Biostar M7NCD M7NCD user's manual - Page 13

Front Panel Audio Header: JF_AUDIO1, Safe/ User Mode Selection: JCLK - overclocking

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Front Panel Audio Header: JF_AUDIO1 12 13 14 JF_AUDIO1 Pin Assignment Pin Assignment 1 Mic In/ Center 2 Ground 3 Mic Power/ Bass 4 Audio Power 5 Right Line Out/ Speaker 6 Right Line Out/ Speaker Out Right Out Right 7 Reserved 8 Key 9 Left Line Out/ Speaker 10 Left Line Out/ Speaker Out Left Out Left 11 Right Line In/ Right Rear 12 Right Line In/ Right Rear Speaker Speaker 13 Left Line In/ Left Rear 14 Left Line In/ Left Rear Speaker Speaker Safe/ User Mode Selection: JCLK JCLK 1 Pin 1-2 Close 1 Assignment Safe mode User Mode (default) Pin 1-2 Open (133/ 166/ 200 MHz) 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 JCLK jumper. 3. Turn on the system. 4. Enter CMOS setup menu and load defaults settings. 5. Turn off the system. 6. Open the JCLK jumper. 7. Turn on the system. 11

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11
Front Panel Audio Header: JF_AUDIO1
1
2
13
14
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
11
Right Line In/ Right Rear
Speaker
12
Right Line In/ Right Rear
Speaker
13
Left Line In/ Left Rear
Speaker
14
Left Line In/ Left Rear
Speaker
Safe/ User Mode Selection: JCLK
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 JCLK jumper.
3.
Turn on the system.
4.
Enter CMOS setup menu and load defaults settings.
5.
Turn off the system.
6.
Open the JCLK jumper.
7.
Turn on the system.
JCLK
Assignment
1
Pin 1-2 Close
Safe mode
1
Pin 1-2 Open
User Mode (default)
(133/ 166/ 200 MHz)