COMPUTREND SYSTEMS, INC.

CONTAQ-386 (MS-3124)

Processor        AM386DX/C & T 386DX/80386DX/80486SX/80487SX/80486DX
Processor Speed  16/20/25/33/40/50MHz
Chip Set         Unidentified
Max. Onboard DRAM32MB
Cache            64/128/256KB
BIOS             Unidentified
Dimensions       280mm x 225mm
I/O Options      None
NPU Options      80387DX/3167

[Image]

                                CONNECTIONS

  Purpose              Location      Purpose                  Location

  Reset switch       J5 pins 1 & 2   Power LED & keylock    J5 pins 16 -
                                                                 20

  Turbo switch       J5 pins 4 - 6   External battery           JP2

  Turbo LED          J5 pins 8 & 9   Auxiliary keyboard         JP7
                                     connector

  Speaker             J5 pins 11 -
                          14

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

  »   Monitor type select color               JP1             Closed

      Monitor type select monochrome          JP1              Open

              DRAM CONFIGURATION

      Size          Bank 0          Bank 1

      1MB         (4) 256K x 9       NONE

      2MB         (4) 256K x 9   (4) 256K x 9

      4MB         (4) 1M x 9         NONE

      5MB         (4) 256K x 9    (4) 1M x 9

      8MB         (4) 1M x 9      (4) 1M x 9

      16MB        (4) 4M x 9         NONE

      17MB        (4) 4M x 9     (4) 256K x 9

      20MB        (4) 4M x 9      (4) 1M x 9

      32MB        (4) 4M x 9      (4) 4M x 9

                           CACHE CONFIGURATION

     Size          Bank 0         Bank 1          T 0            T 1

     64KB        (4) 8K x 8     (4) 8K x 8    (1) 8K x 8     (1) 16K x 4

     128KB      (4) 32K x 8        NONE       (1) 8K x 8     (1) 16K x 4

     256KB      (4) 32K x 8    (4) 32K x 8    (1) 32K x 8    (1) 16K x 4

  Note: 128KB is not available when the 80486 board is installed.

                    CACHE JUMPER CONFIGURATION

      Size             J4A              J4B              J4C

      64KB          Installed      Not installed    Not installed

      128KB       Not installed      Installed      Not installed

      256KB       Not installed    Not installed      Installed

                          CPU TYPE CONFIGURATION

  Type       J3A         J3B          J6A          J6B       JP5    JP8

  80386   Installed       Not      Installed        Not      2 &    Open
                      installed                 installed     3

  80486      Not      Installed        Not      Installed    1 &   Closed
          installed                installed                  2

  Note: Pins designated should be in the closed position. 80486 is
  located on external card.

                        CPU BUS CLOCK CONFIGURATION

     CPU            CLK            JP3           JP4             JP6

    80386         CLK2/10         Open           Open         pins 1 & 2
                                                               closed

    80386         CLK2/8         Closed          Open         pins 1 & 2
                                                               closed

    80386         CLK2/6          Open          Closed        pins 1 & 2
                                                               closed

    80386         CLK2/4         Closed         Closed        pins 1 & 2
                                                               closed

    80386         7.2MHz          Open           Open         pins 2 & 3
                                                               closed

    80486         CLK2/4         Closed          Open         pins 1 & 2
                                                               closed

    80486         CLK2/3          Open          Closed        pins 1 & 2
                                                               closed

    80486         CLK2/6         Closed         Closed        pins 1 & 2
                                                               closed

    80486         7.2MHz          Open           Open         pins 2 & 3
                                                               closed