PIONEER COMPUTER, INC.

VANTAGE-386SX

Processor

80386SX

Processor Speed

16/20MHz

Chip Set

Unidentified

Video Chip Set

None

Maximum Onboard Memory

8MB

Maximum Video Memory

None

Cache

None

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

None

NPU Options

80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

Reset switch

HD1

Turbo LED

J72 pins 2 & 3

External battery

J7

Power LED & keylock

JP61

Turbo switch

J71

Speaker

JP63

Note: On some versions, J72 is a 2 pin jumper.

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

NPU not installed

J18

Closed

 

NPU installed

J18

Open

»

IRQ5 enabled

J73

Pins 1 & 2 closed

 

IRQ5 disabled

J73

Pins 2 & 3 closed

»

Factory configured - do not alter

JP10

Closed

»

Factory configured - do not alter

JP62

Open

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

512KB

(2) 256K x 9

None

None

None

1MB

(2) 256K x 9

(2) 256K x 9

None

None

1.5MB

(2) 256K x 9

(2) 256K x 9

(2) 256K x 9

None

2MB

(2) 256K x 9

(2) 256K x 9

(2) 256K x 9

(2) 256K x 9

2MB

(2) 1M x 9

None

None

None

3MB

(2) 256K x 9

(2) 256K x 9

(2) 1M x 9

None

4MB

(2) 1M x 9

(2) 1M x 9

None

None

5MB

(2) 256K x 9

(2) 256K x 9

(2) 1M x 9

(2) 1M x 9

6MB

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

None

8MB

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

Note: The location of banks 0, 1, 2, & 3 are unidentified.