Foxconn 845GV4MR-ES Easy Installation Manual page 5

4. USB Power Selection Jumper: JP3, JP4, JP5
The motherboard uses JP3, JP4, JP5 jumper to select USB power. JP3 is for USB,
JP4 is for NIC_USB, JP5 is for Front USB (F_USB1). Pin 1 and 2 together (default)
select +5V_SYS power, which not supports USB device wake up function. Pin 2
and 3 together select +5V_SB, which supports USB device wake up function.
1 1
for
+5V_SYS +5V_SB
(Default)
J P 4
1 1
+5V_SYS
+5V_SB
(Default)
J P 3
1 1
+5V_SB
+5V_SYS
(Default)
J P 5
5
N I C _ U S B
for
U S B
for
F _ U S B 1