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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.

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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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