Prospectus if and when
necessary. Because the Selling Securityholders may offer all or some of the
Notes that they hold and/or Conversion Shares pursuant to the offering
contemplated by this Prospectus, no estimate can be given as to the amount of
the Notes or Conversion Shares that will be held by the Selling Securityholders
upon the termination of this offering. See "Plan of Distribution."


                            DESCRIPTION OF THE NOTES
   
     The Notes have been issued under an indenture, dated as of September 12,
1996, between the Company and State Street Bank and Trust Company of California,
N.A., as trustee (the "Indenture"). The following summaries of certain
provisions of the Notes and the Indenture do not purport to be complete and are
subject to, and are qualified in their entirety by reference to, all the
provisions of the Notes and the Indenture, including the definitions therein of
certain terms that are not otherwise defined in this Prospectus. Wherever
particular provisions or defined terms of the Indenture (or of the form of Note
that is a part thereof) are referred to, such provisions or defined terms are
incorporated herein by reference.
    

General

     The Notes are unsecured general obligations of the Company subordinate in
right of payment to certain other obligations of the Company as described under
"--Subordination," and convertible into Common Stock as described under
"--Conversion." The Notes are limited to $103,500,000 aggregate principal
amount, and will mature on October 1, 2003, unless earlier redeemed at the
option of the Company or repurchased by the Company at the option of the holder
upon the occurrence of a Designated Event (as defined).

     The Notes bear interest from the most recent date that interest has been
paid, or if no interest has been paid, from September 18, 1996, at 5 3/4% per
annum. Interest is payable semi-annually on April 1 and October 1, commencing on
April 1, 1997, to holders of record at the close of business on the preceding
March 15 and September 15, respectively. Interest may, at the Company's option,
be paid by check mailed to such holders, provided that a holder of Notes with an
aggregate principal amount in excess of $5,000,000 will be paid by wire transfer
in immediately available funds at the election of such holder. Interest will be
computed on the basis of a 360-day year comprised of twelve 30-day months.

   
     Principal will be payable, and the Notes may be presented for conversion,
registration of transfer and exchange, without service charge, at the office of
the Company maintained by the Company for such purposes in New York, New York,
which shall initially be the office or agency of State Street Bank and Trust 
Company of California, N.A. (the "Trustee") in New York, New York.
    

                                       14


<PAGE>


     The Indenture does not contain any financial covenants or any restrictions
on the payment of dividends, the repurchase of securities of the Company or the
incurrence of Senior Indebtedness or other indebtedness. The Indenture contains
no covenants or other provisions to afford protection to holders of Notes in the
event of a highly leveraged transaction or a change in control of the Company
except to the extent described under "--Repurchase at Option of Holders" below.

Conversion

     The holders of Notes are entitled at any time through the close of business
on the final maturity date of the Notes, subject to prior redemption or
repurchase, to convert any Notes or portions thereof (in denominations of $1,000
or multiples thereof) into Common Stock of the Company, initially at the
conversion price of $19.22 per share (equal to a conversion rate of 52.0291
shares per $1,000 principal amount of Notes), subject to adjustment as described
below. Except as described below, no adjustment will be made on conversion of
any Notes for interest accrued thereon or for dividends on any Common Stock
issued.

     If Notes are converted after a record date for the payment of interest and
prior to the next succeeding interest payment date, such Notes, other than Notes
called for redemption during such period, must be accompanied by funds equal to
the interest payable on such succeeding interest payment date on the principal
amount so converted. No such payment will be required if the Company exercises
its right to redeem such Notes on a redemption date that is an interest payment
date. The Company is not required to issue fractional shares of Common Stock
upon conversion of Notes and, in lieu thereof, will pay a cash adjustment based
upon the market price of the Common Stock on the last business day prior to the
date of conversion. In the case of Notes called for redemption, conversion
rights will expire at the close of business on the fifth business day preceding
the date fixed for redemption, unless the Company defaults in payment of the
redemption price.

     The right of conversion attaching to any Note may be exercised by the
holder by delivering the Note at the specified office of a conversion agent,
accompanied by a duly signed and completed notice of conversion, together with
any funds that may be required as described in the preceding paragraph. The
conversion date shall be the date on which the Note, the duly signed and
completed notice of conversion, and any funds that may be required as described
in the preceding paragraph shall have been so delivered. A holder delivering a
Note for conversion will not be required to pay any taxes or duties payable in
respect of the issue or delivery of Common Stock on conversion, but will be
required to pay any tax or duty which may be payable in respect of any transfer
involved in the issue or delivery of the Common Stock in a name other than the
holder of the Note. Certificates representing shares of Common Stock will not be
issued or delivered unless all taxes and duties, if any, payable by the holder
have been paid.

     The initial conversion price is subject to adjustment in certain events,
including: (i) the issuance of Common Stock as a dividend or distribution on
Common Stock of the Company; (ii) certain subdivisions and combinations of the
Common Stock; (iii) the issuance to all holders of Common Stock of certain
rights or warrants to purchase Common Stock at less than the current market
price of the Common Stock; (iv) the dividend or other distribution to all
holders of Common Stock of shares of capital stock of the Company (other than
Common Stock) or evidences of indebtedness of the Company or assets (including
securities, but excluding those rights, warrants, dividends and distributions
referred to above and dividends and distributions in connection with the
consolidation or merger of the Company or paid exclusively in cash); (v)
dividends or other distributions consisting exclusively of cash (excluding any
cash portion of distributions referred to in clause (iv)) to all holders of
Common Stock to the extent that such distributions, combined together with (A)
all other such all-cash distributions made within the preceding 12 months in
respect of which no adjustment has been made plus (B) any cash and the fair
market value of other consideration payable in respect of any tender offers by
the Company or any of its subsidiaries for Common Stock concluded within the
preceding 12 months in respect of which no adjustment has been made, exceeds 10%
of the Company's market capitalization (being the product of the then current
market price of the Common Stock times the number of shares of Common Stock then
outstanding) on the record date for such distribution; and (vi) the purchase of
Common Stock pursuant to a tender offer made by the Company or any of its
subsidiaries to the extent that the same involves an aggregate consideration
that, together with (X) any cash and the fair market value of any other
consideration payable in any other tender offer by the Company or any of its
subsidiaries for Common Stock expiring


                                       15


<PAGE>


within the 12 months preceding such tender offer in respect of which no
adjustment has been made plus (Y) the aggregate amount of any such all-cash
distributions referred to in clause (v) above to all holders of Common Stock
within the 12 months preceding the expiration of such tender offer in respect of
which no adjustments have been made, exceeds 10% of the Company's market
capitalization on the expiration of such tender offer. The Company is entitled,
in lieu of making certain adjustments under clause (v) above, to provide that,
subject to satisfying certain conditions, upon conversion of the Notes, the
holders of the Notes will receive, in addition to the Common Stock issuable upon
conversion of such Notes, the amount of such distribution referred to in clause
(v).

