HwMuseum | Index

UNIDENTIFIED

80386SX-C

Processor

80386SX

Processor Speed

16/20/25MHz

Chip Set

VLSI

Max. Onboard DRAM

16MB

SRAM Cache

None

BIOS

AMI

Dimensions

220mm x 180mm

I/O Options

None

NPU Options

80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

Speaker

J5

External battery

J8

Turbo switch

J6

Power LED & keylock

J10

Turbo LED

J7

Reset switch

J15

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Pipeline mode enabled

JP1

closed

 

Pipeline mode disabled

JP1

open

»

CMOS memory normal operation

JP6

pins 1 & 2 closed

 

CMOS memory clear

JP6

pins 3 & 4 closed

»

Battery select internal

JP7

closed

 

Battery select external

JP7

open

»

Monitor type select monochrome

JP11

open

 

Monitor type select color

JP11

closed

»

Parity check enabled

JP90

closed

 

Parity check disabled

JP90

open

»

Chipset type select 82C311

JP91

open

»

Chipset type select 82C310

JP91

open

»

Keyboard controller set on pin 23

SSI

pins 1 & 2 closed

 

Keyboard controller set on pin 27

SSI

pins 1 & 3 closed

 

Keyboard controller set on pin 30

SSI

pins 1 & 4 closed

 

Keyboard controller set on pin 32

SSI

pins 1 & 5 closed

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

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

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

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