AST RESEARCH, INC.

CUPID Desktop CLEM ISA 486/25 & 486/33 (VER. 2) Models 202360-001 &
202360-002

Processor               80486DX (on external CPU/Memory module)
Processor Speed         25/33MHz
Chip Set                AST
Max. Onboard DRAM       None (16MB on external CPU/Memory module)
SRAM Cache              None
BIOS                    AST
Dimensions              330mm x 218mm
I/O Options             32-bit external CPU/Memory module slot, 32-bit
                        external Memory module slot (2), bus mouse port,
                        floppy drive interface, IDE interface, parallel
                        port, serial port (2), SVGA port
NPU Options             4167 (on external CPU/Memory module)

[Image]

                                CONNECTIONS

  Purpose                Location     Purpose                  Location

  SVGA port                CN1        Front panel switches        P5
                                      & LEDs

  Bus mouse port           CN2        Speaker                     P6

  IDE interface LED        J14        External battery            P8

  Serial port 1            J15        IDE interface              P11
  (COM1)

  Serial port 2            J16        32-bit external             S1
  (COM2)                              CPU/Memory module

  Parallel port            J17        32-bit external          S2 & S3
                                      Memory module slots

  Floppy drive              P3        Optional ROM (even)         U1
  interface (A: and
  B:)

  Third floppy drive        P4        Optional ROM (odd)          U2
  interface

                        USER CONFIGURABLE SETTINGS

                 Function                   Switch SW1       Position

  »   Password check enabled                 switch 1          open

      Password check disabled                switch 1         closed

  »   Factory configured - do not alter      switch 2          open

  »   Factory configured - do not alter      switch 3          open

  »   Monitor type select analog VGA         switch 4          open

      Monitor type select multifrequency     switch 4         closed
      VGA

  »   VGA port enabled (see note)            switch 5         closed

      VGA port disabled                      switch 5          open

  Note:On model 202360-002 the on-board VGA port has been removed;
  SW1/switch 5 should be open.

[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 202397-001, 202397-002,
  202397-005, 202397-008,

  or 202397-009 for 25MHz systems or 202397-003, 202397-004, 202397-006,
  202397-007,

  202397-010, or 202397-011 for 33MHz systems.

                            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: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.