COMPAQ COMPUTER CORPORATION
DESKPRO EN
|
Device Type |
Mainboard |
|
Processor |
Pentium II |
|
Processor Speed |
266/300/333/350/400/450/500/550MHz |
|
Chip Set |
Intel |
|
Video Chip Set |
None |
|
Maximum Onboard Memory |
384MB (SDRAM supported) |
|
Maximum Video Memory |
None |
|
Cache |
512KB (located on Pentium II CPU) |
|
BIOS |
Unidentified |
|
Dimensions |
254mm x 218mm |
|
I/O Options |
32-bit PCI slots (4), riser slot, AGP slot, serial ports (2), parallel port, PS/2 mouse port, line in, line out, microphone in, headphone in, USB connectors (2), IDE interfaces (2), floppy drive interface, audio in CD-ROM |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
AGP slot |
AGP |
Microphone in |
CN7 |
|
Serial port |
CN1 |
Headphone in |
CN8 |
|
Serial port |
CN2 |
USB connector |
CN9 |
|
Parallel port |
CN3 |
USB connector |
CN10 |
|
PS/2 mouse port |
CN4 |
Chassis fan power |
P15 |
|
Line in |
CN5 |
Riser slot |
SL1 |
|
Line out |
CN6 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
|
CMOS memory normal operation |
E50 |
Pins 1 & 2 closed |
|
CMOS memory clear |
E50 |
Pins 2 & 3 closed | |
|
|
Password enabled |
SW1/1 |
Off |
|
Password disabled |
SW1/1 |
On | |
|
Auxiliary power supply enabled, main power supply disabled |
SW1/6 |
Off | |
|
Auxiliary & main power supply enabled |
SW1/6 |
On | |
|
DIMM CONFIGURATION | |||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
|
8MB |
(1) 1M x 64 |
None |
None |
|
16MB |
(1) 2M x 64 |
None |
None |
|
16MB |
(1) 1M x 64 |
(1) 1M x 64 |
None |
|
24MB |
(1) 2M x 64 |
(1) 1M x 64 |
None |
|
24MB |
(1) 1M x 64 |
(1) 1M x 64 |
(1) 1M x 64 |
|
32MB |
(1) 4M x 64 |
None |
None |
|
32MB |
(1) 2M x 64 |
(1) 1M x 64 |
(1) 1M x 64 |
|
32MB |
(1) 2M x 64 |
(1) 2M x 64 |
None |
|
40MB |
(1) 4M x 64 |
(1) 1M x 64 |
None |
|
40MB |
(1) 2M x 64 |
(1) 2M x 64 |
(1) 1M x 64 |
|
48MB |
(1) 4M x 64 |
(1) 1M x 64 |
(1) 1M x 64 |
|
48MB |
(1) 4M x 64 |
(1) 2M x 64 |
None |
|
48MB |
(1) 2M x 64 |
(1) 2M x 64 |
(1) 2M x 64 |
|
56MB |
(1) 4M x 64 |
(1) 2M x 64 |
(1) 1M x 64 |
|
64MB |
(1) 8M x 64 |
None |
None |
|
64MB |
(1) 4M x 64 |
(1) 2M x 64 |
(1) 2M x 64 |
|
64MB |
(1) 4M x 64 |
(1) 4M x 64 |
None |
|
DIMM CONFIGURATION (CONT) | |||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
|
72MB |
(1) 8M x 64 |
(1) 1M x 64 |
None |
|
72MB |
(1) 4M x 64 |
(1) 4M x 64 |
(1) 1M x 64 |
|
80MB |
(1) 8M x 64 |
(1) 1M x 64 |
(1) 1M x 64 |
|
80MB |
(1) 8M x 64 |
(1) 2M x 64 |
None |
