COMPAQ COMPUTER CORPORATION
DESKPRO 4000 (PENTIUM II), DESKPRO 6000 (PENTIUM II)
| Device Type | Mainboard |
| Processor | Pentium II |
| Processor Speed | 233/266/300MHz |
| Chip Set | Intel 440LX |
| Maximum Onboard Memory | 384MB (SDRAM supported) |
| Cache | 256/512KB (located on the Pentium II CPU) |
| BIOS | Unidentified |
| Dimensions | Unidentified |
| I/O Options | 32-bit PCI slots, Ethernet 10BaseT connector, floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), riser slot, USB connectors (2), ATX power connector, AGP slot, line in, line out, microphone in, headphone out |

CONNECTIONS |
|||
| Purpose | Location |
Purpose | Location |
| AGP port | AGP | Headphone out | CN11 |
| ATX power connector | ATX | Microphone in | CN12 |
| SCSI port | CN1 | Line out | CN13 |
| Parallel port | CN2 | Line in | CN14 |
| AUI transceiver via DB-15 | CN3 | External battery connector | E50/Pins 9 - 12 |
| RJ-45 UTP connector | CN4 | Floppy drive interface | P10 |
| IR connector | CN5 | IDE 1 interface | P20 |
| USB 1 connector | CN6 | IDE 2 interface | P21 |
| USB 2 connector | CN7 | Power switch & selenoid | P100 |
| Serial 1 port | CN8 | CD-ROM audio in | P4 |
| Serial 2 port | CN9 | Riser slot | SL1 |
| PS/2 mouse port | CN10 | ||
USER CONFIGURABLE SETTINGS |
|||
Function |
Label |
Position |
|
» |
CMOS memory normal operation | E50/Pins 5 & 6 | Open |
| Clear CMOS memory | E50/Pins 5 & 6 | Closed | |
| Battery type select internal | E50 |
Pins 1 & 2 closed | |
| Battery type select external | E50 |
Pins 2 & 3 closed |
|
| Enable power on password | SW1/1 | On | |
| Disable power on password | SW1/1 | Off | |
| » | Factory configured - do not alter | SW1/5 | Unidentified |
| » | Disable use of power strip to power up computer | SW1/6 | Off |
| Enable use of power strip to power up computer | SW1/6 | On | |
SIMM 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) 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) 2M x 64 | (1) 2M x 64 | (1) 2M x 64 |
48MB |
(1) 4M x 64 |
(1) 2M x 64 |
None |
64MB |
(1) 8M x 64 |
None |
None |
64MB |
(1) 4M x 64 |
(1) 4M x 64 |
None |
| 64MB | (1) 4M x 64 | (1) 2M x 64 | (1) 2M x 64 |
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) 2M x 64 |
None |
| 80MB | (1) 4M x 64 | (1) 4M 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 |
| 128MB | (1) 8M x 64 | (1) 4M x 64 | (1) 4M x 64 |
128MB |
(1) 8M x 64 |
(1) 8M x 64 |
None |
128MB |
(1) 16M x 64 |
None |
None |
136MB |
(1) 16M x 64 |
(1) 1M x 64 |
None |
144MB |
(1) 16M x 64 |
(1) 2M x 64 |
None |
| 144MB | (1) 16M x 64 | (1) 1M x 64 | (1) 1M x 64 |
160MB |
(1) 16M x 64 |
(1) 4M x 64 |
None |
| 160MB | (1) 16M x 64 | (1) 2M x 64 | (1) 2M x 64 |
192MB |
(1) 16M x 64 |
(1) 8M x 64 |
None |
| 192MB | (1) 16M x 64 | (1) 4M x 64 | (1) 4M x 64 |
256MB |
(1) 16M x 64 |
(1) 16M x 64 |
None |
256MB |
(1) 16M x 64 |
(1) 8M x 64 |
(1) 8M x 64 |
264MB |
(1) 16M x 64 |
(1) 16M x 64 |
(1) 1M x 64 |
272MB |
(1) 16M x 64 |
(1) 16M x 64 |
(1) 2M x 64 |
288MB |
(1) 16M x 64 |
(1) 16M x 64 |
(1) 4M x 64 |
320MB |
(1) 16M x 64 |
(1) 16M x 64 |
(1) 8M x 64 |
384MB |
(1) 16M x 64 |
(1) 16M x 64 |
(1) 16M x 64 |
CPU SPEED SELECTION |
||||
Speed |
Clock Speed | SW1/2 | SW1/3 | SW1/4 |
233MHz |
66MHz | Off | Off | On |
266MHz |
66MHz | On | On | Off |
300MHz |
66MHz | On | Off | On |

CONNECTIONS |
|||
| Purpose | Location |
Purpose | Location |
| PC speaker connector | P1 | 32-bit PCI slots | PC1 - PC3 |
| SCSI interface LED | P4 | ||
USER CONFIGURABLE SETTINGS |
|||
Function |
Label |
Position |
|
» |
Factory configured - do not alter | SW1 | Unidentified |

CONNECTIONS |
|||
| Purpose | Location |
Purpose | Location |
| PC speaker connector | P1 | 32-bit PCI slots | PC1 - PC4 |
| SCSI interface LED | P4 | ||
USER CONFIGURABLE SETTINGS |
|||
Function |
Label |
Position |
|
» |
Factory configured - do not alter | SW1 | Unidentified |