Intel Desktop Board D975XBX2 Product Guide

Resume on Ring

The operation of Resume on Ring can be summarized as follows:

Resumes operation from either ACPI S1 or ACPI S3 state

Requires only one call to access the computer

Detects incoming call similarly for external and internal modems

Requires modem interrupt be unmasked for correct operation

Wake from USB

NOTE

Wake from USB requires the use of a USB peripheral that supports Wake from USB.

USB bus activity wakes the computer from an ACPI S1 or S3 state.

Wake from PS/2* Keyboard/Mouse

PS/2 keyboard/mouse activity wakes the computer from an ACPI S1 or S3 state.

PME# Wakeup Support

When the PME# signal on the PCI bus is asserted, the computer wakes from an ACPI S1, S3, or S5 state.

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Intel D975XBX2 manual Resume on Ring, Wake from USB, Wake from PS/2* Keyboard/Mouse, PME# Wakeup Support