4640 System Board
Accessing System Board Illustration
Compaq
Presario 4626 Series System Board: |
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| Function | Description | Designator |
| Video | DSUB 15-Pin | J3 |
| Serial | 9-Pin Header | P10 |
| Parallel | DSUB 25-Pin | J5 |
| Joystick/MIDI | DSUB 15-Pin 2 Row | J12 |
| USB Port | USB Connector | J16 |
| Keyboard | Miniature 6-Pin | ½ J18 |
| Mouse | Miniature 6-Pin | ½ J18 |
| Microphone | Mini Stereo | ½ J20 |
| Line In | Mini Stereo | ½ J20 |
| Line Out | Mini Stereo | ½ J22 |
| Headphone/Speaker Out | Mini Stereo | ½ J22 |
Compaq
Presario 4600 Series System Board: |
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| Function | Description | Designator |
| CMOS Clear | 2-Pin Header | J7 |
| DIMM Socket | 168-Pin DIMM | J8, J10 |
| Video Memory Expansion | SODIMM Socket | J2 |
| Clock Speed | 2-Pin Header | JP1, JP2, JP3 |
| Button/Light Board | 8-Pin Header | J32 |
| Internal Line In (CD Drive) | 4-Pin Header, Key 2 | J24 |
| Power Supply | 12-Pin ATPWR Header | J23 |
| Replacement Battery | 4-Pin Header, Key 2 | BT1 |
| Primary IDE Drive (Hard Drive) | 40-Pin Header, Key 20 | J14 |
| Secondary IDE Drive (CD Drive) | 40-Pin Header, Key 20 | J13 |
| Diskette Drive | 34-Pin Header | J21 |
| ISA slot | ISA Slot | J25 |
| ISA/PCI Shared Slot | ISA and PCI slot | J28, J30 |
| PCI Slot | PCI Slot | J26 |
Pentium II
Speed |
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| Frequency (MHz) | JP1 | JP2 | JP3 |
| 233 | OFF | ON | ON |
| 266 | ON | OFF | OFF |
| 300 | ON | OFF | ON |
| 333 | ON | ON | OFF |
Pentium II Jumper Switch Table |
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| Function | Jumper | Positions | Setting |
CMOS |
J7 |
Normal Clear CMOS |
1-2* 4-5 To clear CMOS, move the jumper from pins 1-2 to pins 2-3 for 10 seconds, then return to pins 1-2. |
| *Default | |||
Accessing System Board Illustration
