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CUPID Tower ISA 486/25 and 486/33 (version 1) Model 202352-001

AST RESEARCH, INC.

CUPID Tower ISA 486/25 and 486/33 (version 1) Model 202352-001

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

355mm x 266mm

I/O Options

32-bit external CPU/Memory module slot, 32-bit external Memory module slot (2), floppy drive interface, IDE interface, parallel port, serial port (2)

NPU Options

4167 (on external CPU/Memory module)

CONNECTIONS

Purpose

Location

Purpose

Location

IDE interface

P1

Serial port 1 (COM1)

P11

Parallel port

P2

Serial port 2 (COM2)

P12

Third floppy drive interface

P3

IDE interface LED

P13

Floppy drive interface (A: and B:)

P4

32-bit external CPU/Memory module

S1

Front panel switches & LEDs

P5

32-bit external Memory module slots

S2 & S3

Speaker

P6

Optional ROM (even)

U4

External battery

P8

Optional ROM (odd)

U5

USER CONFIGURABLE SETTINGS

Function

Switch SW1

Position

Factory configured - do not alter

switch 1

open

Password check enabled

switch 2

closed

 

Password check disabled

switch 2

open

Factory configured - do not alter

switch 3

open

Keyboard select installed

switch 4

open

Keyboard select not installed

switch 4

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 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.