1.10 Hardware Management Subsystem; Hardware Monitoring And Fan Control; Fan Monitoring; Chassis Intrusion And Detection - Intel DZ77BH-55K Specification

Intel Desktop Board DZ77BH-55K Technical Product Specification

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
•
Thermal and voltage monitoring
•
Chassis intrusion detection
•
1.10.1

Hardware Monitoring and Fan Control

The hardware monitoring and fan control subsystem is based on the Winbond*
W83677HG-I device, which supports the following:
Processor and system ambient temperature monitoring
•
Chassis fan speed monitoring
•
Power monitoring of +12 V, +5 V, +3.3 V, V_SM, +V
•
SMBus interface
•
1.10.2

Fan Monitoring

Fan monitoring can be implemented using Intel
software.
For information about
The functions of the fan headers
1.10.3

Chassis Intrusion and Detection

The board supports a chassis security feature that detects if the chassis cover is
removed. The security feature uses a mechanical switch on the chassis that attaches
to the chassis intrusion header. When the chassis cover is removed, the mechanical
switch is in the closed position.
For information about
The location of the chassis intrusion header
32
, and PCH V
CCP
®
Desktop Control Center or third-party
Refer to
Section 1.11.2.2, page 38
Refer to
Figure 13, page 49
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