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





486 ISA HP SX/DX

COMPUADD, INC.

486 ISA HP SX/DX

Processor

80486SX/80487SX/80486DX/80486DX2

Processor Speed

16/20/25/33/66(internal)MHz

Chip Set

OPTI

Max. Onboard DRAM

64MB

Cache

64/256KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

Floppy drive interface, IDE interface

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Floppy drive interface

J6

IDE interface LED

J25

IDE interface

J7

Reset switch

J26

External battery

J18

Power LED & keylock

J27

Chassis fan power

J24

Speaker

J28

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

CMOS memory normal operation

J5

Open

 

CMOS memory clear

J5

Closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

4MB

(4) 1MB x 9

NONE

NONE

NONE

8MB

(4) 1MB x 9

(4) 1MB x 9

NONE

NONE

12MB

(4) 1MB x 9

(4) 1MB x 9

(4) 1MB x 9

(4) 1MB x 9

20MB

(4) 1MB x 9

(4) 4MB x 9

NONE

NONE

20MB

(4) 4MB x 9

(4) 1MB x 9

NONE

NONE

24MB

(4) 1MB x 9

(4) 1MB x 9

(4) 4MB x 9

NONE

24MB

(4) 1MB x 9

(4) 4MB x 9

(4) 1MB x 9

NONE

24MB

(4) 4MB x 9

(4) 1MB x 9

(4) 1MB x 9

NONE

28MB

(4) 1MB x 9

(4) 1MB x 9

(4) 1MB x 9

(4) 4MB x 9

28MB

(4) 4MB x 9

(4) 1MB x 9

(4) 1MB x 9

(4) 1MB x 9

28MB

(4) 4MB x 9

(4) 1MB x 9

(4) 1MB x 9

(4) 1MB x 9

32MB

(4) 4MB x 9

(4) 4MB x 9

NONE

NONE

36MB

(4) 4MB x 9

(4) 1MB x 9

(4) 4MB x 9

NONE

36MB

(4) 1MB x 9

(4) 4MB x 9

(4) 4MB x 9

NONE

36MB

(4) 4MB x 9

(4) 4MB x 9

(4) 1MB x 9

NONE

40MB

(4) 1MB x 9

(4) 1MB x 9

(4) 4MB x 9

(4) 4MB x 9

40MB

(4) 1MB x 9

(4) 4MB x 9

(4) 4MB x 9

(4) 1MB x 9

40MB

(4) 4MB x 9

(4) 1MB x 9

(4) 4MB x 9

(4) 1MB x 9

40MB

(4) 4MB x 9

(4) 4MB x 9

(4) 1MB x 9

(4) 1MB x 9

48MB

(4) 4MB x 9

(4) 4MB x 9

(4) 4MB x 9

NONE

52MB

(4) 1MB x 9

(4) 4MB x 9

(4) 4MB x 9

(4) 4MB x 9

52MB

(4) 4MB x 9

(4) 1MB x 9

(4) 4MB x 9

(4) 4MB x 9

52MB

(4) 4MB x 9

(4) 4MB x 9

(4) 4MB x 9

(4) 1MB x 9

64MB

(4) 4MB x 9

(4) 4MB x 9

(4) 4MB x 9

(4) 4MB x 9

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

64KB

(4) 8K x 8

(4) 8K x 8

(1) 8K x 8

256KB

(4) 32K x 8

(4) 32K x 8

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

J19

J20

J21

J22

J23

0KB

Open

Open

Open

Closed

Closed

64KB

Open

Open

Open

Open

Open

256KB

Closed

Closed

Closed

Open

Open

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION

Type

J30

J31

J32

J33

80486SX

Open

Closed

Open

Open

80486DX

Closed

Open

Closed

Closed