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80386SX-16/20

UNIDENTIFIED

80386SX-16/20

Processor

80386SX

Processor Speed

16/20MHz

Chip Set

VLSI TOPCAT

Max. Onboard DRAM

32MB

Cache

None

BIOS

AMI/Award

Dimensions

333mm x 220mm

I/O Options

None

NPU Options

80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J1

Power LED & keylock

J5

Turbo LED

J2

Speaker

J6

Turbo switch

J3

Auxiliary keyboard

JP5

Reset switch

J4

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Monitor type select monochrome

JP1

pins 2 & 3 closed

 

Monitor type select color

JP1

pins 1 & 2 closed

Power good signal detect from board

JP2

pins 2 & 3 closed

 

Power good signal detect from power supply

JP2

pins 1 & 2 closed

Battery select external

JP4

pins 2 & 3 closed

 

Battery select internal

JP4

pins 1 & 2 closed

Factory configured - do not alter

JP11

Closed

Factory configured - do not alter

JP12

Open

Factory configured - do not alter

JP13

Closed

Factory configured - do not alter

JP14

Closed

Factory configured - do not alter

T2

N/A

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

512KB

(2) 256K x 9

NONE

NONE

NONE

1MB

(2) 256K x 9

(2) 256K x 9

NONE

NONE

1.5MB

(2) 256K x 9

(2) 256K x 9

(2) 256K x 9

NONE

2MB

(2) 256K x 9

(2) 256K x 9

(2) 256K x 9

(2) 256K x 9

2MB

(2) 1M x 9

NONE

NONE

NONE

2.5MB

(2) 256K x 9

(2) 1M x 9

NONE

NONE

3MB

(2) 256K x 9

(2) 256K x 9

(2) 1M x 9

NONE

4MB

(2) 1M x 9

(2) 1M x 9

NONE

NONE

4.5MB

(2) 1M x 9

(2) 1M x 9

(2) 256K x 9

NONE

5MB

(2) 256K x 9

(2) 256K x 9

(2) 1M x 9

(2) 1M x 9

6MB

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

NONE

8MB

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

8MB

(2) 4M x 9

NONE

NONE

NONE

9MB

(2) 256K x 9

(2) 256K x 9

(2) 4M x 9

NONE

10MB

(2) 1M x 9

(2) 4M x 9

NONE

NONE

12MB

(2) 1M x 9

(2) 1M x 9

(2) 4M x 9

NONE

16MB

(2) 4M x 9

(2) 4M x 9

NONE

NONE

17MB

(2) 256K x 9

(2) 256K x 9

(2) 4M x 9

(2) 4M x 9

18MB

(2) 4M x 9

(2) 4M x 9

(2) 1M x 9

NONE

20MB

(2) 1M x 9

(2) 1M x 9

(2) 4M x 9

(2) 4M x 9

24MB

(2) 4M x 9

(2) 4M x 9

(2) 4M x 9

NONE

32MB

(2) 4M x 9

(2) 4M x 9

(2) 4M x 9

(2) 4M x 9