Intel D925XHY D925XHY Technical Product Specification - Page 33

Hardware Management Subsystem

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Product Description 1.10 Hardware Management Subsystem The hardware management features enable the board to be compatible with the Wired for Management (WfM) specification. The board has several hardware management features, including the following: • Fan monitoring and control (through the hardware monitoring and fan control ASIC) • Thermal and voltage monitoring • Chassis intrusion detection 1.10.1 Hardware Monitoring and Fan Control ASIC The features of the hardware monitoring and fan control ASIC include: • Internal ambient temperature sensor • Two remote thermal diode sensors for direct monitoring of processor temperature and ambient temperature sensing • Power supply monitoring of five voltages (+5 V, +12 V, +3.3 VSB, +1.5 V, and +VCCP) to detect levels above or below acceptable values • Thermally monitored closed-loop fan control, for all three fans, that can adjust the fan speed or switch the fans on or off as needed • SMBus interface For information about The location of the fan connectors and sensors for thermal monitoring Refer to Figure 12, page 34 33

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Product Description
33
1.10 Hardware Management Subsystem
The hardware management features enable the board to be compatible with the Wired for
Management (WfM) specification.
The board has several hardware management features,
including the following:
•
Fan monitoring and control (through the hardware monitoring and fan control ASIC)
•
Thermal and voltage monitoring
•
Chassis intrusion detection
1.10.1
Hardware Monitoring and Fan Control ASIC
The features of the hardware monitoring and fan control ASIC include:
•
Internal ambient temperature sensor
•
Two remote thermal diode sensors for direct monitoring of processor temperature and ambient
temperature sensing
•
Power supply monitoring of five voltages (+5 V, +12 V, +3.3 VSB, +1.5 V, and +VCCP) to
detect levels above or below acceptable values
•
Thermally monitored closed-loop fan control, for all three fans, that can adjust the fan speed or
switch the fans on or off as needed
•
SMBus interface
For information about
Refer to
The location of the fan connectors and sensors for thermal monitoring
Figure 12, page 34