<PAGE>
Rule 424(b)(3)
and Rule 424(c)
PROSPECTUS SUPPLEMENT Reg. No. 33-53429
dated September 26, 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 $137,037.50 $5,462.50 21,000 $146,244.98 $2,625.00
Caufield & Byers V
KPCB Zaibatsu Fund I -0- $-0- $-0- -0- $-0- $-0-
<FN>
* The Average Market Price for the Pricing Period was $7.2125, and the
high and low prices at which the Average Market Price Shares were sold
during the Pricing Period were $7.25 and $7.00, respectively.
</TABLE>
Page 1 of 2
<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 35,948 $244,240.07 $9,312.78 21,000 $146,244.98 $2,625.00
Caufield & Byers V
KPCB Zaibatsu Fund I 4,502 $31,141.18 $1,118.47 -0- $-0- $-0-
<FN>
* For the two Pricing Periods completed through September 23, 1994, the
Average Market Prices have ranged from a low of $7.2125 to a high of $7.28125,
and the actual sales prices of Average Market Price Shares have ranged
from a low of $7.00 to a high of $7.25.
</TABLE>
Page 2 of 2
