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486 EISA-AE4

SILICON STAR INTERNATIONAL, INC.

486 EISA-AE4

Processor

80486SX/80487SX/80486DX/80486DX2

Processor Speed

22/25/33/50(internal)/50/66(internal)MHz

Chip Set

SIS

Max. Onboard DRAM

128MB

Cache

64/128/256KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

None

NPU Options

4167

CONNECTIONS

Purpose

Location

Purpose

Location

Power LED

JP8

Reset switch

JP18

Turbo LED

JP16

Speaker

JP19

Turbo switch

JP17

Power LED & keylock

JP22

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Factory configured - do not alter

JP3

Open

Factory configured - do not alter

JP4

Open

Factory configured - do not alter

JP9

pins 1 & 2 closed

Factory configured - do not alter

JP10

pins 1 & 2 closed

Factory configured - do not alter

JP11

pins 1 & 2 closed

Factory configured - do not alter

JP21

pins 1 & 2 closed

Factory configured - do not alter

JP23

Closed

Monitor type select color

JP24

Open

 

Monitor type select monochrome

JP24

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

64MB

(4) 16M x 9

NONE

128MB

(4) 16M x 9

(4) 16M x 9

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG (U20 and U24)

64KB

(4) 8K x 8

(4) 8K x 8

(2) 16K x 4

128KB

(4) 32K x 8

NONE

(2) 16K x 4

256KB

(4) 32K x 8

(4) 32K x 8

(2) 16K x 4

CACHE JUMPER CONFIGURATION

Size

JP1

JP2

JP12

JP13

64KB

pins 2 & 3 closed

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

128KB

pins 1 & 2 closed

pins 2 & 3 closed

pins 1 & 2 closed

pins 2 & 3 closed

256KB

pins 4 & 5 closed

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

CPU TYPE CONFIGURATION

Type

JP5

JP7

JP15

80486SX

Open

pins 2 & 3 closed

Open

80487SX

pins 2 & 3 closed

pins 1 & 2 closed

Closed

80486DX

pins 1 & 2 closed

pins 1 & 2 closed

Closed

80486DX2

pins 1 & 2 closed

pins 1 & 2 closed

Closed