User`s manual

P4M80-M4
15
JUSB3/JUSB4: Front USB Headers
This motherboard provides 2 USB 2.0 headers, which 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
PU
1
2
9
10
JUSB4
JUSB3
10 NC
JUSBV1/JUSBV2: Power Source Headers for USB Ports (optional, Ver. 1.0 only)
Pin 1-2 Close:
JUSBV1: +5V for USB ports at JUSB1 and JUSBLAN1.
JUSBV2: +5V for USB ports at front panel (JUSB2/JUSB3).
Pin 2-3 Close:
JUSBV1: USB ports at JUSB1 and JUSBLAN1 are powered by +5V
standby voltage.
JUSBV2: USB ports at front panel (JUSB2/JUSB3) are powered by +5V
standby voltage.
1
3
1
3
Pin 1-2 close (Default)
PU
JUSBV1
3
1
JUSBV2
3
1
1
3
1
3
Pin 2-3 close
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.