Intel D975XBX - page 20

Intel Desktop Board D975XBX Product Guide
20
OM18178
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.