2
16
USB device wake-up Jumpers: USBPWR1 / USBPWR2 / USBPWR3/ USBPWR4
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 “Power Management Setup” -> “Resume by USB Devices” to “Enabled”.
■
USBPWR2 / USBPWR3 is for the internal USB connectors, USBPWR1/ USBPWR4
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
!
USBPWR1/2/3/4
+5V
(Default)
1
2
3
+5VSB
1
2
3
