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COMPACT 286 VER. 3.0 Motherboard Settings and Configuration






ABC COMPUTER COMPANY, LTD.

COMPACT 286 VER. 3.0

Processor

80286

Processor Speed

20MHz

Chip Set

C & T

Max. Onboard DRAM

8MB

Cache

None

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

None

NPU Options

80287

CONNECTIONS

Purpose

Location

Purpose

Location

Turbo LED

E3

External battery

J17

Reset switch

E6

Speaker

J19

MIPS counter

E8

Power LED & keylock

J21

Speed LED

J15

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

NPU speed select fast

E1 & E2

pins 1 & 2 closed

 

NPU speed select slow

E1 & E2

pins 2 & 3 closed

BIOS type select 27128

E4

pins 1 & 2 closed

 

BIOS type select 27256

E4

pins 2 & 3 closed

CMOS memory normal operation

E5

pins 2 & 3 closed

 

CMOS memory clear

E5

pins 1 & 2 closed

Reset enabled through hardware and keyboard

E7

pins 2 & 3 closed

 

Reset enabled through hardware only

E7

pins 1 & 2 closed

Monitor type select monochrome

SW1

Open

 

Monitor type select color

SW1

Closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

512KB

(2) 256K x 9

NONE

NONE

NONE

640KB

(2) 256K x 9

(2) 64K x 9

NONE

NONE

1M x 9B

(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

1.64MB

(2) 256K x 9

(2) 64K x 9

(2) 256K x 9

(2) 256K x 9

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

4.64MB

(2) 256K x 9

(2) 64K x 9

(2) 1M x 9

(2) 1M x 9

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










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