Product Description
33
1.16.1.2 Wake-up Devices and Events
Table 8 lists the devices or specific events that can wake the computer from specific
states.
Table 8. Wake-up Devices and Events
These devices/events can wake up the computer… …from this state
Power switch S3, S4, S5
RTC alarm S3, S4, S5
LAN S3, S4, S5
USB S3
PME# signal S3, S4, S5
WAKE# signal S3, S4, S5
Serial port S3
PS/2 S3, S4, S5
Notes:
• S4 implies operating system support only.
• USB ports are turned off during S4/S5 states.
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.
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