Biostar NF520-A2 TE Setup Manual page 21

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JKBPWR1: Power Source Header for PS/2 Keyboard and Mouse
(O ptional for NF520-A2)
JCMO S1: Clear CMOS Header
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 Procedures:
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.
NF520-A2 TE/NF520-A2 SE/NF520-A 2
1 3
3
1
Pin 1-2 Close
+5V for PS/2 keyboard and
mouse.
1 3
Pin 2-3 close
+5V STB for PS/2 keyboard and
mouse.
1
Pin 1-2 Close:
Normal Operation (default).
1
1 3
Pin 2-3 Close:
Clear CMOS data.
3
3
19