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Maintenance and Service Guide Compaq Presario 4900, 5000, & 5100 Series Computers
Home | Product Description | Troubleshooting | Illustrated Parts Catalog
Removal & Replacement | Jumper & Switch Information | Specifications
System boards
Hard drives
DVD drive
CD drive
Zip drive
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| JUMPER & SWITCH INFORMATION 4900 Series System Board For boards used in the 5000 & 5100 series models, click the link. Click on a jumper designator to get its function and a connector description.
| Processor frequency required, MHz
Jumpers | 133 | 166 | 200 | 233 | 266 | 300 | 333 | 366
Pins 1-2 (BF0) | on | on | off | off | on | on | off | off
Pins 3-4 (BF1) | off | on | on | off | off | on | on | off
Pins 5-6 (BF2) | off | off | off | off | on | on | on | on
Connector information
Function | Description | Reference Designator
Keyboard | Miniature 6-pin | ½ J4
Mouse | Miniature 6-pin | ½ J4
Parallel port | DSUB 25-pin | J5
Serial | DSUB 15-pin | J6
USB | USB connector | J7
Video | 15-pin VGA | J8
Game | DSUB 15-pin | J9 (Combined stacked connector)
Microphone in | Mini stereo | J3 (Combined stacked connector)
Speaker out | Mini stereo | J1 (Combined stacked connector)
Line out | Mini stereo | J2 (Combined stacked connector)
DIMM socket | 168-pin DIMM | DM1
SODIMM socket | 144-pin SODIMM | DM2
PCI slot | 32-bit PCI connector | J17
ISA slots | 16-bit ISA connector | J10, J11 (combo), J12
CPU core voltage select | 6-pin header | JP3 & JP4
Socket 7 | 321-pin PGA | U43
Socket 7 clock multiplier | 6-pin header | JP1
Clear CMOS | 3-pin header | JP2
Battery socket | Battery holder | BT1
CD-ROM audio | 4-pin header, key 2 | J15
IDE drives | 40-pin headers, key 20 | J14 (primary), J16 (secondary)
Diskette drive | 34-pin header | J13
Headphone board | 5-pin 2mm connector | J24
Internal speakers | 2-pin header | J23 (L), J22 (R)
Second fan | 4-pin header, key 2 | J21
Reset (NA) | 2-pin header | J19
Button board | 5-pin header | J25
Power supply | 12-pin ATPWR header | J18
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