     The Indenture provides that if the Company implements a stockholders'
rights plan, such rights plan must provide that upon conversion of the Notes the
holders will receive, in addition to the Common Stock issuable upon such
conversion, such rights whether or not such rights have separated from the
Common Stock at the time of such conversion.

     No adjustment in the conversion price will be required unless such
adjustment would require a change of at least l% in the conversion price then in
effect; provided that any adjustment that would otherwise be required to be made
shall be carried forward and taken into account in any subsequent adjustment.
Except as stated above, the conversion price will not be adjusted for the
issuance of Common Stock or any securities convertible into or exchangeable for
Common Stock or carrying the right to purchase any of the foregoing.

     In the case of (i) any reclassification or change of the Common Stock
(other than changes resulting from a subdivision or combination) or (ii) a
consolidation, merger or combination involving the Company or a sale or
conveyance to another corporation of the property and assets of the Company as
an entirety or substantially as an entirety, in each case as a result of which
holders of Common Stock shall be entitled to receive stock, other securities,
other property or assets (including cash) with respect to or in exchange for
such Common Stock, the holders of the Notes then outstanding will be entitled
thereafter to convert such Notes into the kind and amount of shares of stock,
other securities or other property or assets which they would have owned or been
entitled to receive upon such reclassification, change, consolidation, merger,
combination, sale or conveyance had such Notes been converted into Common Stock
immediately prior to such reclassification, change, consolidation, merger,
combination, sale or conveyance (assuming, in a case in which the Company's
stockholders may exercise rights of election, that a holder of Notes would not
have exercised any rights of election as to the stock, other securities or other
property or assets receivable in connection therewith and received per share the
kind and amount received per share by a plurality of non-electing shares).

     In the event of a taxable distribution to holders of Common Stock (or other
transaction) which results in any adjustment of the conversion price, the
holders of Notes may, in certain circumstances, be deemed to have received a
distribution subject to United States income tax as a dividend; in certain other
circumstances, the absence of such an adjustment may result in a taxable
dividend to the holders of Common Stock. See "Certain Federal Income Tax
Considerations."

     The Company from time to time may, to the extent permitted by law, reduce
the conversion price of the Notes by any amount for any period of at least 20
days, in which case the Company shall give at least 15 days' notice of such
decrease, if the Board of Directors has made a determination that such decrease
would be in the best interests of the Company, which determination shall be
conclusive. See "Certain Federal Income Tax Considerations." The Company may, at
its option, make such reductions in the conversion price, in addition to those
set forth above, as the Board of Directors deems advisable to avoid or diminish
any income tax to holders of Common Stock resulting from any dividend or
distribution of stock (or rights to acquire stock) or from any event treated as
such for income tax purposes.

Optional Redemption by the Company

     The Notes are not redeemable at the option of the Company prior to October
8, 1999. At any time on or after that date the Notes may be redeemed at the
Company's option on at least 20 but not more than 60 days' notice, as a whole
or, from time to time in part, at the following prices (expressed in percentages
of the principal amount), together with accrued interest to, but excluding, the
date fixed for redemption; provided that if a redemption date


                                       16


<PAGE>


is an interest payment date, the semi-annual payment of interest becoming
due on such date shall be payable to the holder of record as of the relevant
record date.

     If redeemed during the 12-month period beginning October 1 (October 8 in
the case of 1999):

         Year                                         Redemption Price
         ----                                         ----------------

         1999........................................        102%
         2000........................................        101
         2001 and thereafter.........................        100

     If fewer than all the Notes are to be redeemed, the Trustee will select the
Notes to be redeemed in principal amounts of $1,000 or multiples thereof by lot
or, in its discretion, on a pro rata basis. If any Note is to be redeemed in
part only, a new Note or Notes in principal amount equal to the unredeemed
principal portion thereof will be issued. If a portion of a holder's Notes is
selected for partial redemption and such holder converts a portion of such
Notes, such converted portion shall be deemed to be taken from the portion
selected for redemption.

     No sinking fund is provided for the Notes.

Repurchase at Option of Holders

     The Indenture provides that if a Designated Event (as defined below)
occurs, each Holder of Notes shall have the right, at the Holder's option, to
require the Company to repurchase all of such Holder's Notes, or any portion
thereof that is an integral multiple of $1,000, on the date (the "Repurchase
Date") fixed by the Company that is not less than 30 days nor more than 45
calendar days after the date of the Company Notice (as defined below), for cash
at a price equal to 100% of the principal amount of such Notes to be repurchased
(the "Repurchase Price"), together with accrued interest, if any, to the
Repurchase Date.

     The Company may, at its option, in lieu of paying the Repurchase Price in
cash, pay the Repurchase Price in Common Stock valued at 95% of the average of
the closing prices of the Common Stock for the five consecutive trading days
ending on and including the third trading day preceding the Repurchase Date.
Such payment may not be made in Common Stock unless the Company satisfies
certain conditions with respect to such payment as provided in the Indenture.

     Within 15 calendar days after the occurrence of a Designated Event, the
Company is obligated to mail to all Holders of record of such Notes a notice
(the "Company Notice") of the occurrence of such Designated Event and of the
repurchase right arising as a result thereof. The Company must deliver a copy of
the Company Notice to the Trustee and cause a copy or a summary of such notice
to be published in a newspaper of general circulation in The City of New York.
To exercise the repurchase right, a Holder of such Notes must deliver on or
before the Repurchase Date irrevocable written notice to the Trustee of the
Holder's exercise of such right, together with the Notes with respect to which
the right is being exercised, duly endorsed for transfer to the Company.

     "Designated Event" means a Change of Control (as defined below) or a
Termination of Trading (as defined below).

