AST RESEARCH, INC.

CUPID Tower EISA 386/33 (Model 202377-002)

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

355mm x 266mm

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

80387/3167 (on external CPU/Memory module)

CONNECTIONS

Purpose

Location

Purpose

Location

Bus mouse port

CN1

External battery

P14

Speaker

J12

Serial port 1 (COM1)

P17

Parallel port

J19

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)

U7

IDE interface LED

J23

Optional ROM (odd)

U8

Front panel switches & LEDs

P11

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Factory configured - do not alter

E1

open

»

Password check enabled

E2

pins 2 & 3 closed

 

Password check disabled

E2

pins 1 & 2 closed

»

Factory configured - do not alter

E3

open

»

Factory configured - do not alter

E4

closed

»

Factory configured - do not alter

E5

closed

»

Factory configured - do not alter

E6

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 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.