Biostar B75MU3B Manuale Proprietario
Motherboard Manual
16
F_AUDIO1: Front Panel Audio Header
This header allows user to connect the front audio output cable with the PC front
panel..
panel..
Pin
Assignment
1
Mic Left in
2 Ground
3
3
Mic Right in
4 GPIO
5
5
Right line in
6 Jack
Sense
7 Front
Sense
8 Key
9
9
Left line in
10 Jack
Sense
JCMOS1: Clear CMOS Header
Placing the jumper on pin2-3 allows user to restore the BIOS safe setting and
the CMOS data. Please carefully follow the procedures to avoid damaging the
the CMOS data. Please carefully follow the procedures to avoid damaging the
motherboard.
1
3
Pin 1-2 Close:
Normal Operation (default).
Normal Operation (default).
1
3
Pin 2-3 Close:
Clear CMOS data.
Clear CMOS data.
※
Clear CMOS Procedures:
1.
Remove AC power line.
2.
Set the jumper to “Pin 2-3 close”.
3.
Wait for five seconds.
4.
Set the jumper to “Pin 1-2 close”.
5.
Power on the AC.
6.
Load Optimal Defaults and save settings in CMOS.