Processor

80286

Processor Speed

12/16MHz

Chip Set

Goldstar

Max. Onboard DRAM

5MB

SRAM Cache

None

BIOS

AMI

Dimensions

220mm x 230mm

I/O Options

None

NPU Options

80287

CONNECTIONS

Purpose

Location

Purpose

Location

Power LED & keylock

J4

Turbo LED

J8

External battery

JP5

Reset switch

J11

Turbo switch

J7

Speaker

J13

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Monitor type select color

JP3

closed

Monitor type select monochrome

JP3

open

»

CMOS memory normal operation

JP6

closed

CMOS memory clear

JP6

open

»

Factory configured - do not alter

JP14

unknown

Note: Location of JP3 is unverified.

BASE MEMORY SELECT

Banks

JP17,JP18,JP19,JP20,JP21 & JP22

Base memory : Banks 2 & 3

pins 1 & 2 closed

Base memory : Banks 0 & 1 (Expansion memory : Banks 2 & 3)

pins 2 & 3 closed

Note: Exact arrangement & size of DIPP sockets unverified.

DRAM CONFIGURATION

Size

DIP Bank 0

DIP Bank 1

SIMM Bank 2

SIMM Bank 3

512KB

(2) 41256

NONE

NONE

NONE

1MB

(2) 41256

(2) 41256

NONE

NONE

2MB

(2) 41256

(2) 41256

(2) 256K x 9

(2) 256K x 9

3MB

(2) 41256

(2) 41256

(2) 1M x 9

NONE

5MB

(2) 41256

(2) 41256

(2) 1M x 9

(2) 1M x 9

Note: This table for use when banks 0 & 1 are used for base memory and banks 2 & 3 are used for expansion memory.

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

512KB

NONE

NONE

(2) 256K x 9

NONE

1MB

NONE

NONE

(2) 256K x 9

(2) 256K x 9

2MB

NONE

NONE

(2) 1M x 9

NONE

2.5MB

NONE

NONE

(2) 256K x 9

(2) 1M x 9

4MB

NONE

NONE

(2) 1M x 9

(2) 1M x 9

Note: This table for use when banks 2 & 3 are used for base memory only.