Product Description 
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1.13.1.2  Wake-up Devices and Events 
Table 9 lists the devices or specific events that can wake the computer from specific 
states. 
Table 9.  Wake-up Devices and Events 
These devices/events can wake up the computer…  …from this state 
LAN   S1, S3, S4, S5 
(Note 1)
 
PME# signal  S1, S3, S4, S5 
(Note 1)
 
Power switch  S1, S3, S4, S5 
PS/2 devices  S1, S3, S5 
(Note 2)
 
RTC alarm  S3, S4, S5 
Serial port  S3 
USB  S3 
WAKE# signal  S1, S3, S4, S5 
Notes: 
1.  For LAN and PME# signal, S5 is disabled by default in the BIOS Setup program.  Setting this option to 
Power On will enable a wake-up event from LAN in the S5 state. 
2.  S5 wake from PS/2 is disabled by default. 
 
NOTE 
The use of these wake-up events from an ACPI state requires an operating system 
that provides full ACPI support.  In addition, software, drivers, and peripherals must 
fully support ACPI wake events.