     "Change of Control" means an event or series of events as a result of which
(i) any "person" or "group" (as such terms are used in Sections 13(d) and 14(d)
of the Exchange Act) is or becomes the "beneficial owner" (as defined in Rule
13d-3 and Rule 13d-5 under the Exchange Act) of shares representing more than
50% of the combined voting power of the then outstanding securities entitled to
vote generally in elections of directors of the Company ("Voting Stock"); (ii)
the Company consolidates with or merges into any other corporation, or conveys,
transfers or leases all or substantially all of its assets to any person, or any
other corporation merges into the Company, and in the case of any such
transaction, the outstanding common stock of the Company is changed or exchanged
into or for other assets or securities as a result, unless the stockholders of
the Company immediately before such transaction own, directly or indirectly
immediately following such transaction, at least a majority of the


                                       17


<PAGE>


combined voting power of the outstanding voting securities of the
corporation resulting from such transaction in substantially the same proportion
as their ownership of the Voting Stock immediately before such transaction; or
(iii) any time Continuing Directors (as defined below) do not constitute a
majority of the Board of Directors of the Company (or, if applicable, a
successor corporation to the Company); provided, however, that a Change of
Control shall not be deemed to have occurred if either (x) the closing price per
share of the Common Stock for any five trading days within the period of ten
consecutive trading days ending immediately before the Change of Control shall
equal or exceed 105% of the conversion price of the Notes in effect on each such
trading day, or (y) at least 90% of the consideration (excluding cash payments
for dissenting and fractional shares) in the transaction or transactions
constituting the Change of Control consists of shares of common stock or
securities convertible into common stock that are, or immediately upon issuance
will be, listed on a national securities exchange or The Nasdaq Stock Market and
as a result of the transaction or transactions such Notes become convertible
solely into such common stock.

     "Continuing Director" means at any date a member of the Company's Board of
Directors (i) who was a member of such board on September 12, 1996 or (ii) who
was nominated or elected by at least a majority of the directors who were
Continuing Directors at the time of such nomination or election or whose
election to the Company's Board of Directors was recommended or endorsed by at
least a majority of the directors who were Continuing Directors at the time of
such nomination or election. (Under this definition, if the current Board of
Directors of the Company were to approve a new director or directors and then
resign, no Change of Control would occur even though the current Board of
Directors would thereafter cease to be in office.)

     No quantitative or other established meaning has been given to the phrase
"all or substantially all" (which appears in the definition of Change of
Control) by courts which have interpreted this phrase in various contexts. In
interpreting this phrase, courts, among other things, make a subjective
determination as to the portion of assets conveyed, considering such factors as
the value of assets conveyed, the proportion of an entity's income derived from
the assets conveyed and the significance of those assets to the ongoing business
of the entity. To the extent the meaning of such phrase is uncertain,
uncertainty will exist as to whether or not a Change of Control may have
occurred (and, accordingly, as to whether or not the holders of Notes will have
the right to require the Company to repurchase their Notes).

     A "Termination of Trading" shall have occurred if the Common Stock (or
other common stock into which the Notes are then convertible) is neither listed
for trading on a United States national securities exchange nor approved for
trading on an established automated over-the-counter trading market in the
United States.

     The right to require the Company to repurchase Notes as a result of the
occurrence of a Designated Event could create an event of default under Senior
Indebtedness as a result of which any repurchase could, absent a waiver, be
blocked by the subordination provisions of the Notes. See "--Subordination."
Failure of the Company to repurchase the Notes when required could result in an
Event of Default with respect to the Notes whether or not such repurchase is
permitted by the subordination provisions. The Company's ability to pay cash to
the holders of Notes upon a repurchase may be limited by certain financial
covenants contained in the Company's revolving credit loan agreement.

     Certain leveraged transactions sponsored by the Company's management or an
affiliate of the Company could constitute a Change of Control that would give
rise to the repurchase right. The Indenture does not provide the Company's Board
of Directors with the right to limit or waive the repurchase right in the event
of any such leveraged transaction. Conversely, the Company could, in the future,
enter into certain transactions, including certain recapitalizations of the
Company, that would not constitute a Change of Control but that would increase
the amount of Senior Indebtedness (or other indebtedness) outstanding at such
time. There are no restrictions in the Indenture or the Notes on the creation of
additional Senior Indebtedness (or any other indebtedness) of the Company or any
of its subsidiaries and the incurrence of significant amounts of additional
indebtedness could have an adverse impact on the Company's ability to service
its debt, including the Notes. The Notes are subordinate in right of payment to
all existing and future Senior Indebtedness as described under "--Subordination"
below.

     The right to require the Company to repurchase Notes as a result of a
Designated Event could have the effect of delaying, deferring or preventing a
Change of Control or other attempts to acquire control of the Company unless


                                       18


<PAGE>


arrangements have been made to enable the Company to repurchase all of the
Notes at the repurchase date. Consequently, the right may render more difficult
or discourage a merger, consolidation or tender offer (even if such transaction
is supported by the Company's Board of Directors or is favorable to the
stockholders), the assumption of control by a holder of a large block of the
Company's shares and the removal of incumbent management.

     Rule 13e-4 under the Exchange Act requires, among other things, the
dissemination of certain information to security holders in the event of an
issuer tender offer and may apply in the event that the repurchase option
becomes available to holders of the Notes. The Company will comply with this
rule to the extent applicable at that time.

Subordination

     The payment of principal of and interest on the Notes (including, without
limitation, the payment of the redemption or repurchase price with respect to
the Notes) is, to the extent provided in the Indenture, subordinate to the prior
payment in full of all Senior Indebtedness (as defined).

     Upon any payment or distribution of assets of the Company to creditors
resulting from any liquidation, dissolution, winding-up, reorganization or any
insolvency proceedings of the Company, the holders of all Senior Indebtedness
will first be entitled to receive payment in full before the holders of the
Notes will be entitled to receive any payment upon the principal of or premium,
if any, or interest on the Notes (including, without limitation, the payment of
the redemption price or repurchase price with respect to the Notes).

     Upon the happening and during the continuance of an event of default in any
payment with respect to any Senior Indebtedness, no payment may be made by the
Company on or in respect of the Notes. Upon the happening and during the
continuance of a default on any Senior Indebtedness (other than a payment event
of default) that occurs and is continuing that permits the holders of such
Senior Indebtedness to accelerate its maturity, and following receipt by the
Company and the Trustee of the notice provided for by the Indenture, no payment
may be made on the Notes for a period of up to 179 days after receipt of such
notice, unless such default is cured or waived.

