 Acer File Extensions |
Compaq Presario 4400 Series
| Jumper | Function | Pins | Function |
|---|---|---|---|
| P7 | Replacement Battery Connector | ||
| P8 | Processor Select | 1-2 2-3 3-4 4-5 | 50MHz Clock Speed 60MHz Clock Speed 66MHz Clock Speed 55MHz CPU External Bus Frequency |
| P9 | Processor Select | A1-A2 B1-B2 A2-A3 B1-B2 A2-A3 B2-B3 A1-A2 B2-B3 | 1.5X Clock Multiplier 2.0X Clock Multiplier 2.5X Clock Multiplier 3.0X Clock Multiplier |
| P11 | CMOS Erase/Password Clear | 1-2 Open | Secure CMOS Power Remove Jumper for 10 sec, reinstall to clear |