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OPTI 386 DX

UNIDENTIFIED

OPTI 386 DX

Processor

80386DX/CX486DLC

Processor Speed

33/40MHz

Chip Set

Opti

Max. Onboard DRAM

32MB

Cache

64/128/256KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

None

NPU Options

80387DX/CX487DLC

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J1

Turbo LED

JP12

Power LED & keylock

J18

Reset switch

SW1

Speaker

J19

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

CMOS memory normal operation

JP3

pins 2 & 3 closed

 

CMOS memory clear

JP3

pins 1 & 2 closed

Factory configured-do not alter

JP4

N/A

Factory configured-do not alter

JP7

N/A

Factory configured do not alter

JP11

N/A

CPU TYPE SELECT

Type

JP5

JP13

CX486DLC

Closed

Closed

80386DX

Open

Open

CLOCK SPEED SELECT

Speed

JP1

JP2

33MHz

Closed

Closed

40MHz

Open

Open

CACHE JUMPER CONFIGURATION

Size

JP6

JP8

JP9

JP10

JP17

JP18

64KB

Open

Open

Open

Pins 2 & 3

Open

Open

128KB

Closed

Closed

Open

Pins 1 & 2

Open

Closed

256KB

Closed

Closed

Closed

Pins 2 & 3

Closed

Closed

Note:All pins designated should be in the closed position.

DRAM CONFIGURATION

Size

Bank 0

Bank 1

1MB

(4) 256K x 9

NONE

2MB

(4) 256K x 9

(4) 256K x 9

4MB

(4) 1M x 9

NONE

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

32MB

(4) 4M x 9

(4) 4M x 9