Foxconn 845GV4MR-ES - Manual (Page 5)

5
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.
4. USB Power Selection Jumper: JP3, JP4, JP5
+ 5 V _ S Y S
(Default)
1 1
+5V_SB
J P 4
J P 3
1 1
+5V_SB + 5 V _ S Y S
(Default)
J P 5
1 1
+5V_SB + 5 V _ S Y S
(Default)
N I C _ U S B
U S B
F _ U S B 1
for
for
for