Compaq Presario 633

Presario633-1.jpg
Presario633-2.jpg
Presario633-3.jpg
Presario633-4.jpg

The Presario 633 is a desktop PC from Compaq and based on the Intel 80486 processor.

Gallery

Jumper Settings (LOCAL BUS-486-BASED MODELS)

Processor

80486SX/80487SX/ODP486DX/80486DX/ODP486DX2/80486DX2

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

None

 

CONNECTIONS

Purpose

Location

Purpose

Location

IDE interface

J1

Serial port 1

P2

External Battery

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

»

Speaker type select internal

J4

pins 3 & 4 closed

 

Speaker type select external

J4

Open

»

Monitor type select color

J12

Open

 

Monitor type select monochrome

J12

pins 1 & 2 closed

»

I/O address type select 398h/399h

J13

Open

 

I/O address type select 26Eh/26Fh

J13

pins 1 & 2 closed

»

Battery type select external

P14

pins 1 & 2 closed

 

Battery type select internal

P14

pins 2 & 3 closed

 

CMOS memory clear

P14

Open

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

4MB

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

4MB

(1) 512K x 36

(1) 512K x 36

NONE

NONE

4MB

(1) 1M x 36

NONE

NONE

NONE

6MB

(1) 512K x 36

(1) 512K x 36

(1) 512K x 36

NONE

6MB

(1) 512K x 36

(1) 512K x 36

(1) 256K x 36

(1) 256K x 36

6MB

(1) 256K x 36

(1) 256K x 36

(1) 512K x 36

(1) 512K x 36

8MB

(1) 512K x 36

(1) 512K x 36

(1) 512K x 36

(1) 512K x 36

8MB

(1) 1M x 36

(1) 1M x 36

NONE

NONE

8MB

(1) 2M x 36

NONE

NONE

NONE

10MB

(1) 1M x 36

(1) 1M x 36

(1) 256K x 36

(1) 256K x 36

10MB

(1) 256K x 36

(1) 256K x 36

(1) 1M x 36

(1) 1M x 36

12MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

NONE

12MB

(1) 1M x 36

(1) 1M x 36

(1) 512K x 36

(1) 512K x 36

12MB

(1) 512K x 36

(1) 512K x 36

(1) 1M x 36

(1) 1M x 36

16MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

16MB

(1) 2M x 36

(1) 2M x 36

NONE

NONE

16MB

(1) 4M x 36

NONE

NONE

NONE

18MB

(1) 2M x 36

(1) 2M x 36

(1) 256K x 36

(1) 256K x 36

18MB

(1) 256K x 36

(1) 256K x 36

(1) 2M x 36

(1) 2M x 36

20MB

(1) 2M x 36

(1) 2M x 36

(1) 512K x 36

(1) 512K x 36

20MB

(1) 512K x 36

(1) 512K x 36

(1) 2M x 36

(1) 2M x 36

24MB

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

NONE

24MB

(1) 2M x 36

(1) 2M x 36

(1) 1M x 36

(1) 1M x 36

24MB

(1) 1M x 36

(1) 1M x 36

(1) 2M x 36

(1) 2M x 36

32MB

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

32MB

(1) 4M x 36

(1) 4M x 36

NONE

NONE

32MB

(1) 8M x 36

NONE

NONE

NONE

34MB

(1) 4M x 36

(1) 4M x 36

(1) 256K x 36

(1) 256K x 36

34MB

(1) 256K x 36

(1) 256K x 36

(1) 4M x 36

(1) 4M x 36

36MB

(1) 4M x 36

(1) 4M x 36

(1) 512K x 36

(1) 512K x 36

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

Bank 3

36MB

(1) 512K x 36

(1) 512K x 36

(1) 4M x 36

(1) 4M x 36

40MB

(1) 4M x 36

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

40MB

(1) 1M x 36

(1) 1M x 36

(1) 4M x 36

(1) 4M x 36

48MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

NONE

48MB

(1) 4M x 36

(1) 4M x 36

(1) 2M x 36

(1) 2M x 36

48MB

(1) 2M x 36

(1) 2M x 36

(1) 4M x 36

(1) 4M x 36

56MB

(1) 8M x 36

(1) 4M x 36

(1) 2M x 36

NONE

CPU SPEED CONFIGURATION

Speed

P8

25MHz

pins 2 & 3 closed

33MHz

pins 1 & 2 closed

50iMHz

pins 2 & 3 closed

66iMHz

pins 1 & 2 closed

CPU TYPE CONFIGURATION

Type

P7

P9

P10

P11

80486SX

pins 2 & 3 closed

pins 1 & 2 closed

pins 2 & 3 closed

pins 1 & 2 closed

80487SX

pins 2 & 3 closed

pins 1 & 2 closed

pins 2 & 3 closed

pins 2 & 3 closed

ODP486DX

pins 2 & 3 closed

pins 1 & 2 closed

pins 2 & 3 closed

pins 2 & 3 closed

80486DX

pins 2 & 3 closed

pins 1 & 2 closed

pins 2 & 3 closed

pins 1 & 2 closed

ODP486DX2

pins 2 & 3 closed

pins 1 & 2 closed

pins 2 & 3 closed

pins 2 & 3 closed

80486DX2

pins 2 & 3 closed

pins 1 & 2 closed

pins 2 & 3 closed

pins 1 & 2 closed

ON-BOARD VIDEO CONFIGURATION

On-board Video

P5

P6

Disabled

pins 1 & 2 closed

pins 2 & 3 closed

Enabled

pins 1 & 2 closed

pins 2 & 3 closed

Jumper Settings (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

Jumper Settings (486-BASED MODELS)

