WELLS AMERICAN CORPORATION

COMPUSTAR II

Processor

80286

Processor Speed

20MHz

Chip Set

C & T

Max. Onboard DRAM

8MB

SRAM Cache

None

BIOS

Award/Wells American

Dimensions

330mm x 127mm

I/O Options

Processor Interface Slot

NPU Options

80287

CONNECTIONS

Purpose

Location

Processor Interface Slot

S1

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 x9

NONE

NONE

NONE

3MB

(2) 1M x 9

(2) 256K x9

(2) 256K x 9

NONE

4MB

(2) 1M x 9

(2) 1M x 9

NONE

NONE

5MB

(2) 1M x9

(2) 1M x9

(2) 256K x 9

(2) 256K 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

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

»

IRQ12 select I/O channel

W1

pins 2 & 3 closed

 

IRQ12 select mouse port

W1

pins 1 & 2 closed

»

Monitor type select color

W2

pins 2 & 3 closed

 

Monitor type select monochrome

W2

pins 1 & 2 closed