...because we can't all be on the bleeding edge...





HT 12 286

UNIDENTIFIED

HT 12 286

Processor

80286

Processor Speed

12/16MHz

Chip Set

Headland

Max. Onboard DRAM

4MB

Cache

None

BIOS

AMI

Dimensions

220mm x 220mm

I/O Options

None

NPU Options

80287

CONNECTIONS

Purpose

Location

Purpose

Location

Turbo switch

JP2

Speaker

JP5

Turbo LED

JP3

Power LED & keylock

JP6

Reset switch

JP4

External battery

JP10

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Factory configured - do not alter

JP1

N/A

BIOS type select 27512

JP7

pins 1 & 2 closed

 

BIOS type select 27256

JP7

pins 2 & 3 closed

NPU mode select synchronous with CPU

JP8

pins 2 & 3 closed

 

NPU mode select synchronous with oscillator installed at Y1

JP8

pins 1 & 2 closed

NPU speed select source/1

JP9

pins 1 & 2 closed

 

NPU speed select source/3

JP9

pins 2 & 3 closed

CPU speed select 16MHz

JP11

pins 2 & 3 closed

 

CPU speed select 12MHz

JP11

pins 1 & 2 closed

Monitor type select color

JP12

Closed

 

Monitor type select monochrome

JP12

Open

DRAM CONFIGURATION

Size

Bank 0

P-0

Bank 1

P-1

Bank 2

Bank 3

512KB

(4) 44256

(2) 41256

NONE

NONE

NONE

NONE

640KB

(4) 44256

(2) 41256

(4) 4464

(2) 41256

NONE

NONE

1MB

(4) 44256

(2) 41256

(4) 44256

(2) 41256

NONE

NONE

2MB

NONE

NONE

NONE

NONE

(2) 1M x 9

NONE

4MB

NONE

NONE

NONE

NONE

(2) 1M x 9

(2) 1M x 9