Intel DH77EB Technical Product Specification - Page 32

Hardware Management Subsystem - fan control

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Intel Desktop Board DH77EB 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: • Thermal and voltage monitoring • Chassis intrusion detection 1.10.1 Hardware Monitoring The hardware monitoring and fan control subsystem is based on the Nuvoton 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, 3.3 Vstandby, V_SM, +VCCP, and PCH VCC • SMBus interface 1.10.2 Fan Monitoring Fan monitoring can be implemented using Intel® Desktop Utilities or third-party software. For information about The functions of the fan headers Refer to Section 1.11.2.2, page 37 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 Refer to Figure 10, page 45 32

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Intel Desktop Board DH77EB Technical Product Specification
32
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:
•
Thermal and voltage monitoring
•
Chassis intrusion detection
1.10.1
Hardware Monitoring
The hardware monitoring and fan control subsystem is based on the Nuvoton
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, 3.3 Vstandby, V_SM, +VCCP,
and
PCH V
CC
•
SMBus interface
1.10.2
Fan Monitoring
Fan monitoring can be implemented using Intel
®
Desktop Utilities or third-party
software.
For information about
Refer to
The functions of the fan headers
Section 1.11.2.2, page 37
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
Refer to
The location of the chassis intrusion header
Figure 10, page 45