     By reason of the subordination, in the event of the Company's bankruptcy,
dissolution or reorganization, holders of Senior Indebtedness may receive more,
ratably, and holders of the Notes may receive less, ratably, than the other
creditors of the Company. Such subordination will not prevent the occurrence of
an Event of Default under the Indenture.

     Subject to the qualifications described below, the term "Senior
Indebtedness" means the principal of, premium, if any, interest on, and any
other payment due pursuant to, any of the following, whether outstanding on the
date of the Indenture or thereafter incurred or created: (a) all indebtedness of
the Company for money borrowed or evidenced by notes, debentures, bonds or other
securities (including, but not limited to, those which are convertible or
exchangeable for securities of the Company); (b) all indebtedness of the Company
due and owing with respect to letters of credit (including, but not limited to,
reimbursement obligations with respect thereto); (c) all indebtedness or other
obligations of the Company due and owing with respect to interest rate and
currency swap agreements, cap, floor and collar agreements, currency spot and
forward contracts and other similar agreements and arrangements; (d) all
indebtedness consisting of commitment or standby fees due and payable to lending
institutions with respect to credit facilities or letters of credit available to
the Company; (e) all obligations of the Company under leases required or
permitted to be capitalized under generally accepted accounting principles; (f)
all indebtedness or obligations of others of the kinds described in any of the
preceding clauses (a), (b), (c), (d) or (e) assumed by or guaranteed in any
manner by the Company or in effect guaranteed (directly or indirectly) by the
Company through an agreement to purchase, contingent or otherwise, and all
obligations of the Company under any such guarantee or other arrangements; and
(g) all renewals, extensions, refundings, deferrals, amendments or modifications
of indebtedness or obligations of the kinds described in any of the preceding
clauses (a), (b), (c), (d), (e) or (f); unless in the case of any particular
indebtedness, obligation, renewal, extension, refunding, amendment, modification
or supplement, the instrument or other document creating or evidencing the same
or the assumption or guarantee of the same expressly provides that such
indebtedness, renewal, extension, refunding, amendment, modification or
supplement is subordinate to, or is not superior to, or is pari passu with, the
Notes; provided that Senior Indebtedness


                                       19


<PAGE>


shall not include (i) any indebtedness of any kind of the Company to any
subsidiary of the Company, a majority of the voting stock of which is owned,
directly or indirectly, by the Company and (ii) indebtedness for trade payables
or constituting the deferred purchase price of assets or services incurred in
the ordinary course of business.

     In the event that notwithstanding any of the foregoing prohibitions, the
Trustee or the holders of the Notes receive any payment or distribution on
account of or in respect of the Notes, such payment or distribution will be paid
over and delivered to the holders of Senior Indebtedness or, in the case of a
bankruptcy, insolvency or similar proceeding of the Company, to the trustee,
receiver or other person making payment or distribution of the assets of the
Company. For purposes of the subordination provisions, the payment, issuance or
delivery of cash property or securities (other than stock and certain
subordinated securities of the Company) upon conversion of a Note will be
determined to constitute payment on account of the principal of such Note.

     As of September 30, 1996, the principal amount of the Company's outstanding
indebtedness that would have constituted Senior Indebtedness was approximately
$42.9 million. The Indenture does not limit the amount of additional
indebtedness, including Senior Indebtedness, which the Company can create,
incur, assume or guarantee, nor will the Indenture limit the amount of
indebtedness which any subsidiary of the Company can create, incur, assume or
guarantee.

Events of Default and Remedies

     An Event of Default is defined in the Indenture as the following: (i) a
default in payment of the principal of, or premium, if any, on the Notes whether
or not such payment is prohibited by the subordination provisions of the
Indenture; (ii) default for 30 days in payment of any installment of interest on
the Notes whether or not such payment is prohibited by the subordination
provisions of the Indenture; (iii) failure by the Company to comply with any of
its other agreements in the Notes or the Indenture upon the receipt by the
Company of notice of such default by the Trustee or by holders of not less than
25% in aggregate principal amount at maturity of the Notes then outstanding and
the Company's failure to cure such default within 60 days after receipt by the
Company of such notice; (iv) default in the payment of the repurchase price in
respect of any Note on the repurchase date therefor (whether or not such payment
is prohibited by the subordination provisions of the Indenture); (v) a default
under certain indebtedness for money borrowed by the Company, which default
shall constitute a failure to pay any portion of such indebtedness in an amount
exceeding $15,000,000 when due and payable after the expiration of any
applicable grace period with respect thereto or shall have resulted in such
indebtedness in an amount exceeding $15,000,000 becoming or being declared due
and payable prior to the date on which it would otherwise have become due and
payable, if such indebtedness is not discharged, or such acceleration is not
annulled, within 30 days after written notice as provided in the Indenture; or
(vi) certain events involving bankruptcy, insolvency or reorganization of the
Company or any Significant Subsidiary, as defined in the Indenture.

     The Indenture provides that the Trustee shall, within 90 days after the
occurrence of a default, give to the registered holders of the Notes notice of
all uncured defaults known to it, but the Trustee shall be protected in
withholding such notice if it in good faith determines that the withholding of
such notice is in the best interest to such registered holders, except in the
case of a default in the payment of the principal of, or premium, if any, or
interest on, any of the Notes when due or in the payment of any redemption or
repurchase obligation. The Indenture provides that if any Event of Default shall
have occurred and be continuing, the Trustee or the holders of not less than 25%
in principal amount of the Notes then outstanding may declare the principal of
and premium, if any, on the Notes to be due and payable immediately, but if the
Company shall cure all defaults (except the nonpayment of interest on, premium,
if any, and principal of any Notes which shall have become due by acceleration)
and certain other conditions are met, such declaration may be canceled and past
defaults may be waived by the holders of a majority in principal amount of Notes
then outstanding. If an Event of Default resulting from certain events of
bankruptcy, insolvency or reorganization were to occur, all unpaid principal of
and accrued interest on the outstanding Notes will become due and payable
immediately without any declaration or other act on the part of the Trustee or
any holders of Notes, subject to certain limitations.

