<PAGE>
Rule 424(b)(3)
and Rule 424(c)
PROSPECTUS SUPPLEMENT Reg. No. 33-53429
dated October 3, 1994
(to Prospectus dated June 30, 1994)
CONTROL DATA SYSTEMS, INC.
Common Stock, $.01 par value
Set forth below for the indicated Pricing Period is certain information
regarding sales of Common Stock by the Participating Shareholders through
Kidder, Peabody as sales agent pursuant to the Sales Agency Agreement. All
capitalized terms are more fully defined in the Prospectus.
<TABLE>
<CAPTION>
For Pricing Period of September 19, 1994 through September 23, 1994*
- --------------------------------------------------------------------------------------------------------------
Average Market Price Shares Additional Shares
---------------------------------- -------------------------------------------------
Participating Number Net Compensation to Number Net Compensation to
SHAREHOLDER Sold Proceeds Kidder,Peabody Sold Proceeds Kidder, Peabody
- ------------ ------ -------- --------------- ------ -------- ---------------
<S> <C> <C> <C> <C> <C> <C>
David L. Anderson -0- $-0- $-0- -0- $-0- $-0-
Anvest, L.P. -0- $-0- $-0- -0- $-0- $-0-
G. Leonard Baker, Jr. -0- $-0- $-0- -0- $-0- $-0-
Tench Coxe -0- $-0- $-0- -0- $-0- $-0-
James C. Gaither -0- $-0- $-0- -0- $-0- $-0-
Ronald L. Perkins -0- $-0- $-0- -0- $-0- $-0-
Sutter Hill Ventures -0- $-0- $-0- -0- $-0- $-0-
L.P.
Saunder Holdings, L.P. -0- $-0- $-0- -0- $-0- $-0-
TOW Partners, L.P. -0- $-0- $-0- -0- $-0- $-0-
Wythes Living Trust -0- $-0- $-0- -0- $-0- $-0-
William H. Younger, Jr. -0- $-0- $-0- -0- $-0- $-0-
Austin Ventures, L.P. -0- $-0- $-0- -0- $-0- $-0-
Genstar Investment -0- $-0- $-0- -0- $-0- $-0-
Corporation
Nussbaum Trust -0- $-0- $-0- -0- $-0- $-0-
Kleiner Perkins 20,000 $131,218.75 $4,781.25 14,000 $94,750.00 $1,750.00
Caufield & Byers V
KPCB Zaibatsu Fund I -0- $-0- $-0- -0- $-0- $-0-
<FN>
* The Average Market Price for the Pricing Period was $6.90625 and the high
and low prices at which the Average Market Price Shares were sold during
the Pricing Period were $7.00 and $6.625, respectively.
</TABLE>
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<PAGE>
Set forth below is certain information regarding sales of Common Stock by
the Participating Shareholders through Kidder, Peabody as sales agent pursuant
to the Sales Agency Agreement, on a cumulative basis for the entire period from
June 30, 1994 through the end of the most recent Pricing Period.
<TABLE>
<CAPTION>
For all Pricing Periods since beginning of offering*
- -------------------------------------------------------------------------------------------------------------
Average Market Price Shares Additional Shares
---------------------------------- ------------------------------------------------
Participating Number Net Compensation to Number Net Compensation to
SHAREHOLDER Sold Proceeds Kidder,Peabody Sold Proceeds Kidder, Peabody
- ------------ ------ -------- --------------- ------ -------- ---------------
<S> <C> <C> <C> <C> <C> <C>
David L. Anderson -0- $-0- $-0- -0- $-0- $-0-
Anvest, L.P. -0- $-0- $-0- -0- $-0- $-0-
G. Leonard Baker, Jr. -0- $-0- $-0- -0- $-0- $-0-
Tench Coxe -0- $-0- $-0- -0- $-0- $-0-
James C. Gaither -0- $-0- $-0- -0- $-0- $-0-
Ronald L. Perkins -0- $-0- $-0- -0- $-0- $-0-
Sutter Hill Ventures -0- $-0- $-0- -0- $-0- $-0-
L.P.
Saunder Holdings, L.P. -0- $-0- $-0- -0- $-0- $-0-
TOW Partners, L.P. -0- $-0- $-0- -0- $-0- $-0-
Wythes Living Trust -0- $-0- $-0- -0- $-0- $-0-
William H. Younger, Jr. -0- $-0- $-0- -0- $-0- $-0-
Austin Ventures, L.P. -0- $-0- $-0- -0- $-0- $-0-
Genstar Investment -0- $-0- $-0- -0- $-0- $-0-
Corporation
Nussbaum Trust -0- $-0- $-0- -0- $-0- $-0-
Kleiner Perkins 55,498 $375,458.82 $14,094.03 35,000 $240,994.98 $4,375.00
Caufield & Byers V
KPCB Zaibatsu Fund I 4,502 $31,141.18 $1,118.47 -0- $-0- $-0-
<FN>
* For the three Pricing Periods completed through September 30, 1994, the Average Market Prices have ranged from a low of
$6.90625 to a high of $7.28125, and the actual sales prices of Average Market Price Shares have ranged from a low of $6.625 to
a high of $7.25.
</TABLE>
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