Biostar P31-A7 Setup Manual page 18

Motherboard Manual
JSPDIF_OUT1: Digital Audio-out Connector (Optional)
This connector allows user to connect the PCI bracket SPDIF output header.
JUSBV1/JUSBV2: Power Source Headers for USB Ports
Pin 1-2 Close:
JUSBV1: +5V for USB ports at JUSB1/JRJ45USB1.
JUSBV2: +5V for USB ports at front panel (JUSB3/JUSB4).
Pin 2-3 Close:
JUSBV1: USB ports at JUSB1/JRJ45USB1 are powered by +5V standby
voltage.
JUSBV2: USB ports at front panel (JUSB3/JUSB4) are powered by +5V
standby voltage.
Note:
In order to support this function "Power-On system via USB device," "JUSBV1/ JUSBV2"
jumper cap should be placed on Pin 2-3 individually.
16
3 1
JUSBV1
1
3
JUSBV2
1 3
Pin Assignment
1 +5V
2 SPDIF_OUT
3 Ground
1
3
Pin 1-2 close
1
3
Pin 2-3 close