     The Indenture provides that the holders of a majority in principal amount
of the outstanding Notes may direct the time, method and place of conducting any
proceeding for any remedy available to the Trustee or exercising any


                                       20


<PAGE>


trust or power conferred on the Trustee, subject to certain limitations
specified in the Indenture. Before proceeding to exercise any right or power
under the Indenture at the direction of such holders, the Trustee shall be
entitled to receive from such holders reasonable security or indemnity against
the costs, expenses and liabilities which might be incurred by it in complying
with any such direction. The right of a holder to institute a proceeding with
respect to the Indenture is subject to certain conditions precedent, including
the written notice by such holder of an Event of Default and an offer to
indemnify to the Trustee, along with the written request by the holders of not
less than 25% in principal amount of the outstanding Notes that such a
proceeding be instituted, but the holder has an absolute right to institute suit
for the enforcement of payment of the principal of, and premium, if any, and
interest on, such holder's Notes when due and to convert such Notes.

     The holders of not less than a majority in principal amount of the
outstanding Notes may on behalf of the holders of all Notes waive any past
defaults, except (i) a default in payment of the principal of, or premium, if
any, or interest on, any Note when due, (ii) a failure by the Company to convert
any Notes into Common Stock or (iii) in respect of certain provisions of the
Indenture which cannot be modified or amended without the consent of the holder
of each outstanding Note affected thereby.

     The Company is required to furnish to the Trustee annually a statement of
certain officers of the Company stating whether or not to the best of their
knowledge the Company is in default in the performance and observation of
certain terms of the Indenture and, if they have knowledge that the Company is
in default, specifying such default.

Consolidation or Merger

     The Company may, without the consent of holders of the Notes, consolidate
with, merge into, or convey or transfer all or substantially all of its assets
to any other corporation organized under the laws of the United States or any
political subdivision thereof or therein, provided that (i) the successor
corporation assumes all obligations of the Company under the Indenture and the
Notes, (ii) after giving effect to the transaction no Event of Default, and no
event which, after notice or lapse of time, would become an Event of Default,
shall have occurred and be continuing and (iii) certain other conditions are
met.

Modifications of the Indenture

     The Indenture contains provisions permitting the Company and the Trustee,
with the consent of the holders of not less than a majority in principal amount
of the Notes at the time outstanding, to modify the Indenture or any
supplemental indenture or the rights of the holders of the Notes, except that no
such modification shall (i) extend the fixed maturity of any Note, reduce the
rate or extend the time of payment of interest thereon, reduce the principal
amount thereof or premium, if any, thereon, reduce any amount payable upon
redemption or repurchase thereof, impair or change in any respect adverse to the
holders of Notes, the obligation of the Company to repurchase any Note upon the
happening of a Designated Event, impair or adversely affect the right of a
holder to institute suit for the payment thereof, change the currency in which
the Notes are payable, or impair or change the right to convert the Notes into
Common Stock subject to the terms set forth in the Indenture or modify the
provisions of the Indenture with respect to the subordination of the Notes in a
manner adverse to the holders of the Notes, without the consent of the holder of
each Note so affected, or (ii) reduce the aforesaid percentage of Notes the
holders of which are required to consent to any such supplemental indenture,
without the consent of the holders of all of the Notes then outstanding.

Concerning the Trustee

     State Street Bank and Trust Company of California, N.A., the Trustee under
the Indenture, has been appointed by the Company as the initial paying agent,
conversion agent, registrar and custodian with regard to the Notes. The Company
may maintain deposit accounts and conduct other banking transactions with the
Trustee or its affiliates in the ordinary course of business, and the Trustee
and its affiliates may from time to time in the future provide banking and other
services to the Company in the ordinary course of their business.


                                       21


<PAGE>


     During the existence of an Event of Default, the Trustee will exercise such
rights and powers vested in it under the Indenture and use the same degree and
care and skill in its exercise as a prudent person would exercise under the
circumstances in the conduct of such person's own affairs. The Indenture
contains limitations of the rights of the Trustee, should it become a creditor
of the Company, to obtain payment of claims in certain cases or to realize on
certain property received by it in respect of any such claim or otherwise.

Book-Entry

   
     The Notes have been issued in fully registered form, without coupons, in
denominations of $1,000 principal amount and multiples thereof. Except as
otherwise provided in the Indenture, Notes will be evidenced by one or more
global Notes ("Global Notes") deposited with the Trustee as custodian for 
The Depository Trust Company ("DTC") and registered in the name of Cede & Co. 
("Cede") as DTC's nominee. Record ownership of the Global Notes may be 
transferred, in whole or in part, only to another nominee of DTC or to a 
successor of DTC or its nominee.
    

     Owners of beneficial interests in the Notes may hold their interests in the
Global Notes directly through DTC if they are participants in DTC
("Participants"), indirectly through Participants, through the Euroclear System
("Euroclear") or Cedel Bank, societe anonyme ("Cedel"), if they are participants
in such systems, or indirectly through organizations that clear through or
maintain a custodial relationship with a Participant ("Indirect Participants").
Euroclear and Cedel will hold interests in the Global Notes on behalf of their
participants through customers' securities accounts in their respective names on
the books of their respective depositaries, which, in turn, will hold such
interests in the Global Notes in customers' securities accounts in the
depositaries' names on the books of DTC. All interests in Global Notes,
including those held through Euroclear or Cedel, may be subject to the
procedures and requirements of DTC. Those interests held through Euroclear and
Cedel may also be subject to the procedures and requirements of such systems.

     Payment of principal of and interest on the Global Notes will be made to
Cede, the nominee for DTC, as the registered owner of the Global Notes by wire
transfer of immediately available funds. Neither the Company, the Trustee nor
any paying agent will have any responsibility or liability for any aspect of the
records relating to or payments made on account of beneficial ownership
interests in the Global Notes or for maintaining, supervising or reviewing any
records relating to such beneficial ownership interests.

     The Company has been informed by DTC that, with respect to any payment of
principal of and interest on the Global Notes, DTC's practice is to credit
Participants' accounts on the payment date therefor with payments in amounts
proportionate to their respective beneficial interests in the Notes represented
by the Global Notes, as shown on the records of DTC, unless DTC has reason to
believe that it will not receive payment on such payment date. Payments by
Participants to owners of beneficial interests in Notes represented by the
Global Notes held through such Participants will be the responsibility of such
Participants, as is now the case with securities held for the accounts of
customers registered in "street name."

