UNIDENTIFIED

INFO 286

Processor

80286

Processor Speed

6/8/10/12MHz

Chip Set

C & T

Max. onboard DRAM

512KB

Cache

None

BIOS

Unknown

Dimensions

330mm x 218mm

I/O Options

None

NPU Options

80287 (Exact location unknown)

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

BAT

Reset switch

JP1

Power LED & keylock

J21

Turbo Switch

JP3

Speaker

J22

Turbo LED

LED1

Note:The locations of jumpers J21 and J22 are unknown.

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

»

Factory configured - do not alter

GND

N/A

»

BIOS type select 27256

JP4

pins 1 & 2 closed

 

BIOS type select 27128

JP4

pins 2 & 3 closed

»

Factory configured - do not alter

SW1/switch 1

N/A

»

Monitor type select color

SW1/switch 2

On

 

Monitor type select monochrome

SW1/switch 2

Off

DRAM CONFIGURATION

Size

Bank 0

Bank 1

SW1/switch 3

SW1/switch 4

256KB

(9) 41256

NONE

On

On

512KB

(18) 41256

NONE

Off

On

640KB

(18) 41256

(4) 41256

On

Off

1024KB

(18) 41256

(18) 41256

Off

Off