Biostar A770E3 Manuale Proprietario

JUSBV1: +5V for USB ports at F_USB1/F_USB2. 
JUSBV2: +5V for USB ports at USB1/RJ45USB1. 

JUSBV1: +5V STB for USB ports at F_USB1/F_USB2. 
JUSBV2: +5V STB for USB ports at USB1/RJ45USB1. 

1

3

 

Pin 1-2 close 

1

3

1

3

1

JUSBV1

JUSBV2

 

1

3

 

Pin 2-3 close 

Placing the jumper on pin2-3, it allows user to restore the BIOS safe setting and 
the CMOS data. Please carefully follow the procedures to avoid damaging the 
motherboard. 

 
 

1

3

 

Pin 1-2 Close: 
Normal Operation (Default). 

1

3

 

 
 

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3

 

Pin 2-3 Close: 
Clear CMOS data. 

※

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. 

Reset your desired password or clear the CMOS data.