     Holders who desire to convert their Notes into Common Stock pursuant to the
terms of the Notes should contact their brokers or other Participants or
Indirect Participants to obtain information on procedures, including proper
forms and cut-off times, for submitting such requests.

     Because DTC can only act on behalf of Participants, who in turn act on
behalf of Indirect Participants and certain banks, the ability of a person
having a beneficial interest in Notes represented by the Global Notes to pledge
such interest to persons or entities that do not participate in the DTC system,
or otherwise take actions in respect of such interest, may be affected by the
lack of a physical certificate evidencing such interest.

     Neither the Company nor the Trustee (or any registrar, paying agent or
conversion agent under the Indenture) will have any responsibility for the
performance by DTC or its Participants or Indirect Participants of their
respective obligations under the rules and procedures governing their
operations. DTC has advised the Company that it will take any action permitted
to be taken by a holder of Notes (including, without limitation, the
presentation of Notes for exchange as described below) only at the direction of
one or more Participants to whose account with DTC


                                       22


<PAGE>


interests in the Global Notes are credited and only in respect of the
principal amount of the Notes represented by the Global Notes as to which such
Participant or Participants has or have given such direction.

     DTC has advised the Company as follows: DTC is a limited purpose trust
company organized under the laws of the State of New York, a member of the
Federal Reserve System, a "clearing corporation" within the meaning of the
Uniform Commercial Code and a "clearing agency" registered pursuant to the
provisions of Section 17A of the Exchange Act. DTC was created to hold
securities for its Participants and to facilitate the clearance and settlement
of securities transactions between Participants through electronic book-entry
changes to accounts of its Participants, thereby eliminating the need for
physical movement of certificates. Participants include securities brokers and
dealers, banks, trust companies, clearing corporations and certain other
organizations. Certain of such Participants (or their representatives), together
with other entities, own DTC. Indirect access to the DTC system is available to
others such as banks, brokers, dealers and trust companies that clear through,
or maintain a custodial relationship with a Participant, either directly or
indirectly.

     Although DTC, Euroclear and Cedel have agreed to the foregoing procedures
in order to facilitate transfers of interests in the Global Notes among
Participants of DTC, Euroclear and Cedel, they are under no obligation to
perform or continue to perform such procedures, and such procedures may be
discontinued at any time. If DTC is at any time unwilling or unable to continue
as depositary and a successor depositary is not appointed by the Company within
90 days, the Company will cause Notes to be issued in definitive form in
exchange for the Global Notes. None of the Company, the Trustee nor any of their
respective agents will have any responsibility for the performance by DTC,
Euroclear and Cedel, their Participants or Indirect Participants of their
respective obligations under the rules and procedures governing their
operations, including maintaining, supervising or reviewing the records relating
to, or payments made on account of, beneficial ownership interests in Global
Notes.


                              PLAN OF DISTRIBUTION

     Pursuant to a Registration Rights Agreement dated as of September 12, 1996
(the "Registration Rights Agreement") between the Company and the initial
purchasers named therein entered into in connection with the offering of the
Notes, the Registration Statement of which this Prospectus forms a part was
filed with the Commission covering the resale of the Notes and the Common Stock
issuable upon conversion of the Notes (the "Securities"). The Company has agreed
to use all reasonable efforts to keep the Registration Statement effective until
September 20, 1999 (or such earlier date when the holders of the Securities are
able to sell all such Securities immediately without restriction pursuant to
Rule 144(k) under the Securities Act or any successor rule thereto or
otherwise). The Company will be permitted to suspend the use of this Prospectus
(which is a part of the Registration Statement) in connection with sales of
Securities by holders during certain periods of time under certain circumstances
relating to pending corporate developments and public filings with the
Commission and similar events. The specific provisions relating to the
registration rights described above are contained in the Registration Rights
Agreement, and the foregoing summary is qualified in its entirety by reference
to the provisions of such agreement.

     Sales of the Notes and the Conversion Shares may be effected by or for the
account of the Selling Securityholders from time to time in transactions (which
may include block transactions in the case of the Conversion Shares) on any
exchange or market on which such securities are listed or quoted, as applicable,
in negotiated transactions, through a combination of such methods of sale, or
otherwise, at fixed prices that may be changed, at market prices prevailing at
the time of sale, at prices related to prevailing market prices, or at
negotiated prices. The Selling Securityholders may effect such transactions by
selling the Notes or Conversion Shares directly to purchasers, through
broker-dealers acting as agents for the Selling Securityholders, or to
broker-dealers who may purchase Notes or Conversion Shares as principals and
thereafter sell the Notes or Conversion Shares from time to time in transactions
(which may include block transactions in the case of the Conversion Shares) on
any exchange or market on which such securities are listed or quoted, as
applicable, in negotiated transactions, through a combination of such methods of
sale, or otherwise. In effecting sales, broker-dealers engaged by Selling
Securityholders may arrange for other broker-dealers to participate. Such
broker-dealers, if any, may receive compensation in the form of discounts,
concessions or commissions from the Selling Securityholders and/or the
purchasers of the Notes or


                                       23


<PAGE>


Conversion Shares for whom such broker-dealers may act as agents or to whom
they may sell as principals, or both (which compensation as to a particular
broker-dealer might be in excess of customary commissions).

     The Selling Securityholders and any broker-dealers, agents or underwriters
that participate with the Selling Securityholders in the distribution of the
Notes or Conversion Shares may be deemed to be "underwriters" within the meaning
of the Securities Act. Any commissions paid or any discounts or concessions
allowed to any such persons, and any profits received on the resale of the Notes
or Conversion Shares offered hereby and purchased by them may be deemed to be
underwriting commissions or discounts under the Securities Act.

     At the time a particular offering of the Notes and/or the Conversion Shares
is made and to the extent required, the aggregate principal amount of Notes and
number of Conversion Shares being offered, the name or names of the Selling
Securityholders, and the terms of the offering, including the name or names of
any underwriters, broker-dealers or agents, any discounts, concessions or
commissions and other terms constituting compensation from the Selling
Securityholders, and any discounts, concessions or commissions allowed or
reallowed or paid to broker-dealers, will be set forth in an accompanying
Prospectus Supplement.

     Pursuant to the Registration Rights Agreement, the Company has agreed to
pay all expenses incident to the offer and sale of the Notes and Conversion
Shares offered by the Selling Securityholders hereby, except that the Selling
Securityholders will pay all underwriting discounts and selling commissions, if
any. The Company has agreed to indemnify the Selling Securityholders against
certain liabilities, including liabilities under the Securities Act, and to
contribute to payments the Selling Securityholders may be required to make in
respect thereof.