Processor

OPP486DX/80486DX2

Processor Speed

50/50 (internal)/66(internal)MHz

Chip Set

Unidentified

Max. Onboard DRAM

56MB

Cache

None

BIOS

Unidentified

Dimensions

258 x 218mm

I/O Options

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

NPU Options

80487

 

CONNECTIONS

Purpose

Location

Purpose

Location

Speaker connector

J1

Serial port 1

P21

PS/2 mouse port

J2

Parallel port

P22

Floppy Drive Interface

J4

Serial port 2

P23

IDE interface

J6

VGA port

P24

IDE interface LED

J10

Riser card slot

SL1

Battery connector

J53

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Monitor type select monochrome

P4

pins 1 & 2 closed

 

Monitor type select color

P4

Open

»

I/O address select 398h/399h

P5

Open

 

I/O address select 26Eh/26Fh

P5

pins 1 & 2 closed

»

Speaker select internal

P8

pins 1 & 2 closed

 

Speaker select external

P8

pins 2 & 3 closed

»

Battery type select external

P52

pins 1 & 2 closed

 

Battery type select internal

P52

pins 2 & 3 closed

 

CMOS memory clear

P52

Open

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

4MB

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

4MB

(1) 512K x 36

(1) 512K x 36

NONE

NONE

4MB

(1) 1M x 36

NONE

NONE

NONE

6MB

(1) 512K x 36

(1) 512K x 36

(1) 512K x 36

NONE

6MB

(1) 512K x 36

(1) 512K x 36

(1) 256K x 36

(1) 256K x 36

6MB

(1) 256K x 36

(1) 256K x 36

(1) 512K x 36

(1) 512K x 36

8MB

(1) 512K x 36

(1) 512K x 36

(1) 512K x 36

(1) 512K x 36

8MB

(1) 1M x 36

(1) 1M x 36

NONE

NONE

8MB

(1) 2M x 36

NONE

NONE

NONE

10MB

(1) 1M x 36

(1) 1M x 36

(1) 256K x 36

(1) 256K x 36

10MB

(1) 256K x 36

(1) 256K x 36

(1) 1M x 36

(1) 1M x 36

12MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

NONE

12MB

(1) 1M x 36

(1) 1M x 36

(1) 512K x 36

(1) 512K x 36

12MB

(1) 512K x 36

(1) 512K x 36

(1) 1M x 36

(1) 1M x 36

16MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

16MB

(1) 2M x 36

(1) 2M x 36

NONE

NONE

16MB

(1) 4M x 36

NONE

NONE

NONE

18MB

(1) 2M x 36

(1) 2M x 36

(1) 256K x 36

(1) 256K x 36

18MB

(1) 256K x 36

(1) 256K x 36

(1) 2M x 36

(1) 2M x 36

20MB

(1) 2M x 36

(1) 2M x 36

(1) 512K x 36

(1) 512K x 36

20MB

(1) 512K x 36

(1) 512K x 36

(1) 2M x 36

(1) 2M x 36

24MB

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

NONE

24MB

(1) 2M x 36

(1) 2M x 36

(1) 1M x 36

(1) 1M x 36

24MB

(1) 1M x 36

(1) 1M x 36

(1) 2M x 36

(1) 2M x 36

32MB

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

32MB

(1) 4M x 36

(1) 4M x 36

NONE

NONE

32MB

(1) 8M x 36

NONE

NONE

NONE

34MB

(1) 4M x 36

(1) 4M x 36

(1) 256K x 36

(1) 256K x 36

34MB

(1) 256K x 36

(1) 256K x 36

(1) 4M x 36

(1) 4M x 36

36MB

(1) 4M x 36

(1) 4M x 36

(1) 512K x 36

(1) 512K x 36

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

Bank 3

36MB

(1) 512K x 36

(1) 512K x 36

(1) 4M x 36

(1) 4M x 36

40MB

(1) 4M x 36

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

40MB

(1) 1M x 36

(1) 1M x 36

(1) 4M x 36

(1) 4M x 36

48MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

NONE

48MB

(1) 4M x 36

(1) 4M x 36

(1) 2M x 36

(1) 2M x 36

48MB

(1) 2M x 36

(1) 2M x 36

(1) 4M x 36

(1) 4M x 36

56MB

(1) 8M x 36

(1) 4M x 36

(1) 2M x 36

NONE

CPU TYPE CONFIGURATION

CPU type

P1

P2

P3

P11

80486DX2-50

pins 1 & 2 closed

pins 2 & 3 closed

pins 1 & 2 closed

pins 2 & 3 closed

ODP486-50

pins 1 & 2 closed

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

80486DX2-66

pins 1 & 2 closed

pins 2 & 3 closed

pins 1 & 2 closed

pins 2 & 3 closed

Note: The location of P11 is unidentified.

ON-BOARD VIDEO CONFIGURATION

Setting

P50

P51

Disabled

pins 1 & 2 closed

pins 1 & 2 closed

Enabled

pins 2 & 3 closed

pins 2 & 3 closed

VESA VAIT STATE CONFIGURATION

Wait states

P6

0 wait states

pins 1 & 2 closed

1 wait states

Open