Product Description
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1.13.1.2 Wake-up Devices and Events
Table 10 lists the devices or specific events that can wake the computer from specific
states.
Table 11. Wake-up Devices and Events
Devices/events that wake up the system… …from this sleep state …from this global state
Power switch S3, S4, S5
(
Note 1)
G1, G2, G3
RTC alarm S3, S4, S5
(Note 1)
G1, G2
(Note 3)
LAN S3, S4, S5
(Note 1)
G1, G2
(Note 3)
USB S3 G1
WAKE# S3, S4, S5
(Note 1)
G1, G2
(Note 3)
Serial port S3 G1
Notes:
1. S4 implies operating system support only.
2. Wake from S4 and S5 is recommended by Microsoft.
3. Wake from device/event not supported immediately upon return from AC loss.
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.
1.13.2 Hardware Support
The board provides several power management hardware features, including:
• Instantly Available PC technology
• Fan headers
• LAN wake capabilities
• Wake from USB
• WAKE# signal wake-up support
• Wake from serial port
• Wake from Power Button signal
• Standby Power Indicator LED
NOTE
The use of Wake from USB from an ACPI state requires an operating system that
provides full ACPI support.
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