UNIDENTIFIED

386/25

Processor

80386DX

Processor Speed

25MHz

Chip Set

OPTI

Max. Onboard DRAM

16MB

Cache

None

BIOS

AMI

Dimensions

331mm x 219mm

I/O Options

None

NPU Options

80387/3167

CONNECTIONS

Purpose

Location

Purpose

Location

Reset switch

J12

Speaker

J15

Turbo switch

J13

Power LED & keylock

J16

Turbo LED

J14

External battery

J1 pins 1 & 4

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Battery type select internal

J1

pins 2 & 3 closed

 

Battery type select external

J1

Closed

»

Monitor type select monochrome

J3

Open

 

Monitor type select color

J3

Closed

»

Factory configured - do not alter

J7

N/A

»

Factory configured - do not alter

J8

N/A

»

Factory configured - do not alter

J9

N/A

Note:Jumpers J7, J8, and J9 are used on a different revision of this board to configure cache.

They are not used on this board.

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

1MB

(4) 256K x 9

NONE

NONE

NONE

2MB

(4) 256K x 9

(4) 256K x 9

NONE

NONE

3MB

(4) 256K x 9

(4) 256K x 9

(4) 256K x 9

NONE

4MB

(4) 256K x 9

(4) 256K x 9

(4) 256K x 9

(4) 256K x 9

4MB

(4) 1M x 9

NONE

NONE

NONE

5MB

(4) 256K x 9

(4) 1M x 9

NONE

NONE

5MB

(4) 1M x 9

(4) 256K x 9

NONE

NONE

6MB

(4) 256K x 9

(4) 256K x 9

(4) 1M x 9

NONE

6MB

(4) 256K x 9

(4) 1M x 9

(4) 256K x 9

NONE

6MB

(4) 1M x 9

(4) 256K x 9

(4) 256K x 9

NONE

7MB

(4) 256K x 9

(4) 256K x 9

(4) 1M x 9

(4) 256K x 9

7MB

(4) 256K x 9

(4) 1M x 9

(4) 256K x 9

(4) 256K x 9

7MB

(4) 1M x 9

(4) 256K x 9

(4) 256K x 9

(4) 256K x 9

8MB

(4) 1M x 9

(4) 1M x 9

NONE

NONE

9MB

(4) 256K x 9

(4) 1M x 9

(4) 1M x 9

NONE

9MB

(4) 1M x 9

(4) 256K x 9

(4) 1M x 9

NONE

9MB

(4) 1M x 9

(4) 1M x 9

(4) 256K x 9

NONE

10MB

(4) 256K x 9

(4) 256K x 9

(4) 1M x 9

(4) 1M x 9

10MB

(4) 256K x 9

(4) 1M x 9

(4) 1M x 9

(4) 256K x 9

10MB

(4) 1M x 9

(4) 1M x 9

(4) 256K x 9

(4) 256K x 9

10MB

(4) 1M x 9

(4) 256K x 9

(4) 1M x 9

(4) 256K x 9

12MB

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

NONE

13MB

(4) 256K x 9

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

13MB

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

(4) 256K x 9

13MB

(4) 1M x 9

(4) 256K x 9

(4) 1M x 9

(4) 1M x 9

16MB

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9