Resume On Ring; Wake From Usb; Wake From Ps/2 Keyboard/Mouse; Pme# Wakeup Support - Intel D845GEBV2 - Desktop Board Motherboard Product Manual

Intel Desktop Board D845GERG2/D845GEBV2 Product Guide

Resume on Ring

The operation of Resume on Ring can be summarized as follows:
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Resumes operation from either ACPI S1 or ACPI S3 state
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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

USB bus activity wakes the computer from an ACPI S1 or S3 state.
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NOTE
Wake from USB requires the use of a USB peripheral that supports Wake from USB.

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.

Speaker

A speaker is mounted on the desktop board. The speaker provides audible error code (beep code)
information during the Power-On Self-Test (POST).

Battery

A battery on the desktop board keeps the values in CMOS RAM and the clock current when the
computer is turned off. See Chapter 2 starting on page 21 for instructions on how to replace the
battery.

Real-Time Clock

The desktop board has a time-of-day clock and 100-year calendar. A battery on the desktop board
keeps the clock current when the computer is turned off.
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