Biostar TF570 Setup Manual page 20

Motherboard Manual
JCDIN1: CD-RO M Audio-in Connector
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 S1: Cle ar CMOS Heade r
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.
18
Pin Assignment
1 Left Channel Input
2 Ground
3 Ground
4 Right Channel Input
1 4
1 3
Pin 1-2 Close:
Normal Operation (default).
1 3
1 3
Pin 2-3 Close:
Clear CMOS data.