HwMuseum | Index

INTERCOMP, INC.

EISA 486

Processor

80486SX/80487SX/80486DX

Processor Speed

20/25/33/50MHz

Chip Set

OPTI

Max. Onboard DRAM

128MB

Cache

64/128/256/512KB

BIOS

AMI/MR/Award

Dimensions

330mm x 218mm

I/O Options

None

NPU Options

4167

CONNECTIONS

Purpose

Location

Purpose

Location

Power LED & keylock

J10

Reset switch

S59

Speaker

J29

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Monitor type select color

JP6

Closed

 

Monitor type select monochrome

JP6

Open

DRAM CONFIGURATION

Size

Bank 0

Bank 1

4MB

(4) 1M x 9

NONE

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

20MB

(4) 1M x 9

(4) 4M x 9

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

64KB

(4) 8K x 8

(4) 8K x 8

128KB

(4) 32K x 8

NONE

256KB

(4) 32K x 8

(4) 32K x 8

512KB

(4) 128K x 8

NONE

CACHE JUMPER CONFIGURATION

Size

JP1

JP2

JP3

JP12

JP13

JP14

JP15

64KB

Open

Open

Open

Open

Open

Open

pins 2 & 3 closed

128KB

Closed

Open

Open

Closed

Open

Open

pins 1 & 2 closed

256KB

Closed

Closed

Open

Closed

Open

Closed

pins 2 & 3 closed

512KB

Closed

Closed

Closed

Closed

Closed

Closed

pins 1 & 2 closed

CPU TYPE CONFIGURATION

Type

JP7

JP8

JP32

80486SX

pins 2 & 3 closed

Open

pins 2 & 3 closed

80487SX

pins 1 & 2, 3 & 4 closed

pins 1 & 2 closed

pins 2 & 3 closed

80486DX

pins 1 & 2, 3 & 4 closed

pins 2 & 3 closed

pins 1 & 2 closed