SANTA CLARA SYSTEMS, INC.

AT TERMINAL

Processor              80286
Processor Speed        Unidentified
Chip Set               Unidentified
Video Chip Set         None
Maximum Onboard Memory 1MB
Maximum Video Memory   None
Cache                  None
BIOS                   Unidentified
Dimensions             355mm x 304mm
I/O Options            Network connectors (2)
NPU Options            80287

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  Network connector           CN1      Network connector           CN2

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

  »   Factory configured - do not          W1/3          Unidentified
      alter

  »   Factory configured - do not          W1/4          Unidentified
      alter

      Internal Network Data Bus             W12             Closed
      enabled

      Internal Network Data Bus             W12              Open
      disabled

  Note: The number of jumpers that comprise W12 are unidentified.

                   DRAM CONFIGURATION

       Size             Bank 0             Bank 1

     256KB(A)          (18) 4164         (18) 4164

     256KB(B)         (18) 41256            None

      640KB           (18) 41256         (18) 4164

       1MB            (18) 41256         (18) 41256

  Note: The location of banks 0 & 1 are unidentified.

     DRAM SWITCH CONFIGURATION

    Size       W1/1        W1/2

  256KB(A)      On          On

  256KB(B)      On         Off

   640KB        Off         On

    1MB         Off        Off

                           DMA CHANNEL SELECTION

         Channel                    W6                       W7

              0             Pins 1 & 2 closed        Pins 1 & 2 closed

  »           1             Pins 3 & 4 closed        Pins 3 & 4 closed

              2             Pins 5 & 6 closed        Pins 5 & 6 closed

              3             Pins 7 & 8 closed        Pins 7 & 8 closed

                          IRQ SELECTION (TXD/RXD)

                 IRQ                                  W8

  »                 2                          Pins 1 & 2 closed

                    3                          Pins 3 & 4 closed

                    4                          Pins 5 & 6 closed

                    5                          Pins 7 & 8 closed

                          IRQ SELECTION (TIMEOUT)

                 IRQ                                  W11

                    2                          Pins 1 & 2 closed

  »                 3                          Pins 3 & 4 closed

                    4                          Pins 5 & 6 closed

                    5                          Pins 7 & 8 closed

                          PORT ADDRESS SELECTION

         Setting                     W9                      W10

             2XXh            Pins 2 & 3 closed               N/A

  »          3XXh            Pins 1 & 2 closed               N/A

  »          X8Fh                   N/A               Pins 1 & 2 closed

             X9Fh                   N/A               Pins 2 & 3 closed

                             NETWORK ID SELECTION

  ID     U189/1  U189/2   U189/3   U189/4   U189/5   U189/6   U189/7   U189/8

  0011    Off     Off      Off      Off      Off      Off      Off      Off

  0012    Off     Off      Off      Off      Off      Off      Off      Off

  0013    Off     Off      Off      Off      Off      Off      Off      Off

  0014    Off     Off      Off      Off      Off      Off      Off      Off

  0015    Off     Off      Off      Off      Off      Off      Off      Off

  0016    Off     Off      Off      Off      Off      Off      Off      Off

  0017    Off     Off      Off      Off      Off      Off      Off      Off

  0018    Off     Off      Off      Off      Off      Off      Off      Off

                         NETWORK ID SELECTION (CON’T)

  ID     U192/1  U192/2   U192/3   U192/4   U192/5   U192/6   U192/7   U192/8

  0011    Off     Off      Off       On      Off      Off      Off      On

  0012    Off     Off      Off       On      Off      Off      On       Off

  0013    Off     Off      Off       On      Off      Off      On       On

  0014    Off     Off      Off       On      Off      On       Off      Off

  0015    Off     Off      Off       On      Off      On       Off      On

  0016    Off     Off      Off       On      Off      On       On       Off

  0017    Off     Off      Off       On      Off      On       On       On

  0018    Off     Off      Off       On       On      Off      Off      Off

               BIOS SELECTION

  Type     W2/1     W2/2    W2/3     W2/4

  27128     On       On      Off      Off

  27256    Off      Off      On       On

                      SERIAL PORT INTERRUPT SELECTION

      IRQ            W4/1           W4/2          W4/3           W4/4

  Serial port 1       On             On            Off           Off
      IRQ4

  Serial port 2       Off           Off            On             On
      IRQ3

                     PARALLEL PORT INTERRUPT SELECTION

        IRQ            W4/5          W4/6          W4/7          W4/8

  Parallel port 1       On            On            Off           Off
       IRQ7

  Parallel port 2       Off           Off           On            On
       IRQ5