Product Description
37
1.11.1.2 Wake-up Devices and Events
Table 7 lists the devices or specific events that can wake the computer from specific states.
Table 7.
Wake-up Devices and Events
These devices/events can wake up the computer…
…from this state
LAN
S1, S3, S4, S5
(Note)
Modem (back panel Serial Port A)
S1, S3
PME# signal
S1, S3, S4, S5
(Note)
Power switch
S1, S3, S4, S5
PS/2 devices
S1, S3
RTC alarm
S1, S3, S4, S5
USB S1,
S3
WAKE# signal
S1, S3, S4, S5
Note:
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.
NOTES
•
The board does not support S3 Wake on LAN using IP ping with ASF enabled.
•
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.
1.11.2 Hardware
Support
CAUTION
Ensure that the power supply provides ad5 V standby current if LAN wake capabilities and
Instantly Available PC technology features are used. Failure to do so can damage the power
supply. The total amount of standby current required depends on the wake devices supported and
manufacturing options.
The board provides several power management hardware features, including:
•
Power connector
•
Fan connectors
•
LAN wake capabilities
•
Instantly Available PC technology
•
Resume on Ring
•
Wake from USB
•
Wake from PS/2 keyboard
•
PME# signal wake-up support
•
WAKE# signal wake-up support
LAN wake capabilities and Instantly Available PC technology require power from the +5 V
standby line.