AST RESEARCH, INC.

CUPID Desktop ISA 386/33 (ver. 2)Models 202273-002, 202356-003 & 202356-004

Processor              80386DX (on external CPU/Memory module)
Processor Speed        33MHz
Chip Set               AST
Max. Onboard DRAM      None (16MB on external CPU/Memory module)
SRAM Cache             None (64KB on external CPU/Memory module)
BIOS                   AST
Dimensions             330mm x 218mm
I/O Options            32-bit external CPU/Memory module slot, 32-bit
                       external Memory module slot (2)

                       floppy drive interface, IDE interface, parallel
                       port, serial port (2), SMART expansion/16-bit ISA
                       expansion slots (3)
NPU Options            80387/3167 (on external CPU/Memory module)

[Image]

                                CONNECTIONS

  Purpose             Location     Purpose                     Location

  Serial port 1          CN1       External battery               P8
  (COM1)

  Parallel port          CN2       IDE interface                  P11

  IDE interface LED      J14       SMART expansion/16-bit     S1, S2 & S3
                                   ISA

  Serial port 2          P2        32-bit external                S4
  (COM2)                           CPU/Memory module

  Floppy drive           P3        32-bit external Memory         S5
  interface (A: and                module slot
  B:)

  Third floppy           P4        32-bit external Memory         S6
  drive interface                  module slot

  Front panel            P5        Optional ROM (even)            U12
  switches & LEDs

  Speaker                P6        Optional ROM (odd)             U38

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

  »   Password check enabled                   E1            pins 2 & 3
                                                              closed

      Password check disabled                  E1            pins 1 & 2
                                                              closed

  »   POST select normal operation             E2              open

      POST select continuous loop              E2             closed

  »   Keyboard select installed                E3              open

      Keyboard select not installed            E3             closed

[Image]

                        USER CONFIGURABLE SETTINGS

                Function                    Jumper           Position

  »   Parity check enabled                    E1              closed

      Parity check disabled                   E1               open

  Note:AST CPU/Memory module part number is 202374-002, 202374-003,
  202374-004.

                            DRAM CONFIGURATION

          Size                    Bank 0                   Bank 1

           2MB                  (2) 1M x 9                  NONE

           4MB                  (2) 1M x 9               (2) 1M x 9

           8MB                  (2) 4M x 9                  NONE

          10MB                  (2) 1M x 9               (2) 4M x 9

          16MB                  (2) 4M x 9               (2) 4M x 9

  Notes:64KB of SRAM Cache is on the CPU/Memory module. 128KB of DRAM is
  reserved for System

  and VGA BIOS shadowing and cannot be disabled. Up to two of the
  following memory boards

  may be installed in addition to the CPU/Memory module: AST part numbers
  202275-002,

  202275-004, 202275-006, 202387-001, or 202387-005.