Product Description
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1.14.1.2.2 Wake-up Devices and Events
Table 11 lists the devices or specific events that can wake the computer from specific states.
Table 11. Wake-up Devices and Events
These devices/events can wake up the computer… …from this state
Power switch S1, S3, S4, S5
RTC alarm S1, S3, S4, S5
LAN S1, S3, S4, S5
(Note)
CNR S1, S3, S4, S5
(Note)
PME# S1, S3, S4, S5
(Note)
Modem (back panel serial port A) S1, S3
USB S1, S3
PS/2 keyboard S1, S3
Note: For LAN, CNR, and PME#, 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.
✏
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.
1.14.1.2.3 Plug and Play
In addition to power management, ACPI provides control information so that operating systems
can facilitate Plug and Play. ACPI is used only to configure devices that do not use other hardware
configuration standards. PCI devices, for example, are not configured by ACPI.
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