UNIDENTIFIED

OPTI 386-25/386-33

Processor

80386DX (Exact location is unknown)

Processor Speed

25/33MHz

Chip Set

OPTi

Max. Onboard DRAM

8MB

Cache

None

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

32-bit external memory card

NPU Options

80387DX/3167

CONNECTIONS

Purpose

Location

Purpose

Location

Turbo LED

CR4

Power LED & keylock

J23

External battery

J10

Reset switch

SW1

Speaker

J22

Turbo switch

SW2

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Monitor type select color

JP1

Closed

 

Monitor type select monochrome

JP1

Open

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

(36) 41256

NONE

4MB

(4) 256K x 9

(4) 256K x 9

(36) 41256

(36) 41256

4MB

(4) 1M x 9

NONE

NONE

NONE

5MB

(4) 256K x 9

(4) 1M x 9

NONE

NONE

8MB

(4) 1M x 9

NONE

(36) 411000

NONE

8MB

(4) 1M x 9

(4) 1M x 9

NONE

NONE

16MB

(4) 1M x 9

(4) 1M x 9

(36) 411000

(36) 411000

Note:The locations of Bank 2 & Bank 3 can be found on the external memory card.