Intel BOXD865PERL Product Specification - Page 47

Power Connector, 13.2.2, Fan Connectors, CAUTION

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Product Description ✏ NOTE The use of Resume on Ring and Wake from USB technologies from an ACPI state requires an operating system that provides full ACPI support. 1.13.2.1 Power Connector ATX12V-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 power connector locations The power connector signal names The BIOS Setup program's Boot menu The ATX specification Refer to Figure 21, page 65 Table 33, page 67 and Table 30, page 66 Table 73, page 118 Section 1.4, page 17 1.13.2.2 Fan Connectors CAUTION The processor fan must be connected to the processor fan connector, not to a chassis fan connector. Connecting the processor fan to a chassis fan connector may result in onboard component damage that will halt fan operation. Table 12 summarizes the fan connector function/operation. Table 12. Fan Connector Function/Operation Connector Description Processor fan Front and rear chassis fans Voltage regulator 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. • Wired to a fan tachometer input of the hardware monitoring and fan control ASIC. • Closed-loop fan control that can adjust the fan speed or switch the fan on or off as needed. (Optional) • +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. • Wired to a fan tachometer input of the hardware monitoring and fan control ASIC. • Closed-loop fan control that can adjust the fan speed or switch the fan on or off as needed. • +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. • Wired to a fan tachometer input of the hardware monitoring and fan control ASIC. 47

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Product Description
47
✏
NOTE
The use of Resume on Ring and Wake from USB technologies from an ACPI state requires an
operating system that provides full ACPI support.
1.13.2.1
Power Connector
ATX12V-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 power connector locations
Figure 21, page 65
The power connector signal names
Table 33, page 67 and Table 30, page 66
The BIOS Setup program
’
s Boot menu
Table 73, page 118
The ATX specification
Section 1.4, page 17
1.13.2.2
Fan Connectors
CAUTION
The processor fan must be connected to the processor fan connector, not to a chassis fan
connector.
Connecting the processor fan to a chassis fan connector may result in onboard
component damage that will halt fan operation.
Table 12 summarizes the fan connector function/operation.
Table 12.
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.
•
Wired to a fan tachometer input of the hardware monitoring and fan control ASIC.
•
Closed-loop fan control that can adjust the fan speed or switch the fan on or off as
needed.
(Optional)
Front and rear
chassis fans
•
+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.
•
Wired to a fan tachometer input of the hardware monitoring and fan control ASIC.
•
Closed-loop fan control that can adjust the fan speed or switch the fan on or off as
needed.
Voltage regulator
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.
•
Wired to a fan tachometer input of the hardware monitoring and fan control ASIC.