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PREMIUM WORKSTATION (80386SX) Motherboard Settings and Configuration






AST RESEARCH, INC.

PREMIUM WORKSTATION (80386SX)

MODEL 202276-001

Processor

80386SX

Processor Speed

16MHz

Chip Set

AST

Max. Onboard DRAM

6MB

Cache

None

BIOS

AST

Dimensions

360mm x 218mm

I/O Options

Floppy drive interface, IDE interface, parallel port, serial port (2), tape drive interface, video controller module

NPU Options

80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

Parallel port

CN1

Floppy drive interface

J3

Serial port 2 (COM2)

CN2

Tape drive interface

J5

Serial port 1 (COM1)

CN3

External battery

J6

Video port

CN4

Riser card

S1

Front panel switches & LEDs

J1

Optional ROM (odd)

U82

IDE interface

J2

Optional ROM (even)

U99

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

Factory configured - do not alter

E1

open

Factory configured - do not alter

E2

open

Monitor type select color

SW1/switch 1

closed

 

Monitor type select monochrome

SW1/switch 1

open

Password check enabled

SW1/switch 2

open

 

Password clear

SW1/switch 2

closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

512KB

(2) 256K x 9

NONE

NONE

1MB

(2) 256K x 9

(2) 256K x 9

NONE

1.5MB

(2) 256K x 9

(2) 256K x 9

(2) 256K x 9

2MB

(2) 1M x 9

NONE

NONE

2.5MB

(2) 1M x 9

(2) 256K x 9

NONE

3MB

(2) 1M x 9

(2) 256K x 9

(2) 256K x 9

4MB

(2) 1M x 9

(2) 1M x 9

NONE

4.5MB

(2) 1M x 9

(2) 1M x 9

(2) 256K x 9

6MB

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9










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