     To comply with the securities laws of certain jurisdictions, if applicable,
the Notes and Conversion Shares offered hereby will be offered or sold in such
jurisdictions only through registered or licensed brokers or dealers.

     Under applicable rules and regulations under the Exchange Act, any person
engaged in a distribution of the Notes or the Conversion Shares may be limited
in its ability to engage in market activities with respect to such Notes or
Conversion Shares. In addition and without limiting the foregoing, each Selling
Securityholder will be subject to applicable provisions of the Exchange Act and
the rules and regulations thereunder, which provisions may limit the timing of
purchase and sales of any of the Notes and Conversion Shares by the Selling
Securityholders. The foregoing may affect the marketability of the Notes and the
Conversion Shares.

     From time to time, Lehman Brothers Inc. or its affiliates have provided,
and may continue to provide, investment banking services to the Company, for
which they received or will receive customary fees. See "Selling
Securityholders."


                                  LEGAL MATTERS

     Certain legal matters with respect to the validity of the securities
offered hereby will be passed upon for the Company by Pillsbury Madison & Sutro
LLP, Menlo Park and San Francisco, California. A member of Pillsbury Madison &
Sutro LLP holds an option to purchase 16,000 shares of Common Stock.


                                     EXPERTS

     The consolidated financial statements and related financial statement
schedules incorporated in this Prospectus by reference from the Company's Annual
Report on Form 10-K for the year ended December 31, 1995 have been audited by
Deloitte & Touche LLP, independent auditors, as stated in their reports, which
are incorporated herein by reference, and have been so incorporated in reliance
upon the reports of such firm given upon their authority as experts in
accounting and auditing.


                                       24


<PAGE>

========================================     ===================================
- ----------------------------------------     -----------------------------------

     No person  has been  authorized  to
give  any  information  or to  make  any
representations    other    than   those
contained  in this  Prospectus,  and, if
given  or  made,  such  information  and             S3 INCORPORATED
representations  must not be relied upon
as  having   been   authorized   by  the
Company.   This   Prospectus   does  not
constitute   an   offer  to  sell  or  a
solicitation  of any  offer  to buy  the              $103,500,000
securities described herein by anyone in     5 3/4% Convertible Subordinated
any  jurisdiction in which such offer or             Notes due 2003
solicitation  is not  authorized,  or in                   and
which  the  person  making  the offer or         Shares of Common Stock
solicitation  is not qualified to do so,     Issuable upon Conversion Thereof
or to any person to whom it is  unlawful
to  make  such  offer  or  solicitation.
Under   no   circumstances   shall   the
delivery of this  Prospectus or any sale
made pursuant to this Prospectus  create
any  implication  that  the  information
contained in this  Prospectus is correct
as of any time subsequent to the date of
this Prospectus.

                                                      ----------------
          -----------------                              PROSPECTUS
                                                      ----------------


          TABLE OF CONTENTS

   
                                    Page
                                    ----
Available Information................  2
Incorporation of
 Certain Documents by Reference......  2
The Company..........................  3
Risk Factors.........................  3
Use of Proceeds...................... 11
Ratio of Earnings to
 Fixed Charges....................... 11
Selling Securityholders.............. 11
Description of the Notes............. 14
Plan of Distribution................. 23
Legal Matters........................ 24
Experts.............................. 24              February  , 1997
    

- ----------------------------------------     -----------------------------------
========================================     ===================================


                                     PART II

                     INFORMATION NOT REQUIRED IN PROSPECTUS


Item 14.  Other Expenses of Issuance and Distribution

<TABLE>
     The following table sets forth the various expenses payable by the
Registrant in connection with the sale and distribution of the securities being
registered hereby. Normal commissionNexpensesEand brokerage fees are payable
individually by the Selling Stockholders. All amounts are estimated except the
Securities and Exchange Commission registration fee.

<CAPTION>
                                                                        Amount
                                                                        ------

   <S>                                                               <C>       
   SEC registration fee.....................................         $31,363.64
   Accounting fees and expenses.............................          10,000.00
   Legal fees and expenses..................................          20,000.00
   Miscellaneous fees and expenses..........................          8,636.36
                                                                     ----------
             Total..........................................         $70,000.00
                                                                     ==========
</TABLE>


Item 15.  Indemnification of Directors and Officers

     Section 145 of the Delaware General Corporation Law provides for the
indemnification of officers, directors, and other corporate agents in terms
sufficiently broad to indemnify such persons under certain circumstances for
liabilities (including reimbursement for expenses incurred) arising under the
Securities Act of 1933, as amended (the "Act"). Article VII of the Registrant's
Restated Certificate of Incorporation and Article V of the Registrant's Bylaws
provide for indemnification of the Registrant's directors, officers, employees
and other agents to the extent and under the circumstances permitted by the
Delaware General Corporation Law. The Registrant has also entered into
agreements with its directors and officers that will require the Registrant,
among other things, to indemnify them against certain liabilities that may arise
by reason of their status or service as directors or officers to the fullest
extent not prohibited by law.


Item 16.  Exhibits

 Exhibit
 Number          Description of Document
 -------         -----------------------

   
  *4.1           Indenture, dated as of September 12, 1996, between the Company
                 and State Street Bank and Trust Company of California, N.A., as
                 Trustee, including the form of Note (filed as Exhibit 4.1 to
                 the Company's Quarterly Report on Form 10-Q for the quarter
                 ended September 30, 1996 and incorporated herein by reference).

  *4.2           Registration Rights Agreement, dated as of September 12, 1996,
                 among the Company, Lehman Brothers Inc., PaineWebber
                 Incorporated and Cowen & Company, (filed as Exhibit 4.2 to the
                 Company's Quarterly Report on Form 10-Q for the quarter ended
                 September 30, 1996 and incorporated herein by reference).

   *5.1          Opinion of Pillsbury Madison & Sutro LLP.
    

   12.1          Statement re computation of ratios.

   
   *23.1         Consent of Pillsbury Madison & Sutro LLP (included in Exhibit
                 5.1).
    


                                      II-1


<PAGE>


   23.2          Consent of Deloitte & Touche LLP.

   
   *25.1         Statement of Eligibility and Qualification Under the Trust
                 Indenture Act of 1939 of a Corporation Designated to Act as
                 Trustee on Form T-1.
    

