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OPTI-386 Motherboard Settings and Configuration






UNIDENTIFED

OPTI-386

Processor

80386DX

Processor Speed

25/33MHz

Chip Set

OPTI

Max. Onboard DRAM

8MB

Cache

64KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

32-bit external memory card slot

NPU Options

80387/3167

CONNECTIONS

Purpose

Location

Purpose

Location

Power LED & keylock

J1

Turbo LED

J5

Speaker

J2

External battery

J6

Reset switch

J3

32-bit external memory card

S1

Turbo switch

J4

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

CPU speed select fast

J4

pins 1 & 2 closed

 

CPU speed select slow

J4

pins 1 & 2 open

Monitor type select color

JP13

Closed

 

Monitor type select monochrome

JP13

Open

Power good signal detect from power supply

JP14

pins 2 & 3 closed

 

Power good signal detect from board

JP14

pins 1 & 2 closed

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

5MB

(4) 256K x 9

(4) 1M x 9

8MB

(4) 1M x 9

(4) 1M x 9








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