Biostar A770 A2+ Setup Manual page 18

Motherboard Manual
JCDIN: CD-ROM Audio-in Conne ctor
This connector allows user to connect the audio source f rom the v ariaty dev ices,
like CD-ROM, DVD-ROM, PCI sound card, PCI TV turner card etc.
JCMO S: Clear CMOS He ader
By placing the jumper on pin2-3, it allows user to restore the BIOS saf e setting
and the CMOS data, please carefully f ollow the procedures to avoid damaging
the motherboard.
※ Clear CMOS Proce dures:
1. Remov e AC power line.
2. Set the jumper to "Pin 2-3 close".
3. Wait f or f ive seconds.
4. Set the jumper to "Pin 1-2 close".
5. Power on the AC.
6. Reset y our desired password or clear the CMOS data.
16
Pin
1
2
3
4
1 4
Pin 1-2 Close:
Normal Operation (default).
3
1
Pin 2-3 Close:
Clear CMOS data.
Assignment
Left Channel Input
Ground
Ground
Right Channel Input
3
1
3
1