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

AST RESEARCH, INC.

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.

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.