Biostar I945G-M7 Owner's Manual

Page of 86
Motherboard Manual 
14 
JUSB3/JUSB4: 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.
 
 
Pin
 
Assignment 
1 +5V 
(fused) 
2 +5V 
(fused) 
3 USB- 
4 USB- 
5 USB+ 
6 USB+ 
7 Ground 
8 Ground 
9 Key 
1
2
9
10
JUSB3  JUSB4
10
NC 
 
JKBV1: Power Source Header for PS/2 Keyboard and Mouse 
 
3
1
    Pin 1-2 Close 
(Default) 
 
+5V for PS/2 keyboard and 
mouse. 
1
3
 
 
3
1
    Pin 2-3 close 
 
PS/2 keyboard and mouse are 
powered by +5V standby 
voltage. 
Note:  
In order to support this function “Power-on system via keyboard and mouse”, “JKBV1” 
jumper cap should be placed on Pin 2-3.