Presario 4910 System Board Connectors
4910 System Board: Core Voltage
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| Processor frequency selection, MHz - JP1 | |||
| Frequency (MHz) (with 66MHz bus) | Pins 1-2 (BF0) | Pins 3-4 (BF1) | Pins 5-6 (BF2) |
| 133 | on | off | off |
| 166 | on | on | off |
| 200 | off | on | off |
| 233 | off | off | off |
| 266 | on | off | on |
| 300 | on | on | on |
| 333 | off | on | on |
| 366 | off | off | on |
| 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 |
| Battery voltage to SMC932 | 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 |