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OPTI-386WB Motherboard Settings and Configuration






DATAEXPERT CORPORATION

OPTI-386WB

Processor

80386DX

Processor Speed

33/40MHz

Chip Set

OPTI

Max. Onboard DRAM

32MB

Cache

32/64/128/256KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

None

NPU Options

80387/3167

CONNECTIONS

Purpose

Location

Purpose

Location

Power LED & keylock

J1

Turbo switch

J4

Speaker

J2

Reset switch

J5

Turbo LED

J3

External battery

JP10

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

NPU mode select synchronous with CPU

JP7

Open

 

NPU mode select asynchronous with CPU

JP7

Closed

»

Bus speed select ATCLK/6

JP8

Open

 

Bus speed select ATCLK/8

JP8

Closed

»

Monitor type select color

JP9

Closed

 

Monitor type select monochrome

JP9

Open

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

16MB

(4) 4M x 9

NONE

20MB

(4) 1M x 9

(4) 4M x 9

20MB

(4) 4M x 9

(4) 1M x 9

32MB

(4) 4M x 9

(4) 4M x 9

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

32KB

(4) 8K x 8

NONE

(3) 4K x 4

64KB

(4) 8K x 8

(4) 8K x 8

(3) 4K x 4

128KB

(4) 32K x 8

NONE

(3) 16K x 4

256KB

(4) 32K x 8

(4) 32K x 8

(3) 16K x 4

CACHE JUMPER CONFIGURATION

Size

JP1

JP2

JP3

JP4

JP5

JP6

32KB

2 & 3

2 & 3

1 & 2

1 & 2

1 & 2

Open

64KB

1 & 2

2 & 3

1 & 2

1 & 2

2 & 3

Open

128KB

1 & 2

2 & 3

1 & 2

2 & 3

2 & 3

Closed

256KB

1 & 2

1 & 2

2 & 3

2 & 3

2 & 3

Closed

Note:Pins designated should be in the closed position.








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