COMPAQ COMPUTER CORPORATION
DESKPRO 4000N, 4000S
| 
 Device Type  | 
 Mainboard  | 
| 
 Processor  | 
 Pentium MMX  | 
| 
 Processor Speed  | 
 166/200/233MHz  | 
| 
 Chip Set  | 
 VIA  | 
| 
 Video Chip Set  | 
 S3  | 
| 
 Maximum Onboard Memory  | 
 256MB (SDRAM supported)  | 
| 
 Maximum Video Memory  | 
 2MB  | 
| 
 Cache  | 
 256KB  | 
| 
 BIOS  | 
 Unidentified  | 
| 
 Dimensions  | 
 254mm x 218mm  | 
| 
 I/O Options  | 
 Ethernet AUI connector, Ethernet 10BaseT connector, floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial ports (2), VGA port, riser slot, USB connectors (2), ATX power connector, CD-ROM interface, LS-120 connector  | 
| 
 NPU Options  | 
 None  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 ATX power connector  | 
 ATX  | 
 Floppy drive interface  | 
 J1  | 
| 
 VGA port  | 
 CN1  | 
 Audio connector  | 
 J11  | 
| 
 PS/2 mouse port  | 
 CN2  | 
 External battery  | 
 P14/pins 9 - 12  | 
| 
 Ethernet AUI connector  | 
 CN3  | 
 Ethernet AUI connector  | 
 P15  | 
| 
 Ethernet 10BaseT connector  | 
 CN4  | 
 Power cable/LED connector  | 
 P16  | 
| 
 Serial port  | 
 CN5  | 
 IDE interface 1  | 
 P20  | 
| 
 Serial port  | 
 CN6  | 
 LS-120 connector  | 
 P21  | 
| 
 Parallel port  | 
 CN7  | 
 CD-ROM interface  | 
 P25  | 
| 
 USB connector  | 
 CN8  | 
 Riser slot  | 
 SL1  | 
| 
 USB connector  | 
 CN9  | ||
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Label  | 
 Position  | |
| 
 »  | 
 CMOS memory normal operation  | 
 P14/pins 1 & 2  | 
 Closed  | 
| 
 CMOS memory clear  | 
 P14/pins 1 & 2  | 
 Open  | |
| 
 Password enabled  | 
 SW1/1  | 
 Off  | |
| 
 Password disabled  | 
 SW1/1  | 
 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  | 
| 
 96MB  | 
 (1) 8M x 64  | 
 (1) 4M x 64  | 
| 
 128MB  | 
 (1) 16M x 64  | 
 None  | 
| 
 128MB  | 
 (1) 8M x 64  | 
 (1) 8M x 64  | 
| 
 DIMM CONFIGURATION (CON’T)  | ||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
| 
 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  | 
| 
 192MB  | 
 (1) 16M x 64  | 
 (1) 8M x 64  | 
| 
 256MB  | 
 (1) 16M x 64  | 
 (1) 16M x 64  | 
| 
 Note: Board accepts SDRAM memory.  | ||
| 
 CACHE CONFIGURATION  | 
| 
 Note: The location of the cache is unidentified.  | 
| 
 VIDEO MEMORY CONFIGURATION  | 
| 
 Note: The location of the video memory is unidentified.  | 
| 
 CPU SPEED SELECTION  | |||||||
| 
 CPU speed  | 
 Clock speed  | 
 Multiplier  | 
 SW1/2  | 
 SW1/3  | 
 SW1/4  | 
 SW1/5  | 
 SW1/6  | 
| 
 166MHz  | 
 66MHz  | 
 2.5x  | 
 On  | 
 On  | 
 Off  | 
 On  | 
 Off  | 
| 
 200MHz  | 
 66MHz  | 
 3x  | 
 Off  | 
 On  | 
 Off  | 
 On  | 
 Off  | 
| 
 233MHz  | 
 66MHz  | 
 3.5x  | 
 Off  | 
 Off  | 
 Off  | 
 On  | 
 Off  |