UNIDENTIFIED

ELT-286B-160G

Processor

80286

Processor Speed

16MHz

Chip Set

G-2

Max. Onboard DRAM

8MB

Cache

None

BIOS

AMI/Phoenix

Dimensions

220mm x 220mm

I/O Options

None

NPU Options

80287

CONNECTIONS

Purpose

Location

Purpose

Location

Turbo LED

J5

External battery

J24

Power LED & keylock

J18

Turbo switch

J25

Speaker

J19

Reset switch

J30

Note:DRAM chip location and orientation on board is unidentified.

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

»

NPU mode select synchronous with CPU

JNP

pins 1 & 2 closed

 

NPU mode select asynchronous with CPU

JNP

pins 2 & 3 closed

»

Factory configured - do not alter

JP3

pins 1 & 2 closed

»

BIOS type select 27256

JP9

pins 2 & 3 closed

 

BIOS type select 27128

JP9

pins 1 & 2 closed

»

CPU speed select switchable from keyboard

J25

Open

 

CPU speed select fast

J25

Closed

»

Monitor type select color

SW1/1

On

 

Monitor type select monochrome

SW1/1

Off

»

Factory test disabled (AMI BIOS only)

SW1/2

Off

 

Factory test enabled (AMI BIOS only)

SW1/2

On

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

512KB 2

(16) 41256

NONE

NONE

NONE

512KB 1

NONE

NONE

(2) 256K x 9

NONE

1MB 2

(16) 41256

(16) 41256

NONE

NONE

1MB 1

NONE

NONE

(2) 256K x 9

(2) 256K x 9

1.5MB 2

(16) 41256

(16) 41256

(2) 256K x 9

NONE

2MB 2

(16) 41256

(16) 41256

(2) 256K x 9

(2) 256K x 9

2MB 2

(16) 411000

NONE

NONE

NONE

2MB 1

NONE

NONE

(1)1M x 9

NONE

4MB 2

(16) 411000

(16) 411000

NONE

NONE

4MB 1

NONE

NONE

(1)1M x 9

(1)1M x 9

5MB 2

(16) 41256

(16) 41256

(1)1M x 9

(1)1M x 9

5MB 2

(16) 411000

(16) 411000

(2) 256K x 9

(2) 256K x 9

6MB 2

(16) 411000

(16) 411000

(1)1M x 9

NONE

8MB 2

(16) 411000

(16) 411000

(1)1M x 9

(1)1M x 9

DRAM SWITCH CONFIGURATION

Size

SW1/3

SW1/4

SW1/5

SW1/6

512KB 2

Off

Off

Off

Off

512KB 1

Off

Off

Off

Off

1MB 2

On

Off

Off

Off

1MB 1

On

Off

Off

Off

1.5MB 2

Off

On

Off

Off

2MB 2

On

On

Off

Off

2MB 2

Off

Off

On

Off

2MB 1

Off

Off

On

Off

4MB 2

On

Off

On

Off

4MB 1

On

Off

On

Off

5MB 2

On

On

Off

Off

5MB 2

On

On

On

Off

6MB 2

Off

Off

On

Off

8MB 2

On

On

On

Off

DRAM SWITCH CONFIGURATION

Size

JP1

JP2

JP3

JP5

JP6

JP7

JP8

512KB 2

2 & 3

2 & 3

1 & 2

2 & 3

2 & 3

2 & 3

2 & 3

512KB 1

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1MB 2

2 & 3

2 & 3

1 & 2

2 & 3

2 & 3

2 & 3

2 & 3

1MB 1

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1.5MB 2

2 & 3

2 & 3

1 & 2

2 & 3

2 & 3

2 & 3

2 & 3

2MB 2

2 & 3

2 & 3

1 & 2

2 & 3

2 & 3

2 & 3

2 & 3

2MB 2

2 & 3

2 & 3

1 & 2

2 & 3

2 & 3

2 & 3

2 & 3

2MB 1

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

4MB 2

2 & 3

2 & 3

1 & 2

2 & 3

2 & 3

2 & 3

2 & 3

4MB 1

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

5MB 2

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

5MB 2

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

6MB 2

2 & 3

2 & 3

1 & 2

2 & 3

2 & 3

2 & 3

2 & 3

8MB 2

2 & 3

2 & 3

1 & 2

2 & 3

2 & 3

2 & 3

2 & 3