Compaq Presario 633
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 |