Hardware Management Subsystem; Hardware Monitor Component; Fan Control And Monitoring - Intel D850MVSE Specification

1.13 Hardware Management Subsystem

The hardware management features enable the boards to be compatible with the Wired for
Management (WfM) specification. The board has several hardware management features,
including the following:

Fan control and monitoring

Thermal and voltage monitoring
For information about
The WfM specification

1.13.1 Hardware Monitor Component

The hardware monitor component provides low-cost instrumentation capabilities. The features of
the component include:
Internal ambient temperature sensing
Remote thermal diode sensing for direct monitoring of processor temperature
Power supply monitoring (+5 V, +3.3 V, +2.5 V, 3.3 VSB, and Vccp) to detect levels above or
below acceptable values
SMBus interface
1.13.2 Fan Control and Monitoring
The I/O controller provides two fan tachometer inputs. Monitoring and control can be
implemented using third-party software.
For information about
The functions of the fan connectors
The location of the fan connectors
The signal names of the fan connectors
Product Description
Refer to
Section 1.5, page 19
Refer to
Section 1.14.2.2, page 43
Figure 14, page 60
Section 2.8.2.3, page 60
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