COMPAQ COMPUTER CORPORATION
DESKPRO EP (2 DIMM)
Device Type |
Mainboard |
Processor |
Pentium II/Celeron |
Processor Speed |
233/266/300/333/366/400/450/500MHz |
Chip Set |
Intel 440BX/PIIX-4E or 440EX/PIIX-4E |
Video Chip Set |
None |
Maximum Onboard Memory |
256MB (SDRAM supported) |
Maximum Video Memory |
None |
Cache |
512KB (located on Pentium II CPU) |
BIOS |
Unidentified |
Dimensions |
305mm x 244mm |
I/O Options |
32-bit PCI slots (3), floppy drive interface, IDE interfaces (2), serial ports (2), parallel port, PS/2 mouse port, USB connectors (2), ATX power connector, AGP slot |
NPU Options |
None |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
AGP slot |
AGP |
Auxiliary LED |
CR114 |
ATX power connector |
ATX |
Power switch & LED |
P5 |
Serial port |
CN1 |
Chassis fan power |
P8 |
Serial port |
CN2 |
Wake on LAN connector |
P9 |
Parallel port |
CN3 |
Floppy drive interface |
P10 |
PS/2 mouse port |
CN4 |
IDE interface 1 |
P20 |
USB connector |
CN5 |
IDE interface 2 |
P21 |
USB connector |
CN6 |
32-bit PCI slots |
PC1 PC4 |
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 |
8MB |
(1) 1M x 64 |
None |
16MB |
(1) 2M x 64 |
None |
16MB |
(1) 1M x 64 |
(1) 1M x 64 |
24MB |
(1) 2M x 64 |
(1) 1M x 64 |
32MB |
(1) 4M x 64 |
None |
32MB |
(1) 2M x 64 |
(1) 2M x 64 |
40MB |
(1) 4M x 64 |
(1) 1M x 64 |
48MB |
(1) 4M x 64 |
(1) 2M x 64 |
64MB |
(1) 8M x 64 |
None |
64MB |
(1) 4M x 64 |
(1) 4M x 64 |
72MB |
(1) 8M x 64 |
(1) 1M x 64 |
80MB |
(1) 8M x 64 |
(1) 2M x 64 |
128MB |
(1) 16M x 64 |
None |
128MB |
(1) 8M x 64 |
(1) 8M x 64 |
136MB |
(1) 16M x 64 |
(1) 1M x 64 |
144MB |
(1) 16M x 64 |
(1) 2M x 64 |
160MB |
(1) 16M x 64 |
(1) 4M x 64 |
256MB |
(1) 16M x 64 |
(1) 16M x 64 |
Note: Board accepts SDRAM memory. |
CACHE CONFIGURATION |
Note: 512KB cache is located on the Pentium II CPU. |
CPU SPEED SELECTION | ||||||
CPU speed |
Clock speed |
Multiplier |
SW1/2 |
SW1/3 |
SW1/4 |
SW1/5 |
233MHz |
66MHz |
3.5x |
Off |
Off |
On |
On |
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 |