Biostar NF500 AM2G Setup Manual page 17

JKBMSV1: Powe r Source Selection Heade rs for Keyboard/Mouse
Pin 1-2 Close:
JKBMSV1: +5V for PS/2 key board and mouse。
Pin 2-3 Close:
JKBMSV1: PS/2 keyboard and mouse are powered with +5V standby
v oltage.
JUSB2/JUSB3: Heade rs for USB 2.0 Ports at Front Panel
This header allows user to connect additional USB cable on the PC f ront panel,
and also can be connected with internal USB devices, like USB card reader.
NF500 AM2G / NF500 A M2L / NF500U A M2G
1
3
JUSB2 JU SB3
2
1 0
1 9
1
3
Pin 1-2 close
1
3
Pin 2-3 close
USB2 / USB3
Pin Assignment
1 +5V (fused)
2 +5V (fused)
3 USB-
4 USB-
5 USB+
6 USB+
7 Ground
8 Ground
9 Key
10 NC
15