Intel D975XBX2 Product Specification - Page 37

Hardware Management Subsystem - compatible processors

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Product Description 1.11.5 LAN Subsystem Software LAN software and drivers are available from Intel's World Wide Web site. For information about Obtaining LAN software and drivers Refer to Section 1.2, page 17 1.12 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 • Support for Product Environmental Control Interface (PECI) 1.12.1 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 headers and sensors for thermal monitoring Refer to Figure 13, page 38 37

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Product Description
37
1.11.5
LAN Subsystem Software
LAN software and drivers are available from Intel’s World Wide Web site.
For information about
Refer to
Obtaining LAN software and drivers
Section 1.2, page 17
1.12
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
•
Support for Product Environmental Control Interface (PECI)
1.12.1
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 headers and sensors for thermal monitoring
Figure 13, page 38