Intel BLKD865GBF Specification page 57

1.13.2.6 Resume on Ring
The operation of Resume on Ring can be summarized as follows:
Resumes operation from ACPI S1 or S3 states
Detects incoming call similarly for external and internal modems
Requires modem interrupt be unmasked for correct operation
1.13.2.7 Wake from USB
USB bus activity wakes the computer from ACPI S1 or S3 states.
NOTE
Wake from USB requires the use of a USB peripheral that supports Wake from USB.
1.13.2.8 Wake from PS/2 Devices
PS/2 device activity wakes the computer from an ACPI S1 or S3 state.
1.13.2.9 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).
Product Description
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