AST RESEARCH, INC.

CUPID Desktop CLEM ISA 386sx/16 (ver. 2)

Models 202360-001 & 202360-002

Processor

80386SX (on external CPU/Memory module)

Processor Speed

16MHz

Chip Set

AST

Max. Onboard DRAM

None (16MB on external CPU/Memory module)

SRAM Cache

None (16KB 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), bus mouse port, floppy drive interface, IDE interface, parallel port, serial port (2), SVGA port

NPU Options

80387SX (on external CPU/Memory module)

CONNECTIONS

Purpose

Location

Purpose

Location

SVGA port

CN1

Front panel switches & LEDs

P5

Bus mouse port

CN2

Speaker

P6

IDE interface LED

J14

External battery

P8

Serial port 1 (COM1)

J15

IDE interface

P11

Serial port 2 (COM2)

J16

32-bit external CPU/Memory module

S1

Parallel port

J17

32-bit external Memory module slots

S2 & S3

Floppy drive interface (A: and B:)

P3

Optional ROM (even)

U1

Third floppy drive interface

P4

Optional ROM (odd)

U2

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 VGA

switch 4

closed

»

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.

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Parity check enabled

E1

closed

 

Parity check disabled

E1

open

Note:AST CPU/Memory module part number is 202380-001.

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

1MB

(1) 1M x 9

NONE

NONE

NONE

2MB

(1) 1M x 9

(1) 1M x 9

NONE

NONE

3MB

(1) 1M x 9

(1) 1M x 9

(1) 1M x 9

NONE

4MB

(1) 1M x 9

(1) 1M x 9

(1) 1M x 9

(1) 1M x 9

4MB

(1) 4M x 9

NONE

NONE

NONE

5MB

(1) 1M x 9

(1) 4M x 9

NONE

NONE

6MB

(1) 1M x 9

(1) 1M x 9

(1) 4M x 9

NONE

7MB

(1) 1M x 9

(1) 1M x 9

(1) 1M x 9

(1) 4M x 9

8MB

(1) 4M x 9

(1) 4M x 9

NONE

NONE

9MB

(1) 1M x 9

(1) 4M x 9

(1) 4M x 9

NONE

10MB

(1) 1M x 9

(1) 1M x 9

(1) 4M x 9

(1) 4M x 9

12MB

(1) 4M x 9

(1) 4M x 9

(1) 4M x 9

NONE

13MB

(1) 1M x 9

(1) 4M x 9

(1) 4M x 9

(1) 4M x 9

16MB

(1) 4M x 9

(1) 4M x 9

(1) 4M x 9

(1) 4M x 9

Notes:16KB 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 202275-001,

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