- ---------------------

   
*    Previously filed.
    

Item 17.  Undertakings

     Insofar as indemnification for liabilities arising under the Act may be
permitted to directors, officers and controlling persons of the Registrant
pursuant to the provisions described in Item 15 above, or otherwise, the
Registrant has been advised that in the opinion of the Securities and Exchange
Commission such indemnification is against public policy as expressed in the Act
and is, therefore, unenforceable. In the event that a claim for indemnification
against such liabilities (other than the payment by the Registrant of expenses
incurred or paid by a director, officer or controlling person of the Registrant
in the successful defense of any action, suit or proceeding) is asserted by such
director, officer or controlling person in connection with the securities being
registered, the Registrant will, unless in the opinion of its counsel the matter
has been settled by controlling precedent, submit to a court of appropriate
jurisdiction the question whether such indemnification by it is against public
policy as expressed in the Act and will be governed by the final adjudication of
such issue.

     The undersigned Registrant hereby undertakes:

          (1) To file, during any period in which offers or sales are being
     made, a post-effective amendment to this Registration Statement:

               (a) To include any prospectus required by Section 10(a)(3) of the
          Act;

               (b) To reflect in the prospectus any facts or events arising
          after the effective date of this Registration Statement (or the most
          recent post-effective amendment thereof) which, individually or in the
          aggregate, represent a fundamental change in the information set forth
          in this Registration Statement; and

               (c) To include any material information with respect to the plan
          of distribution not previously disclosed in this Registration
          Statement or any material change to such information in this
          Registration Statement.

          (2) That, for the purpose of determining any liability under the Act,
     each post-effective amendment that contains a form of prospectus shall be
     deemed to be a new registration statement relating to the securities
     offered therein, and the offering of such securities at that time shall be
     deemed to be the initial bona fide offering thereof.

          (3) To remove from registration by means of a post-offering amendment
     any of the securities being registered which remain unsold at the
     termination of the offering.

          (4) For purposes of determining any liability under the Act, each
     filing of the Registrant's annual report pursuant to Section 13(a) or
     Section 15(d) of the Securities Exchange Act of 1934 that is incorporated
     by reference in this Registration Statement shall be deemed to be a new
     registration statement relating to the securities offered therein, and the
     offering of such securities at that time shall be deemed to be the initial
     bona fide offering thereof.


                                      II-2


<PAGE>


                                   SIGNATURES

   
     Pursuant to the requirements of the Securities Act of 1933, the Registrant
has caused this Amendment to Registration Statement to be signed on its behalf
by the undersigned, thereunto duly authorized, in the City of Santa Clara, State
of California on February 6, 1997.
    

                                           S3 INCORPORATED



   
                                           By       /s/ GEORGE A. HERVEY
                                              ---------------------------------
                                                      George A. Hervey
    

       

   
     Pursuant to the requirements of the Securities Act of 1933, this Amendment
to Registration Statement has been signed by the following persons in the
capacities and on the dates indicated.
    


<TABLE>
             Name                                 Title                              Date
              ----                                 -----                              ----


<S>                                   <C>                                       <C>    
   
       GARY J. JOHNSON*               President and Chief Executive Officer     February 6, 1997
- ---------------------------------     (Principal Executive Officer) and 
        Gary J. Johnson               Director                          
                                 


     /s/ GEORGE A. HERVEY             Senior Vice President, Finance and        February 6, 1997
- ---------------------------------     Chief Financial Officer (Principal
       George A. Hervey               Financial and Accounting Officer) 


     DIOSDADO P. BANATAO*             Chairman of the Board                     February 6, 1997
- ---------------------------------
      Diosdado P. Banatao


        TERRY N. HOLDT*               Vice Chairman of the Board                February 6, 1997
- ---------------------------------
        Terry N. Holdt


        RONALD T. YARA*               Director                                  February 6, 1997
- ---------------------------------
        Ronald T. Yara


       JOHN C. COLLIGAN*              Director                                  February 6, 1997
- ---------------------------------
       John C. Colligan
    


                                      II-3

<PAGE>

              Name                                 Title                              Date
              ----                                 -----                              ----


   
        ROBERT P. LEE*                Director                                  February 6, 1997
- ---------------------------------
         Robert P. Lee


      CARMELO J. SANTORO*             Director                                  February 6, 1997
- ---------------------------------
      Carmelo J. Santoro


*By  /s/ GEORGE A. HERVEY
   ------------------------------
       George A. Hervey
       Attorney-in-Fact
</TABLE>
    


                                      II-4


                                                                    EXHIBIT 12.1


<TABLE>
               COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES


<CAPTION>
   
                                                                          Year Ended December 31,
                                                ---------------------------------------------------------------------
                                                     1992          1993           1994           1995         1996
                                                ------------  ------------   ------------   ------------   ----------
    

<S>                                             <C>           <C>            <C>            <C>            <C>      
   
Income (loss) before income taxes ...........   $     4,667   $    24,405    $     6,929    $    55,441    $  74,412
Fixed charges(1).............................           253           179             42             --        1,971
                                                ------------  ------------   ------------   ------------   ----------
   Total earnings and fixed charges..........         4,920        24,584          6,971         55,441       76,383

Fixed charges(1).............................           253           179             42             --        1,971

Ratio of earnings to fixed charges...........         19.45x       137.34x        165.98x            --        38.75x
                                                ============  ============   ============   ============   ==========
    

- ----------

   
(1)       Fixed charges consist of interest expense incurred and the portion of
          rental expense under operating leases deemed by the Company to be
          representative of the interest factor.
    
</TABLE>


                                      II-5



                                                                    EXHIBIT 23.2


                        CONSENT OF DELOITTE & TOUCHE LLP


   
We consent to the incorporation by reference in this Amendment No. 1 to
Registration Statement No. 333-17519 of S3 Incorporated on Form S-3 of our
reports dated January 17, 1996, appearing in the Annual Report on Form 10-K of
S3 Incorporated for the year ended December 31, 1995, and to the reference to us
under the heading "Experts" in the Prospectus, which is part of such
Registration Statement.
    


/s/ DELOITTE & TOUCHE LLP
DELOITTE & TOUCHE LLP

   
San Jose, California
February 7, 1997
    


                                      II-6



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