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





A3860

ABC COMPUTER COMPANY, LTD.

A3860

Processor

80386DX

Processor Speed

25/33MHz

Chip Set

Intel/VLSI

Max. Onboard DRAM

40MB

Cache

None

BIOS

AMI

Dimensions

330.2mm x 218.4mm

I/O Options

None

NPU Options

80387/3167

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J6

Turbo LED

J5

Power LED & keylock

J2

Reset switch

J3

Speaker

J1

Turbo switch

J4

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

NPU type select 80387 or none

E2

pins 2 & 3 closed

 

NPU type select 3167

E2

pins 1 & 2 closed

NPU mode select synchronous with CPU

E3

Open

 

NPU mode select asynchronous with CPU

E3

Closed

Pipeline mode enabled

E4

Closed

 

Pipeline mode disabled

E4

Open

Reset enabled

E5

pins 2 & 3 closed

 

Reset enabled only when keyboard is locked

E5

pins 1 & 2 closed

CMOS memory normal operation

E6

Closed

 

CMOS memory clear

E6

Open

CMOS memory normal operation

E7

Open

 

CMOS memory clear

E7

Closed

BIOS type select 8-bit

E8

Closed

 

BIOS type select 16-bit

E8

Open

Factory configured - do not alter

E9

Open

Monitor type select color

E10

Closed

 

Monitor type select monochrome

E10

Open

DRAM CONFIGURATION

Size

Batch

Bank 0

Parity (P-0)

Bank 1

Parity (P-1)

Bank 2

Bank 3

1MB

1M

(8) 44256

(4) 41256

NONE

NONE

NONE

NONE

1MB

1MS

NONE

NONE

NONE

NONE

(4) 256K x 9

NONE

2MB

2M

(8) 44256

(4) 41256

(8) 44256

(4) 41256

NONE

NONE

2MB

2MS

NONE

NONE

NONE

NONE

(4) 256K x 9

(4) 256K x 9

3MB

3M

(8) 44256

(4) 41256

(8) 44256

(4) 41256

(4) 256K x 9

NONE

4MB

4MK

(8) 44256

(4) 41256

(8) 44256

(4) 41256

(4) 256K x 9

(4) 256K x 9

4MB

4MM

(8) 441000

(4) 411000

NONE

NONE

NONE

NONE

5MB

5M

(8) 44256

(4) 41256

(8) 441000

(4) 411000

NONE

NONE

6MB

6M

(8) 44256

(4) 41256

(8) 44256

(4) 41256

(4) 1M x 9

NONE

8MB

8M

(8) 441000

(4) 411000

(8) 441000

(4) 411000

NONE

NONE

8MB

8MS

NONE

NONE

NONE

NONE

(4) 1M x 9

(4) 1M x 9

9MB

9M

(8) 441000

(4) 411000

(8) 441000

(4) 411000

(4) 256K x 9

NONE

10MB

10M

(8) 44256

(4) 41256

(8) 44256

(4) 41256

(4) 1M x 9

(4) 1M x 9

12MB

12M

(8) 441000

(4) 411000

(8) 441000

(4) 411000

(4) 1M x 9

NONE

16MB

16M

(8) 441000

(4) 411000

(8) 441000

(4) 411000

(4) 1M x 9

(4) 1M x 9

16MB

16MS

NONE

NONE

NONE

NONE

(4) 4M x 9

NONE

18MB

18M

(8) 44256

(4) 41256

(8) 44256

(4) 41256

(4) 4M x 9

NONE

24MB

24M

(8) 441000

(4) 411000

(8) 441000

(4) 411000

(4) 4M x 9

NONE

32MB

32M

NONE

NONE

NONE

NONE

(4) 4M x 9

(4) 4M x 9

34MB

34M

(8) 44256

(4) 41256

(8) 44256

(4) 41256

(4) 4M x 9

(4) 4M x 9

40MB

40M

(8) 441000

(4) 411000

(8) 441000

(4) 411000

(4) 4M x 9

(4) 4M x 9

Note:After installing memory, run the applicable batch file on your setup disk.

This loads the appropriate values into the chipset.