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Intel Desktop Boards D815EEA2, D815EPEA2, D815EFV, and D815EPFV Product Guide
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OM11632
CR6F1
STR
LED
Figure 3. Location of Standby Power Indicator (the D815EEA2 Board Is Shown)
CAUTION
Power supplies used with the board must provide enough standby current to support the Instantly
Available (ACPI S3 sleep state) configuration. If the standby current necessary to support
multiple wake events from the PCI and/or USB buses exceeds power supply capacity, the board
may lose register settings stored in memory and may not awaken properly.
✏
NOTE
1.5 A of standby current is recommended. Refer to the Intel Desktop Board
D815EEA2/D815EPEA2 Technical Product Specification or Intel Desktop Board
D815EFV/D815EPFV Technical Product Specification for more information.
Resume on Ring
The operation of Resume on Ring can be summarized as follows:
• Resumes operation from either the APM sleep mode or the ACPI S1 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