User`s manual

P4M890-M7 SE
15
JUSB2/JUSB3: Headers 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.
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
JUSB2
JUSB3
10 NC
JUSBV1/JUSB V2: Powe r Source Heade rs for USB Ports
Pin 1-2 Close:
JUSBV1: +5V for USB ports at JUSB1/JUSBLAN1.
JUSBV2: +5V for USB ports at f ront panel (JUSB2/JUSB3).
Pin 2-3 Close:
JUSBV1: USB ports at JUSB1/JUSBLAN1 are powered by +5V standby
v oltage.
JUSBV2: USB ports at front panel (JUSB2/JUSB3) are powered by +5V
standby v oltage.
31
Pin 1-2 close
13
JUSBV1
JUSBV2
13
3
1
Pin 2-3 close
Note:
In order to support this f unction “Power-On syst em vi a USB devic e,” “JUSBV1/ JUSBV2”
jumper cap should be plac ed on Pin 2-3 indi viduall y.