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AX4

SILICON STAR INTERNATIONAL, INC.

AX4

Processor

80486SX/80486DX/80486DX2

Processor Speed

20/25/33/50(internal)/50/66(internal)MHz

Chip Set

Unidentified

Max. Onboard DRAM

32MB

Cache

64/128/256KB

BIOS

AMI

Dimensions

254mm x 220mm

I/O Options

None

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J1

Turbo LED

J6

Power LED & keylock

J3

Turbo switch

J7

Speaker

J4

Reset switch

J8

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

CMOS memory normal operation

J1

pins 2 & 3 closed

 

CMOS memory clear

J1

pins 3 & 4 closed

 

Battery type select internal

J1

Open

 

Battery type select external

J1

Closed

Monitor type select monochrome

J2

Open

 

Monitor type select color

J2

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

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

32MB

(4) 4M x 9

(4) 4M x 9

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

64KB

(4) 8K x 8

(4) 8K x 8

(1) 8K x 8

128KB

(4) 32K x 8

NONE

(1) 8K x 8

256KB

(4) 32K x 8

(4) 32K x 8

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

J12

J13

J14

J16

J17

J18

64KB

Installed

Not installed

Not installed

Closed

Open

Open

128KB

Not installed

Installed

Not installed

Open

Closed

Open

256KB

Not installed

Not installed

Installed

Open

Open

Closed

CPU TYPE CONFIGURATION

Type

J11

J15

80486SX

Not installed

Closed

80486DX

Installed

Open

80486DX2

Installed

Open