PIONEER COMPUTER, INC.

VANTAGE 486WB 25/33/50

Processor

80486DX

Processor Speed

25/33/50MHz

Chip Set

OPTI

Max. Onboard DRAM

32MB

Cache

64/256KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

None

NPU Options

4167

CONNECTIONS

Purpose

Location

Purpose

Location

Turbo LED

J1

Power LED & keylock

J4

Reset switch

J2

External battery

J5

Speaker

J3

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

CMOS memory normal operation

JP18

pins 1 & 2 closed

 

CMOS memory clear

JP18

pins 2 & 3 closed

»

Factory configured - do not alter

JP19

Open

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

5MB

(4) 256K x 9

(4) 1M x 9

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

TAG

64KB

(8) 8K x 8

(3) 16K x 4

256KB

(8) 32K x 8

(3) 16K x 4

CACHE JUMPER CONFIGURATION

Size

JP1

JP11

JP15

64KB

Open

pins 1 & 2 closed

pins 1 & 2 closed

256KB

Closed

pins 2 & 3 closed

pins 2 & 3 closed