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





VL/ISA-486SV2 VERSION 1.7

ASUS COMPUTER INTERNATIONAL

VL/ISA-486SV2 VERSION 1.7

Processor

80486SX/80487SX/80486DX/ODP486SX/ 80486DX2

Processor Speed

20/25/33/40/50(internal)/50/66(internal)MHz

Chip Set

SIS

Max. Onboard DRAM

32MB

Cache

64/128/256KB

BIOS

AMI

Dimensions

246mm x 221mm

I/O Options

32-bit VESA local bus slots (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

BCON1

Speaker

CON4

Turbo switch

CON1

Power LED & keylock

CON5

Turbo LED

CON2

32-bit VESA local bus slot

S1

Reset switch

CON3

32-bit VESA local bus slot

S2

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

CMOS memory normal operation (Internal Battery)

BJP1

pins 1 & 2 closed

 

CMOS memory normal operation (External Battery)

BJP1

pins 2 & 3 closed

 

CMOS memory clear

BJP1

Open

Factory configured - do not alter

JP1

pins 2 & 3 closed

Monitor type select EGA, Mono, VGA, or any other

JP2

pins 1 & 2 closed

 

Monitor type select CGA

JP2

pins 2 & 3 closed

Factory configured - do not alter

TP2

Closed

Factory configured - do not alter

TP5

Open

Factory configured - do not alter

TP13

pins 1 & 2 closed

Factory configured - do not alter

TP14

pins 1 & 2 closed

Factory configured - do not alter

TP15

pins 1 & 2 closed

Factory configured - do not alter

TP16

pins 1 & 2 closed

Factory configured - do not alter

TP17

pins 2 & 3 closed

Factory configured - do not alter

TP25

pins 1 & 2 closed

Factory configured - do not alter

TP26

Open

Factory configured - do not alter

TP27

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

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

CJ1

CJ2

CJ3

64KB

pins 2 & 3 closed

pins 2 & 3 closed

Open

128KB

pins 1 & 2 closed

Open

Closed

256KB

pins 1 & 2 closed

pins 1 & 2 closed

Open

CPU TYPE CONFIGURATION

Type

Package

CPJ1

CPJ2

CPJ3

80486SX

PGA

Open

pins 2 & 3 closed

pins 2 & 3 closed

80486SX

PQFP

pins 1 & 2 closed

pins 1 & 2 and 3 & 4 closed

pins 1 & 2 closed

80487SX

PGA

pins 1 & 2 closed

pins 1 & 2 and 3 & 4 closed

pins 1 & 2 closed

80486DX

PGA

pins 2 & 3 closed

pins 1 & 2 and 3 & 4 closed

pins 2 & 3 closed

ODP486SX

PGA

pins 1 & 2 closed

pins 1 & 2 and 3 & 4 closed

pins 1 & 2 closed

80486DX2

PGA

pins 2 & 3 closed

pins 1 & 2 and 3 & 4 closed

pins 2 & 3 closed

CPU TYPE CONFIGURATION

Type

JP22

AMD

pins 2 & 3 closed

Intel

pins 2 & 3 closed

Cyrix

pins 1 & 2 closed

CPU SPEED CONFIGURATION

Speed

OSC1

CS1

CS2

CS3

20MHz

20MHz

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

25MHz

25MHz

pins 1 & 2 closed

pins 1 & 2 closed

pins 2 & 3 closed

33MHz

33MHz

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

40MHz

40MHz

pins 1 & 2 closed

pins 2 & 3 closed

pins 2 & 3 closed

50iMHz

25MHz

pins 1 & 2 closed

pins 1 & 2 closed

pins 2 & 3 closed

50MHz

50MHz

pins 2 & 3 closed

pins 1 & 2 closed

pins 1 & 2 closed

66iMHz

33MHz

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed