Intel DX48BT2 Product Guide - Page 19

Hardware Management, Hardware Monitoring and Fan Speed Control, Chassis Intrusion - processors

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Desktop Board Features • Setting a user password restricts who can boot the computer. The password prompt is displayed before the computer is booted. If only the supervisor password is set, the computer boots without asking for a password. If both passwords are set, you can enter either password to boot the computer. Related Links: For instructions on resetting the password, go to Clearing Passwords on page 57. Hardware Management The hardware management features of Desktop Board DX48BT2 enable the board to be compatible with the Wired for Management (WfM) specification. The board has several hardware management features including the following: • Fan speed monitoring and control • Thermal and voltage monitoring • Chassis intrusion detection Hardware Monitoring and Fan Speed Control The features of the hardware monitoring and fan speed control include: • Monitoring of power supply voltages to detect levels above and below acceptable values • Intel® Precision Cooling Technology fan speed control, delivering acoustically- optimized thermal management • A thermal sensor in the processor • Thermally monitored closed-loop fan control, for all onboard fans, that can adjust fan speed or switch the fans off as needed Intel® Precision Cooling Technology Intel Precision Cooling Technology automatically adjust processor fan speed based on the processor temperature and adjusts chassis fan speeds based on the internal system temperature. Chassis Intrusion The board supports a chassis security feature that detects if the chassis cover has been removed. The security feature uses a mechanical switch on the chassis that can be connected to the chassis intrusion header on the Desktop Board. See Figure 27 for the location of the chassis intrusion header. 19

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Desktop Board Features
19
•
Setting a user password restricts who can boot the computer.
The password
prompt is displayed before the computer is booted.
If only the supervisor
password is set, the computer boots without asking for a password.
If both
passwords are set, you can enter either password to boot the computer.
Related Links:
For instructions on resetting the password, go to Clearing Passwords on page 57.
Hardware Management
The hardware management features of Desktop Board DX48BT2 enable the board to
be compatible with the Wired for Management (WfM) specification.
The board has
several hardware management features including the following:
•
Fan speed monitoring and control
•
Thermal and voltage monitoring
•
Chassis intrusion detection
Hardware Monitoring and Fan Speed Control
The features of the hardware monitoring and fan speed control include:
•
Monitoring of power supply voltages to detect levels above and below acceptable
values
•
Intel
®
Precision Cooling Technology fan speed control, delivering acoustically-
optimized thermal management
•
A thermal sensor in the processor
•
Thermally monitored closed-loop fan control, for all onboard fans, that can adjust
fan speed or switch the fans off as needed
Intel
®
Precision Cooling Technology
Intel Precision Cooling Technology automatically adjust processor fan speed based on
the processor temperature and adjusts chassis fan speeds based on the internal
system temperature.
Chassis Intrusion
The board supports a chassis security feature that detects if the chassis cover has
been removed.
The security feature uses a mechanical switch on the chassis that can
be connected to the chassis intrusion header on the Desktop Board.
See Figure 27 for
the location of the chassis intrusion header.