Asus P6-P5G41E - Manual (Page 33)

3-4 Chapter 3: Motherboard info
2. USB device wake-up (3-pin USBPW1-4, USBPW5-6)
Set these jumpers to +5V to wake up the computer from S1 sleep mode
(CPU stopped, DRAM refreshed, system running in low power mode) using
the connected USB devices. Set these jumpers to +5VSB to wake up the
compurer from S3 and S4 sleep modes (no power to CPU, DRAM in slow
refresh, power supply in reduced power mode).
P5QPL10T
P5QPL10T USB Device Wake Up
USBPW5-6
2 1 2 3
+5V +5VSB
(Default)
2 1 2 3
+5V
(Default)
+5VSB
USBPW1-4