18
2
USb device wake-up Jumper: USbPWR1 / USbPWR2
1. Set the jumper to pins 1-2 (+5V) to wake up the computer from S1 sleep mode using the
connected USB devices.
2. Set the jumper to pins 2-3 (+5VSB) to wake up the computer from S3 and S4 sleep modes
using the connected USB devices. At the same time, a corresponding setting must be set in
BIOS as below:
Set “CMOS Setup” -> “Power Management Setup” -> “USB Wake Up From S3” to “Enabled”.
USBPWR1/ USBPWR2
+5V
(Default)
1
2
3
+5VSB
1
2
3
■
USBPWR1 is for the internal USB connectors, USBPWR2 is for the rear USB ports.
■
The USB device wake-up feature requires a power supply that can provide 500mA
on +5VSB lead for each USB port; otherwise, the system will not power up.
■
The total current consumed must not exceed the power supply capability (+5VSB)
whether under normal condition or in sleep mode.
CA
UT
IO
N
!
■
Disconnect the power cable before adjusting the jumper settings.
■
Do not clear the CMOS while the system is turned on.
WA
RN
IN
G
!
