Nvidia NFORCE 650I - Manual (Page 18)

Mainboard nForce 650i Ultra
14
Clear CMOS Jumper: CLR_CMOS
The “Clear CMOS” function is used when you are unable boot your system and need to reset
the BIOS settings (CMOS settings) back to the manufacturer’s original settings. This is also a
way to reset the system password if you have forgotten it.
CLR_CMOS Assignment
Pin 1-2 Closed Clear CMOS Data
Pin 2-3 Closed Normal (Default)
Note: Close stands for putting a jumper cap onto two header pins.
1. Turn off your system and disconnect the AC power cable.
2. Set CLR_CMOS header to OFF (1-2 Closed).
3. Wait several seconds.
4. Set CLR_CMOS header to ON (2-3 closed).
5. Connect the AC power cable and turn on your system.
6. Reset your new password.
Audio Configuration
Front Audio Header: FP AUDIO
The audio header supports High Definition Audio standard and provides two kinds of audio
output choices, the Front Audio and the Rear Audio. The front audio supports re-tasking
function.
FP AUDIO
Pin Assignment Pin Assignment
1 PORT1_L 2 AUD_GND
3 PORT1_R 4 PRECENCE_J
5 PORT2_R 6 SENSE1_RETURN
7 SENSE_SEND 8 Key
9 PORT2_L 10 SENSE2_RETURN
The following steps explain how to reset your CMOS
configurations when you forgot a system password.