...because we can't all be on the bleeding edge...





ISA-486

ASUS COMPUTER INTERNATIONAL

ISA-486

Processor

80486SX/80487SX/80486DX

Processor Speed

16/20/25/33/50MHz

Chip Set

SIS

Max. Onboard DRAM

64MB

Cache

64/128/256KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

32-bit memory card

NPU Options

4167

CONNECTIONS

Purpose

Location

Purpose

Location

Reset switch

CN1

Keylock & power LED

CN5

Turbo switch

CN2

External battery

CN6

Turbo LED

CN3

32-bit memory expansion slot

S1

Speaker

CN4

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Power good signal detect from power supply

JP1

pins 1 & 2 closed

 

Power good signal detect from board

JP1

pins 2 & 3 closed

CPU TYPE

Type

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

80487SX

Off

On

On

On

Off

On

80486SX

Off

Off

Off

Off

On

On

80486DX

On

On

On

Off

Off

Off

CLOCK SPEED SELECT

Speed

JP2

JP3

16MHz

pins 2 & 3 closed

pins 2 & 3 closed

20MHz

pins 2 & 3 closed

pins 2 & 3 closed

25MHz

pins 2 & 3 closed

pins 1 & 2 closed

33MHz

pins 2 & 3 closed

pins 1 & 2 closed

50MHz

pins 1 & 2 closed

pins 1 & 2 closed

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

CACHE RESISTOR CONFIGURATION

Size

CJ1

CJ2

CJ3

64KB

Installed

Not installed

Not installed

128KB

Not installed

Installed

Not installed

256KB

Not installed

Not installed

Installed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

1MB

(4) 256K x 9

NONE

NONE

NONE

2MB

(4) 256K x 9

(4) 256K x 9

NONE

NONE

4MB

(4) 1M x 9

NONE

NONE

NONE

6MB

(4) 256K x 9

(4) 256K x 9

(4) 1M x 9

NONE

8MB

(4) 1M x 9

(4) 1M x 9

NONE

NONE

10MB

(4) 256K x 9

(4) 256K x 9

(4) 1M x 9

(4) 1M x 9

12MB

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

NONE

16MB

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

NONE

NONE

18MB

(4) 256K x 9

(4) 256K x 9

(4) 4M x 9

NONE

20MB

(4) 256K x 9

(4) 4M x 9

NONE

NONE

24MB

(4) 1M x 9

(4) 1M x 9

(4) 4M x 9

NONE

32MB

(4) 4M x 9

(4) 4M x 9

NONE

NONE

36MB

(4) 1M x 9

(4) 4M x 9

(4) 4M x 9

NONE

40MB

(4) 1M x 9

(4) 1M x 9

(4) 4M x 9

(4) 4M x 9

48MB

(4) 4M x 9

(4) 4M x 9

(4) 4M x 9

NONE

64MB

(4) 4M x 9

(4) 4M x 9

(4) 4M x 9

(4) 4M x 9