Hardware Management; Power Connectors; Fan Connectors; Resume On Ring - Intel D845GBV Product Manual

Desktop boards
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CAUTION
Power supplies used with this board must be able to provide enough standby current to support the
standard 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 Intel desktop board may lose register settings stored in memory.
For more information on standby current requirements for these desktop boards, refer to the TPS
by selecting the Technical Documentation link at:
http://developer.intel.com/design/motherbd/

Hardware Management

Power connectors

Fan connectors

Resume on Ring

Wake from USB

Wake from PS/2 keyboard/mouse
PME# wakeup support
Power Connectors
Desktop Boards D845GRG and D845GBV have two power connectors. See Figure 15 on page 66
for the location of the power connectors.
Fan Connectors
Desktop Boards D845GRG and D845GBV have two chassis fan connectors and one processor fan
connector. See Figure 15 on page 66 for the location of the fan connectors.
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
USB bus activity wakes the computer from an ACPI S1 or S3 state.
NOTE
Wake from USB requires the use of a USB peripheral that supports Wake from USB.
Desktop Board Features
19

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