Biostar A770E3+ Setup Manual page 17

JUSBV1/JUSBV2: Power Source Headers for USB Ports
Pin 1-2 Close:
JUSBV1: +5V for USB ports at F_USB1/F_USB2.
JUSBV2: +5V for USB ports at USB1/RJ45USB1.
Pin 2-3 Close:
JUSBV1: +5V STB for USB ports at F_USB1/F_USB2.
JUSBV2: +5V STB for USB ports at USB1/RJ45USB1.
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 procedure to avoid damaging the
motherboard.
※ 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.
1
3
JUSBV1
JUSBV2
1 1 3
3
1
Pin 1-2 Close:
Normal Operation (Default).
3
1
3
1
Pin 2-3 Close:
Clear CMOS data.
A770E3+
1 3
Pin 1-2 close
1 3
Pin 2-3 close
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