Presario 7600 Series

| Jumper | Function | Pins | Function | 
| J22 | Bus Speed Select | 1-2 2-3 3-4 4-5 | 50 MHz CPU External Bus Freq 40 MHz CPU External Bus Freq 60 MHz CPU External Bus Freq 66 MHz CPU External Bus Freq | 
| J28 | CPU Clock Multiplier | 2-4 1-3 2-4 3-5 4-6 1-3 4-6 2-5 | 2/3 1/2 1/3 2/5 | 
| W1 | Secure CMOS Power | 1-2 Open | Secure CMOS Power Remove jumper for 10 sec, reinstall to clear CMOS |