25
2
Hardware Installation
JP3 and JP4 are used to select the power of the USB por ts.
Selecting 5V_standby will allow you to use the USB keyboard or
USB mouse to wake up the system.
BIOS Setting
“USB KB Wake-Up From S3” in the Power Management Setup
submenu of the BIOS must be set to Enabled. Refer to chapter 3
for more information.
Important:
If you are using the Wake-On-USB Keyboard/Mouse function for
2 USB ports, the 5V_standby power source of your power sup-
ply must support
≥
1.5A. For 3 or more USB ports, the
5V_standby power source of your power supply must support
≥
2A.
USB Power Select
A
B
C
1
Intel
ICH7R
BIOS
X
USB 4-7
(JP3)
1-2 On: 5V
(default)
2-3 On:
5V_standby
X
USB 0-3
(JP4)
1-2 On: 5V
(default)
2-3 On:
5V_standby
3
1
2
3
1
2
3
1
2
3
1
2
