UNIDENTIFIED

80386SX-E

Processor

80386SX/CX486SLC

Processor Speed

16/20/25/33MHz

Chip Set

ALI

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

External keyboard

J1

Power LED & keylock

J10

External battery

J2 pins 1 & 4

Reset switch

J11

Turbo LED

J8

Speaker

J12

Turbo switch

J9

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Battery select internal

J2

pins 1 & 4 connected

 

Battery select external

J2

pins 2 & 3 closed

»

Monitor type select monochrome

J3

pins 1 & 2 closed

 

Monitor type select color

J3

pins 2 & 3 closed

»

NPU mode select synchronous with CPU

J5

pins 1 & 2 closed

 

NPU mode select asynchronous with CPU

J5

pins 2 & 3 closed

CPU SPEED JUMPER CONFIGURATION

Size

Jumper J4

Jumper J6

16MHz

pins 1 & 2 closed

pins 1 & 2 closed

20MHz

pins 1 & 2 closed

pins 2 & 3 closed

25MHz

pins 2 & 3 closed

pins 1 & 2 closed

33MHz

pins 2 & 3 closed

pins 2 & 3 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