DATAEXPERT CORPORATION

OPTI-80386-SX CACHE

Processor

80386SX

Processor Speed

25MHz

Chip Set

OPTI

Max. Onboard DRAM

16MB

Cache

16/32/64KB

BIOS

AMI

Dimensions

220mm x 220mm

I/O Options

None

NPU Options

80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

Power LED & keylock

J1

Turbo LED

J4

Speaker

J2

Reset switch

J5

Turbo switch

J3

External battery

J6

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Monitor type select color

JP7

Closed

 

Monitor type select monochrome

JP7

Open

»

NPU mode select asynchronous with CPU

JP1

Closed

 

NPU mode select synchronous with CPU

JP1

Open

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

1MB

(2) 256K x 9

(2) 256K x 9

NONE

NONE

2MB

(2) 256K x 9

(2) 256K x 9

(2) 256K x 9

(2) 256K x 9

2MB

(2) 1M x 9

NONE

NONE

NONE

3MB

(2) 256K x 9

(2) 256K x 9

(2) 1M x 9

NONE

4MB

(2) 1M x 9

(2) 1M x 9

NONE

NONE

5MB

(2) 256K x 9

(2) 256K x 9

(2) 1M x 9

(2) 1M x 9

6MB

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

NONE

8MB

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

9MB

(2) 256K x 9

(2) 256K x 9

(2) 4M x 9

NONE

10MB

(2) 1M x 9

(2) 4M x 9

NONE

NONE

12MB

(2) 1M x 9

(2) 1M x 9

(2) 4M x 9

NONE

16MB

(2) 4M x 9

(2) 4M x 9

NONE

NONE

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

16KB

(2) 8K x 8

NONE

(1) 8K x 8

32KB

(2) 8K x 8

(2) 8K x 8

(1) 8K x 8

64KB

(2) 32K x 8

NONE

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JP2

JP3

JP4

JP5

16KB

pins 1 & 2 closed

pins 1 & 2 closed

Open

Open

32KB

pins 1 & 2 closed

pins 2 & 3 closed

Closed

Open

64KB

pins 2 & 3 closed

pins 2 & 3 closed

Open

Closed