 Acer File Extensions |
Compaq Presario 500 Series
| Jumper | Function | Pins | Function |
|---|---|---|---|
| P1 | Select Processor Speed | 1,2 2,3 | 25 or 50 Mhz 33 or 66 Mhz |
| P2 | SX Processor Select | 1,2 2,3 | 486SX Installed Other than 486SX Installed |
| P5 | Clear CMOS & Password | Remove and Replace Jumper to clear CMOS. | |
| J11 | Replacement Battery Connector | Use only 4.5v Alkaline Computer Battery |