Biostar P4TSV Description page 12

5V/ 5VSB Selection for USB: JUSBV1/ JUSBV2/JUSBV3_4
JUSBV1/JUSBV2/ Assignment
JUSBV3_4
1 3
Pin 1-2 close
1 3
Pin 2-3 close
Clear CMOS Jumper: JCMOS1
JCMOS1
1 3
Pin 1-2 Close
1 3
Pin 2-3 Close
※ Clear CMOS Procedures:
1. Remove AC power line.
2. Set the jumper to "Pin 1-2 Close".
3. Wait for five seconds.
4. Set the jumper to "Pin 2-3 Close".
5. Power on the AC.
6. Reset your desired password or clear the CMOS data.
Case Open Connector: JCL1
2
1
JCL1
5V JUSBV1 for JUSB1 port
+5V
5V JUSBV2 for JRJ45USB1 port
5V JUSBV3_4 for JUSB2/3 ports
JUSBV1 5V standby to power on
+5V_SB
JUSBV2 5V standby to power on
JRJ45USBV1 port
JUSBV3_4 5V standby to power on
Assignment
Normal Operation (default)
Clear CMOS Data
Assignment
Pin
Case Open Signal
1
2
10
Description
JUSB1 port
JUSB2/3 ports
Ground