EVERSOURCE COMPUTERS, INC.

G2 80286

Processor

80286

Processor Speed

12/16MHz

Chip Set

Headland

Max. Onboard DRAM

4MB

Cache

None

BIOS

AMI/Award/Phoenix/Quadtel

Dimensions

220mm x 200mm

I/O Options

None

NPU Options

80287

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J1

Power LED & keylock

J8

Reset switch

J6

Speaker

J9

Turbo LED

J7

Turbo switch

J10

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Monitor type select color

J2

Closed

 

Monitor type select monochrome

J2

Open

 

BIOS type select 27256

J3

pins 1 & 2 closed

 

BIOS type select 27128

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

DRAM CONFIGURATION

Size

Bank 0(DIP)

P-0 (parity)

Bank 1 (DIP)

P-1 (parity)

Bank 2 (SIP)

Bank 3 (SIP)

512KB

(4) 44256

(2) 41256

NONE

NONE

NONE

NONE

512KB

NONE

NONE

NONE

NONE

(2) 256K x 9

NONE

640KB

(4) 44256

(2) 41256

(4) 4464

(2) 41256

NONE

NONE

640KB

NONE

NONE

(4) 4464

(2) 41256

(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