Intel DZ68BC Product Guide - Page 23

Hardware Monitoring and Fan Speed Control, Chassis Intrusion, Power Management, Software Support - power supply

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Desktop Board Features 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 • Smart fan control provided by the legacy I/O controller, delivering acoustically- optimized thermal management. Fan speed controllers and sensors are integrated into the legacy I/O controller. • A thermal sensor in the processor • Thermally monitored closed-loop fan control, for all onboard fans, that can adjust fan speed 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 24, D for the location of the chassis intrusion header. Power Management Power management is implemented at several levels, including software support through the Advanced Configuration and Power Interface (ACPI) and the following hardware support: • Power connectors • Fan headers • LAN wake capabilities • Instantly Available PC technology (Suspend to RAM) • Standby Power Indicator LED • Wake from USB • Power Management Event signal (PME#) wakeup support • WAKE# signal wake-up support • Wake from Consumer IR • Wake from serial port Software Support ACPI ACPI gives the operating system direct control over the power management and Plug and Play functions of a computer. The use of ACPI with the Desktop Board requires an operating system that provides full ACPI support. 23

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Desktop Board Features
23
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
•
Smart fan control provided by the legacy I/O controller, delivering acoustically-
optimized thermal management.
Fan speed controllers and sensors are integrated
into the legacy I/O controller.
•
A thermal sensor in the processor
•
Thermally monitored closed-loop fan control, for all onboard fans, that can adjust
fan speed
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 24, D
for the location of the chassis intrusion header.
Power Management
Power management is implemented at several levels, including software support
through the Advanced Configuration and Power Interface (ACPI) and the following
hardware support:
•
Power connectors
•
Fan headers
•
LAN wake capabilities
•
Instantly Available PC technology (Suspend to RAM)
•
Standby Power Indicator LED
•
Wake from USB
•
Power Management Event signal (PME#) wakeup support
•
WAKE# signal wake-up support
•
Wake from Consumer IR
•
Wake from serial port
Software Support
ACPI
ACPI gives the operating system direct control over the power management and Plug
and Play functions of a computer.
The use of ACPI with the Desktop Board requires an
operating system that provides full ACPI support.