Intel D848PMB Technical Product Specification - Page 35

Power Management - drivers video

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Product Description 1.11.3 Fan Monitoring Fan monitoring can be implemented using Intel® Active Monitor, LANDesk* software, or thirdparty software. The level of monitoring and control is dependent on the hardware monitoring ASIC used with the Desktop Board. For information about The functions of the fan connectors Refer to Section 1.12.2.2, page 39 1.11.4 Chassis Intrusion and Detection The Desktop Board D848PMB 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 connector. When the chassis cover is removed, the mechanical switch is in the closed position. 1.12 Power Management Power management is implemented at several levels, including: • Software support through Advanced Configuration and Power Interface (ACPI) • Hardware support:  Power connector  Fan connectors  LAN wake capabilities  Instantly Available PC technology  Resume on Ring  Wake from USB  Wake from PS/2 devices  Power Management Event signal (PME#) wake-up support 1.12.1 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 D848PMB requires an operating system that provides full ACPI support. ACPI features include: • Plug and Play (including bus and device enumeration) • Power management control of individual devices, add-in boards (some add-in boards may require an ACPI-aware driver), video displays, and hard disk drives • Methods for achieving less than 15-watt system operation in the power-on/standby sleeping state • A Soft-off feature that enables the operating system to power-off the computer • Support for multiple wake-up events (see Table 10 on page 37) • Support for a front panel power and sleep mode switch 35

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Product Description
35
1.11.3
Fan Monitoring
Fan monitoring can be implemented using Intel
®
Active Monitor, LANDesk* software, or third-
party software.
The level of monitoring and control is dependent on the hardware monitoring
ASIC used with the Desktop Board.
For information about
Refer to
The functions of the fan connectors
Section 1.12.2.2, page 39
1.11.4
Chassis Intrusion and Detection
The Desktop Board D848PMB 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 connector.
When the chassis cover is removed, the mechanical switch is in the
closed position.
1.12 Power Management
Power management is implemented at several levels, including:
•
Software support through Advanced Configuration and Power Interface (ACPI)
•
Hardware support:
Power connector
Fan connectors
LAN wake capabilities
Instantly Available PC technology
Resume on Ring
Wake from USB
Wake from PS/2 devices
Power Management Event signal (PME#) wake-up support
1.12.1
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 D848PMB requires an
operating system that provides full ACPI support.
ACPI features include:
•
Plug and Play (including bus and device enumeration)
•
Power management control of individual devices, add-in boards (some add-in boards may
require an ACPI-aware driver), video displays, and hard disk drives
•
Methods for achieving less than 15-watt system operation in the power-on/standby
sleeping state
•
A Soft-off feature that enables the operating system to power-off the computer
•
Support for multiple wake-up events (see Table 10 on page 37)
•
Support for a front panel power and sleep mode switch