COMPAQ COMPUTER CORPORATION

PRESARIO 600 SERIES (486 WITH 4MB)

Processor

80486SX/80487SX/ODP486SX/80486DX/80486DX2

Processor Speed

25/33/50(internal)/66(internal)MHz

Chip Set

Unidentified

Max. Onboard DRAM

56MB

Cache

None

BIOS

Unidentified

Dimensions

258mm x 218mm

I/O Options

Riser card slot, floppy drive interface, IDE interface, VGA port, serial ports (2), parallel port, PS/2 mouse port

NPU Options

80487

CONNECTIONS

Purpose

Location

Purpose

Location

IDE interface

J1

Serial port 1

P2

External

J5

Serial port 2

P3

PS/2 mouse port

J7

VGA port

P4

Floppy drive interface

J8

Riser card slot

SL1

Parallel port

P1

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Factory configured - do not alter

J2

N/A

»

I/O address type select 398h/399h

J13

pins 1 & 2 closed

 

I/O address type select 26Eh/26Fh

J13

pins 1 & 2 closed

»

PGA CPU enabled

P7

Open

 

PGA CPU disabled

P7

pins 2 & 3 closed

 

PQFP CPU enabled

P7

Open

»

CMOS memory normal operation

P14

pins 1 & 2 closed

 

CMOS memeory clear

P14

Open

DRAM CONFIGURATION

Size

Bank 0A

Bank 0

Bank 1

Bank 2

Bank 3

4MB

4MB

NONE

NONE

NONE

NONE

5MB

4MB

(1) 256K x 36

NONE

NONE

NONE

6MB

4MB

(1) 256K x 36

(1) 256K x 36

NONE

NONE

6MB

4MB

(1) 512K x 36

NONE

NONE

NONE

7MB

4MB

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

NONE

8MB

4MB

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

8MB

4MB

(1) 512K x 36

(1) 512K x 36

NONE

NONE

8MB

4MB

(1) 1M x 36

NONE

NONE

NONE

10MB

4MB

(1) 512K x 36

(1) 512K x 36

(1) 512K x 36

NONE

10MB

4MB

(1) 512K x 36

(1) 512K x 36

(1) 256K x 36

(1) 256K x 36

10MB

4MB

(1) 256K x 36

(1) 256K x 36

(1) 512K x 36

(1) 512K x 36

12MB

4MB

(1) 512K x 36

(1) 512K x 36

(1) 512K x 36

(1) 512K x 36

12MB

4MB

(1) 1M x 36

(1) 1M x 36

NONE

NONE

12MB

4MB

(1) 2M x 36

NONE

NONE

NONE

14MB

4MB

(1) 1M x 36

(1) 1M x 36

(1) 256K x 36

(1) 256K x 36

14MB

4MB

(1) 256K x 36

(1) 256K x 36

(1) 1M x 36

(1) 1M x 36

16MB

4MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

NONE

16MB

4MB

(1) 1M x 36

(1) 1M x 36

(1) 512K x 36

(1) 512K x 36

16MB

4MB

(1) 512K x 36

(1) 512K x 36

(1) 1M x 36

(1) 1M x 36

20MB

4MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

20MB

4MB

(1) 2M x 36

(1) 2M x 36

NONE

NONE

20MB

4MB

(1) 4M x 36

NONE

NONE

NONE

22MB

4MB

(1) 2M x 36

(1) 2M x 36

(1) 256K x 36

(1) 256K x 36

22MB

4MB

(1) 256K x 36

(1) 256K x 36

(1) 2M x 36

(1) 2M x 36

24MB

4MB

(1) 2M x 36

(1) 2M x 36

(1) 512K x 36

(1) 512K x 36

24MB

4MB

(1) 512K x 36

(1) 512K x 36

(1) 2M x 36

(1) 2M x 36

28MB

4MB

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

NONE

28MB

4MB

(1) 2M x 36

(1) 2M x 36

(1) 1M x 36

(1) 1M x 36

28MB

4MB

(1) 1M x 36

(1) 1M x 36

(1) 2M x 36

(1) 2M x 36

36MB

4MB

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

36MB

4MB

(1) 4M x 36

(1) 4M x 36

NONE

NONE

36MB

4MB

(1) 8M x 36

NONE

NONE

NONE

38MB

4MB

(1) 4M x 36

(1) 4M x 36

(1) 256K x 36

(1) 256K x 36

Note: Bank 0A is factory installed and not configurable.

DRAM CONFIGURATION (CON’T)

Size

Bank 0A

Bank 0

Bank 1

Bank 2

Bank 3

38MB

4MB

(1) 256K x 36

(1) 256K x 36

(1) 4M x 36

(1) 4M x 36

40MB

4MB

(1) 4M x 36

(1) 4M x 36

(1) 512K x 36

(1) 512K x 36

40MB

4MB

(1) 512K x 36

(1) 512K x 36

(1) 4M x 36

(1) 4M x 36

44MB

4MB

(1) 4M x 36

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

44MB

4MB

(1) 1M x 36

(1) 1M x 36

(1) 4M x 36

(1) 4M x 36

52MB

4MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

NONE

52MB

4MB

(1) 4M x 36

(1) 4M x 36

(1) 2M x 36

(1) 2M x 36

52MB

4MB

(1) 2M x 36

(1) 2M x 36

(1) 4M x 36

(1) 4M x 36

56MB

4MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

(1) 1M x 36

Note: Bank 0A is factory installed and not configurable.

CPU TYPE CONFIGURATION

Type

P9

P10

P11

80486SX (PGA)

pins 1 & 2 closed

pins 1 & 2 closed

pins 3 & 4 closed

80486SX (PQFP)

pins 2 & 3 closed

pins 1 & 2 closed

pins 3 & 4 closed

80487SX

pins 1 & 2 closed

pins 2 & 3 closed

pins 2 & 3 closed

80486DX

pins 1 & 2 closed

pins 2 & 3 closed

pins 1 & 2 closed

80486DX2

pins 1 & 2 closed

pins 2 & 3 closed

pins 1 & 2 closed

CPU SPEED CONFIGURATION

CPU speed

P8

25MHz

pins 2 & 3 closed

33MHz

pins 1 & 2 closed

50iMHz

pins 2 & 3 closed

66iMHz

pins 1 & 2 closed

ON-BOARD VIDEO CONFIGURATION

Setting

P5

P6

Disabled

Open

Open

Enabled

pins 1 & 2 closed

pins 1 & 2 closed