Intel D845GVFN Product Specification - Page 36

Power Connector, 13.2.2, Fan Connectors

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Intel Desktop Board D845GVFN Technical Product Specification 1.13.2.1 Power Connector ATX12V-, SFX12V-, and TFX12V-compliant power supplies can turn off the system power through system control. When an ACPI-enabled system receives the correct command, the power supply removes all non-standby voltages. When resuming from an AC power failure, the computer returns to the power state it was in before power was interrupted (on or off). The computer's response can be set using the Last Power State feature in the BIOS Setup program's Boot menu. For information about The location of the power connector The signal names of the power connector The ATX, SFX, and TFX12V specifications Refer to Figure 5, page 48 Table 27, page 50 Section 1.5, page 15 1.13.2.2 Fan Connectors Table 14 summarizes the function/operation of the fan connectors. Table 14. Fan Connector Function/Operation Connector Description Processor fan Front chassis fan Rear chassis fan • +12 V DC connection for a processor fan or active fan heatsink. • Fan is on in the S0 or S1 state. Fan is off when the system is off or in the S3, S4, or S5 state. • Option to wire the fan tachometer input to the I/O controller or the Hardware Monitoring and Fan Control ASIC. • +12 V DC connection for a system or chassis fan. • Fan is on in the S0 or S1 state. Fan is off when the system is off or in the S3, S4, or S5 state. • Option to wire the fan tachometer input to the Hardware Monitoring and Fan Control ASIC. • +12 V DC connection for a system or chassis fan. • Fan is on in the S0 or S1 state. Fan is off when the system is off or in the S3, S4, or S5 state. • Option to wire the fan tachometer input to the I/O controller or the Hardware Monitoring and Fan Control ASIC. 36

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Intel Desktop Board D845GVFN Technical Product Specification
36
1.13.2.1
Power Connector
ATX12V-, SFX12V-, and TFX12V-compliant power supplies can turn off the system power
through system control.
When an ACPI-enabled system receives the correct command, the power
supply removes all non-standby voltages.
When resuming from an AC power failure, the computer returns to the power state it was in before
power was interrupted (on or off).
The computer’s response can be set using the Last Power State
feature in the BIOS Setup program’s Boot menu.
For information about
Refer to
The location of the power connector
Figure 5, page 48
The signal names of the power connector
Table 27, page 50
The ATX, SFX, and TFX12V specifications
Section 1.5, page 15
1.13.2.2
Fan Connectors
Table 14 summarizes the function/operation of the fan connectors.
Table 14.
Fan Connector Function/Operation
Connector
Description
Processor fan
•
+12 V DC connection for a processor fan or active fan heatsink.
•
Fan is on in the S0 or S1 state.
Fan is off when the system is off or in the S3, S4, or S5 state.
•
Option to wire the fan tachometer input to the I/O controller or the Hardware
Monitoring and Fan Control ASIC.
Front chassis fan
•
+12 V DC connection for a system or chassis fan.
•
Fan is on in the S0 or S1 state.
Fan is off when the system is off or in the S3, S4, or S5 state.
•
Option to wire the fan tachometer input to the Hardware Monitoring and Fan
Control ASIC.
Rear chassis fan
•
+12 V DC connection for a system or chassis fan.
•
Fan is on in the S0 or S1 state.
Fan is off when the system is off or in the S3, S4, or S5 state.
•
Option to wire the fan tachometer input to the I/O controller or the Hardware
Monitoring and Fan Control ASIC.