HwMuseum | Index

UNIDENTIFIED

LM403

Processor

80286

Processor Speed

16/20MHz

Chip Set

Acer

Max. Onboard DRAM

4MB

Cache

None

BIOS

AMI

Dimensions

240mm x 218mm

I/O Options

None

NPU Options

80287

CONNECTIONS

Purpose

Location

Purpose

Location

Power LED & keylock

J1

Reset switch

J4

Speaker

J2

Turbo switch

J5

Turbo LED

J3

External battery

JP5

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

I/O bus speed select ATCLK/4

JP2

Open

 

I/O bus speed select ATCLK/2

JP2

Closed

»

Parity disabled

JP3

Closed

 

Parity enabled

JP3

Open

»

Monitor type select monochrome

JP4

pins 1 & 2 closed

 

Monitor type select color

JP4

pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Parity 0

Bank 1

Parity 1

Bank 2

Bank 3

512KB

(4) 44256

(2) 41256

NONE

NONE

NONE

NONE

512KB

NONE

NONE

NONE

NONE

(2) 256K x 9

NONE

1MB

(4) 44256

(2) 41256

(4) 44256

(2) 41256

NONE

NONE

1MB

NONE

NONE

NONE

NONE

(2) 256K x 9

(2) 256K x 9

2MB

NONE

NONE

NONE

NONE

(2) 1M x 9

NONE

4MB

NONE

NONE

NONE

NONE

(2) 1M x 9

(2) 1M x 9