2 wake-up devices and events – Intel D945GCLF2 User Manual

Page 31

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Product Description

31

1.13.1.2 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

LAN

S1, S3, S4, S5

(Note 1)

PME# signal

S1, S3, S4, S5

(Note 1)

Power switch

S1, S3, S4, S5

RTC alarm

S3, S4, S5

Serial port

S3

USB

S3

PS/2 devices

S1, S3, S4, S5 (Note 2)

Note 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.

Note 2: For PS/2 devices, if the computer is in an S4 or S5 state, only the key combination alt-PrtScn will

wake the computer.

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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