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





VL/ISA-486SV2 VERSION 2.5

ASUS COMPUTER INTERNATIONAL

VL/ISA-486SV2 VERSION 2.5

Processor

80486SX/80487SX/80486DX/ODP487SX/80486DX2

Processor Speed

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

Chip Set

SIS

Max. Onboard DRAM

32MB

SRAM Cache

64/128/256KB

BIOS

AMI

Dimensions

220mm x 240mm

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 card (2)

S1 & S2

Reset

CON3

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Battery select internal

BJP1

pins 1 & 2 closed

 

Battery select external

BJP1

pins 2 & 3 closed

Monitor type select monochrome

JP2

pins 1 & 2 closed

 

Monitor type select color

JP2

pins 2 & 3 closed

Factory configured - do not alter

TP2

closed

Factory configured - do not alter

TP5

open

Factory configured - do not alter

TP6

closed

Factory configured - do not alter

TP7

open

Factory configured - do not alter

TP13

pins 1 & 2 closed

Factory configured - do not alter

TP14

pins 2 & 3 closed

Factory configured - do not alter

TP15

pins 2 & 3 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) 4M x 9

(4) 1M x 9

32MB

(4) 4M x 9

(4) 4M x 9

SRAM CONFIGURATION

Size

Cache

Location

TAG

64KB

(8) 8K x 8

Banks 0 & 1

(1) 8K x 8

128KB

(4) 32K x 8

Bank 0

(1) 8K x 8

256KB

(8) 32K x 8

Banks 0 & 1

(1) 32K x 8

SRAM JUMPER CONFIGURATION

Size

Jumper CJ1

Jumper CJ2

Jumper CJ3

64KB

pins 1 & 2 closed

pins 1 & 2 closed

open

128KB

pins 2 & 3 closed

open

closed

256KB

pins 2 & 3 closed

pins 2 & 3 closed

open

CPU JUMPER CONFIGURATION

CPU

Jumper CPJ1

Jumper CPJ2

Jumper CPJ3

80486DX

pins 2 & 3 closed

pins 1 & 2 and 3 & 4 closed

pins 2 & 3 closed

80487SX

pins 1 & 2 closed

pins 1 & 2 and 3 & 4 closed

pins 1 & 2 closed

80486SX

open

pins 2 & 3 closed

pins 2 & 3 closed

CPU SPEED CONFIGURATION

Speed

Jumper CS1

Jumper CS2

Jumper CS3

Jumper JP1

25MHz

pins 1 & 2 closed

pins 1 & 2 closed

pins 2 & 3 closed

pins 1 & 2 closed

33MHz

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

pins 1 & 2 closed

40MHz

pins 1 & 2 closed

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

50MHz

pins 2 & 3 closed

pins 2 & 3 closed

pins 1 & 2 closed

pins 1 & 2 closed