Asus P4G8X - Manual (Page 108)

5-4 Chapter 5: Software support
3. On the Device Manager window,
click the plus sign (+) opposite the
Network adapters item to show
the ASUSTeK/BroadCom 440x
10/100 Integrated Controller.
Double-click the item.
4. On the window that appears, click
the item Wake Up Capabilities
under Property. The default value
is Wake Up Frame.
The Wake Up Frame setting
wakes up the system from S1,
S3, and S4 sleep modes.
5. Click the arrow under Value to set
to Magic Frame. Click OK.
The Magic Frame setting wakes
up the system from S1, S3, S4
and S5 sleep modes.
If the BCM4401 LAN controller is onboard, the Wake-On-LAN feature
does NOT work on DOS mode.