|
80MB |
(1) 4M x 64 |
(1) 4M x 64 |
(1) 2M x 64 |
|
88MB |
(1) 8M x 64 |
(1) 2M x 64 |
(1) 1M x 64 |
|
96MB |
(1) 8M x 64 |
(1) 2M x 64 |
(1) 2M x 64 |
|
96MB |
(1) 8M x 64 |
(1) 4M x 64 |
None |
|
96MB |
(1) 4M x 64 |
(1) 4M x 64 |
(1) 4M x 64 |
|
104MB |
(1) 8M x 64 |
(1) 4M x 64 |
(1) 1M x 64 |
|
112MB |
(1) 8M x 64 |
(1) 4M x 64 |
(1) 2M x 64 |
|
128MB |
(1) 16M x 64 |
None |
None |
|
128MB |
(1) 8M x 64 |
(1) 4M x 64 |
(1) 4M x 64 |
|
128MB |
(1) 8M x 64 |
(1) 8M x 64 |
None |
|
136MB |
(1) 16M x 64 |
(1) 1M x 64 |
None |
|
136MB |
(1) 8M x 64 |
(1) 8M x 64 |
(1) 1M x 64 |
|
144MB |
(1) 16M x 64 |
(1) 1M x 64 |
(1) 1M x 64 |
|
144MB |
(1) 16M x 64 |
(1) 2M x 64 |
None |
|
144MB |
(1) 8M x 64 |
(1) 8M x 64 |
(1) 2M x 64 |
|
152MB |
(1) 16M x 64 |
(1) 2M x 64 |
(1) 1M x 64 |
|
160MB |
(1) 16M x 64 |
(1) 2M x 64 |
(1) 2M x 64 |
|
160MB |
(1) 16M x 64 |
(1) 4M x 64 |
None |
|
160MB |
(1) 8M x 64 |
(1) 8M x 64 |
(1) 4M x 64 |
|
168MB |
(1) 16M x 64 |
(1) 4M x 64 |
(1) 1M x 64 |
|
176MB |
(1) 16M x 64 |
(1) 4M x 64 |
(1) 2M x 64 |
|
192MB |
(1) 16M x 64 |
(1) 4M x 64 |
(1) 4M x 64 |
|
192MB |
(1) 16M x 64 |
(1) 8M x 64 |
None |
|
192MB |
(1) 8M x 64 |
(1) 8M x 64 |
(1) 8M x 64 |
|
200MB |
(1) 16M x 64 |
(1) 8M x 64 |
(1) 1M x 64 |
|
208MB |
(1) 16M x 64 |
(1) 8M x 64 |
(1) 2M x 64 |
|
224MB |
(1) 16M x 64 |
(1) 8M x 64 |
(1) 4M x 64 |
|
256MB |
(1) 16M x 64 |
(1) 8M x 64 |
(1) 8M x 64 |
|
384MB |
(1) 16M x 64 |
(1) 16M x 64 |
(1) 16M x 64 |
|
CACHE CONFIGURATION |
|
Note: 512KB cache is located on the Pentium II CPU. |
|
CPU SPEED SELECTION | ||||||
|
CPU speed |
Clock speed |
Multiplier |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
|
266MHz |
66MHz |
4x |
On |
On |
Off |
On |
|
300MHz |
66MHz |
4.5x |
On |
Off |
Off |
On |
|
333MHz |
66MHz |
5x |
Off |
On |
Off |
On |
|
350MHz |
100MHz |
3.5x |
Off |
Off |
On |
On |
|
400MHz |
100MHz |
4x |
On |
On |
Off |
On |
|
450MHz |
100MHz |
4.5x |
On |
Off |
Off |
On |
|
500MHz |
100MHz |
5x |
Off |
On |
Off |
On |
|
550MHz |
100MHz |
5.5x |
Off |
Off |
Off |
Off |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Speaker |
P6 |
SCSI interface LED |
P29 |
|
Chassis fan power |
P8 |
32-bit PCI slots |
PC1 PC4 |
|
Wake on LAN connector |
P9 | ||
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
ATX power connector |
ATX |
Floppy drive interface |
P10 |
|
Front panel connector |
P5 |
IDE interface 1 |
P20 |
|
Audio in CD-ROM |
P7 |
IDE interface 2 |
P21 |