HwMuseum | Index

INTERCOMP, INC.

486ISA

Processor

80486SX/80487SX/80486DX

Processor Speed

20/25/33/50MHz

Chip Set

Intercomp

Max. Onboard DRAM

32MB

SRAM Cache

64/256KB

BIOS

AMI/MR

Dimensions

330mm x 218mm

I/O Options

None

NPU Options

4167

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J10

Reset switch

JP33

Turbo LED

JP12

Diagnostic LED

JP101

Speaker

JP24

Turbo switch

SW2

Power LED & keylock

JP25

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Monitor type select color (AMI BIOS)

JP1

Closed

 

Monitor type select monochrome (AMI BIOS)

JP1

Open

»

Password disabled (MR BIOS)

JP1

Open

 

Password enabled (MR BIOS)

JP1

Closed

»

CMOS memory normal operation

JP2

pins 1 & 2 closed

 

CMOS memory clear

JP2

pins 2 & 3 closed

»

Battery select internal

JP345

pins 2 & 3 closed

 

Battery select external

JP345

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

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

CACHE CONFIGURATION

Size

Bank 0

64KB

(8) 8K x 8

256KB

(8) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JP8

JP9

JP10

JP11

64KB

Open

Open

Open

Open

256KB

Closed

Closed

Open

Closed