Intel DQ77KB Technical Product Specification - Page 36

Hardware Management Subsystem

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Intel Desktop Board DQ77KB Technical Product Specification Table 10 describes the LED states when the board is powered up and the LAN subsystem is operating. Table 10. LAN Connector LED States LED Link Data Rate LED Color Green Green/Yellow LED State Off On Blinking Off Green Yellow Condition LAN link is not established. LAN link is established. LAN activity is occurring. 10 Mb/s data rate is selected. 100 Mb/s data rate is selected. 1000 Mb/s data rate is selected. 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 NCT6776D 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 1.12.2.1, page 46 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 14, page 53 36

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Intel Desktop Board DQ77KB Technical Product Specification
36
Table 10 describes the LED states when the board is powered up and the LAN
subsystem is operating.
Table 10.
LAN Connector LED States
LED
LED Color
LED State
Condition
Link
Green
Off
LAN link is not established.
On
LAN link is established.
Blinking
LAN activity is occurring.
Data Rate
Green/Yellow
Off
10 Mb/s data rate is selected.
Green
100 Mb/s data rate is selected.
Yellow
1000 Mb/s data rate is selected.
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
NCT6776D 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 1.12.2.1, page 46
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 14, page 53