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Intel D975XBX User Manual

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Intel Desktop Board D975XBX Product Guide

20

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CR3J1

Figure 3. Location of Standby Power Indicator

Related Links

For more information on standby current requirements for the desktop board, go to the link below,
select the desktop board name, and then select Technical Documentation:

http://developer.intel.com/design/motherbd/

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.