Mainboard PI852
16
Clear CMOS Jumper: JP1
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.
JP1
Assignment
Pin 1-2 Closed
Normal (Default)
Pin 2-3 Closed
Clear CMOS Data
Note:
“Closed” means putting a jumper cap onto two adjacent header pins.
1. Turn off your system and disconnect the AC power cable.
2. Set JP1 header to OFF (2-3 Closed).
3. Wait several seconds.
4. Set JP1 header to ON (1-2 closed).
5. Connect the AC power cable and turn on your system.
6. Reset your new password.
Audio Configuration
Audio Header: AUDIO (Optional)
This mainboard provides one Audio Port header which provides the basic audio capabilities; Mic-in,
Line-in and Line-out.
AUDIO
Pin
Assignment
Pin
Assignment
1
SPEAK_OUT_R
2
MIC1
3
SPEAK_OUT _L
4
LFE_OUT
5
Ground
6
Ground
7
Key
8
LINE_IN_R
9
Ground
10
LINE_IN_L
The following steps explain how to reset your CMOS
configurations when you forgot a system password.
