Asus MOTHERBOARD K8N-E - Manual (Page 40)

2-18 Chapter 2: Hardware information
2. USB device wake-up
(3-pin USBPW12, USBPW34, USBPW56, USBPW78)
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 to +5VSB to wake up
from S3 and S4 sleep modes (no power to CPU, DRAM in slow
refresh, power supply in reduced power mode).
• The USB device wake-up feature requires a power supply that can
provide 500mA on the +5VSB lead for each USB port. Otherwise,
the system would not power up.
• The total current consumed must NOT exceed the power supply
capability (+5VSB) whether under normal condition or in sleep
mode.
K8V-E
®
K8N-E USB Device Wake Up
3 2 2 1
+5V
(Default)
+5VSB
USBPW56
USBPW78
3 2 2 1
+5V
(Default)
+5VSB
USBPW12
USBPW34