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CUPID Desktop EISA 486/25 & 486/33 (VER. 2)

AST RESEARCH, INC.

CUPID Desktop EISA 486/25 & 486/33 (VER. 2)

Model 202351-00X

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)

NPU Options

4167 (on external CPU/Memory module)

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port 1 (COM1)

CN1

Bus mouse port

J30

Parallel port

CN2

Front panel switches & LEDs

P11

EISA slave slot

ES

External battery

P14

Speaker

J12

Serial port 2 (COM2)

P18

Floppy drive interface (A: and B:)

J20

32-bit external CPU/Memory module

S1

Third floppy drive interface

J21

32-bit external Memory module slots

S2 & S3

IDE interface

J22

Optional ROM (even)

U32

IDE interface LED

J23

Optional ROM (odd)

U33

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Factory configured - do not alter

E1

open

Factory configured - do not alter

E2

closed

Factory configured - do not alter

E3

open

Password check enabled

E4

pins 2 & 3 closed

 

Password check disabled

E4

pins 1 & 2 closed

Factory configured - do not alter

E5

open

Factory configured - do not alter

E6

closed

Factory configured - do not alter

E7

pins 2 & 3 closed

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.