Biostar TForce 550 SE User Manual page 18

Motherboard Manual
JUSB1/JUSB2: Headers for USB 2.0 Ports at Front Panel
This header allows user to connect additional USB cable on the PC front panel,
and also can be connected with internal USB devices, like USB card reader.
JUSBV1/JUSBV2/JKBMSV1: Power Source Headers for USB Ports
Pin 1-2 Close:
JUSBV1: +5V for USB ports at front panel (JUSB1/JUSB2).
JUSBV2: +5V for USB ports at JUSBLAN1, JUSB3 / JUSB4.
JKBMSV1: 5V for PS/2 keyboard and mouse.
Pin 2-3 Close:
JUSBV1: USB ports at front panel (JUSB1/JUSB2) are powered by +5V
standby voltage.
JUSBV2: USB ports at JUSBLAN1, JUSB3 / JUSB4 are powered by +5V
standby voltage.
JKBMSV1: PS/2 mouse and keyboard are powered with +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
Pin
1
2
2 10
3
4
5
1 9
6
7
8
9
JKBMSV1
3
JUSBV2
1
JUSBV1
1 3
Assignment
+5V (fused)
+5V (fused)
USB-
USB-
USB+
USB+
Ground
Ground
Key
1 3
3
1
Pin 1-2 close
1
3
3
1
Pin 2-3 close