SILICON STAR INTERNATIONAL, INC.

CACHE 386/486 SYSTEM DOMINATOR AK3/4

Processor

AM386DX/80386DX/CX486DLC

Processor Speed

33/40MHz

Chip Set

UMC

Max. Onboard DRAM

32MB

Cache

32/128KB

BIOS

Award

Dimensions

170mm x 220mm

NPU Options

Intel 80387D/CX87DLC/IIT3C87-33-40

CONNECTIONS

Purpose

Location

Purpose

Location

Keyboard Connector

J1

Turbo switch

J5

External battery

J2

Turbo LED

J6

Power Input

J3

Speaker

J7

Reset switch

J4

Power LED & keylock

J8

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

NPU disabled

JP1

pins 1 & 2 closed

 

NPU enabled

JP1

pins 2 & 3 closed

»

CPU speed select 40 MHz

JP7

pins 1 & 2 closed

 

CPU speed select 33 MHz

JP7

pins 2 & 3 closed

»

Factory configured - do not alter

JP8

Open

»

Power good signal detect from board

JP9

pins 2 & 3 closed

 

Power good signal detect from power supply

JP9

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) 1M x 9

(4) 256K x 9

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

17MB

(4) 4M x 9

(4) 256K x 9

20MB

(4) 4M x 9

(4) 1M x 9

32MB

(4) 4M x 9

(4) 4M x 9

CACHE CONFIGURATION

Size

Max Cachable

Bank 0

TAG

32KB

8MB

(4) 8K x 8

8K x 8

128KB

16MB

(4) 32K x 8

8K x 8

CACHE JUMPER CONFIGURATION

Size

JP3

JP4

JP5

32KB

Open

Open

Open

128KB

Closed

Closed

Closed