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1.13.2.5 Wake from USB
USB bus activity wakes the computer from ACPI S1 and S3 state.
NOTE
Wake from USB requires the use of a USB peripheral that supports Wake from USB
and support in the OS.
1.13.2.6 PME# Signal Wake-up Support
When the PME# signal on the PCI bus is asserted, the computer wakes from an ACPI
S1, S3, S4, or S5 state (with Wake on PME enabled in BIOS).
1.13.2.7 WAKE# Signal Wake-up Support
When the WAKE# signal on the PCI Express bus is asserted, the computer wakes from
an ACPI S1, S3, S4, or S5 state.
1.13.2.8 +5 V Standby Power Indicator LED
The +5 V standby power indicator LED shows that power is still present even when the
computer appears to be off.
Figure 7 shows the location of the standby power
indicator LED.
CAUTION
If AC power has been switched off and the standby power indicator is still lit,
disconnect the power cord before installing or removing any devices connected to the
board. Failure to do so could damage the board and any attached devices.
Figure 7. Location of the Standby Power Indicator LED