User`s manual
MM77NNCCDD UUllttrraa
15
Front Panel Audio Header: JF_AUDIO1
This header allows user to connect the front audio out put cable with the
PC front panel. It will disable the output on back panel audio connectors.
10
9
2
1
JF_AUDIO1
Pin Assignment Pin Assignment
1
Mic I n/ C ent er
2
Ground
3
Mic Power/ Bass
4
Audio Power
5
Right Line Out/ Speaker Ou
t
Right
6
Right Line Out / Speaker Out
Right
7
Reserv ed
8
Key
9
Lef t Line Out/ Speaker Ou
t
Lef t
10
Lef t Line Out/ Speaker Out Left
Clear C MOS Header: JCMOS
By placing the jumper cap on pin2-3, it allows user to restore the BIOS safe
setting and the CMOS data, please carefully follow the procedures to avoid
damaging the motherboard.
JCMOS Assignment
1
3
Pin 1-2 Close
Normal Operation (default)
1
3
Pin 2-3 Close
Clear CMOS Data
Note :
If your syste m does n ot have scree n o utput (No Di spla y) afte r over-cl ock, it
was caused by the Over Limit of CPU's Front-Side-Bus (FSB). We can
restore the CPU Original FSB by clearing the CMOS setting. Once the
CMOS goes back to default setting, the System will able to boot-up again.
※ Clear the CMOS Setting:
1. Turn off the system and remove AC power cord from the power
supply.
2. Place the JCMOS1 jumper cap to Pin 2-3 and wait for 10 seconds.
3. Place the JCMOS1 jumper cap back to Pin 1-2.
4. Connect AC power cord back to power supply and power on the
syste m .
This Manual: http://www.manuallib.com/file/2538860