11
Front Panel Audio Header: JF_AUDIO1
10
9
2
1
JF_AUDIO1
Pin Assignment Pin Assignment
1
Mic In/ Center
2
Ground
3
Mic Power/ Bass
4
Audio Power
5
Right Line Out/ Speaker
Out Right
6
Right Line Out/ Speaker
Out Right
7
Reserved
8
Key
9
Left Line Out/ Speaker
Out Left
10
Left Line Out/ Speaker
Out Left
System Operation Mode: JCLK3
Note: When overclock function failed and system is unable to boot-up, please
follow the instruction below:
1. Turn off the system.
2. Closed the JCLK3 jumper.
3. Turn on the system.
4. Enter CMOS setup menu and load defaults settings.
5. Turn off the system.
6. Open the JCLK3 jumper.
7. Turn on the system.
JCLK3 Assignment
1
Pin 1-2 Close
User Mode (default)
(133/ 166 MHz)
1
Pin 1-2 Open
Safe mode
(100 MHz)
