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CUPID Desktop CLEM ISA 486/25 & 486/33 (VER. 1) Models 202360-001 & 202360-002

AST RESEARCH, INC.

CUPID Desktop CLEM ISA 486/25 & 486/33 (VER. 1) 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)

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 202361-002, 202361-005, or 202361-006 for 25MHz

systems or 202361-004 or 202361-007 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.