Intel D525MW Product Guide - Page 19

Power Management Features, ACPI, Hardware Support - does not power failure

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Desktop Board Features Power Management Features Power management is implemented at several levels, including: • Software support through the Advanced Configuration and Power Interface (ACPI) • Hardware support: ― Power connector ― Fan header ― +5 V standby power indicator LED ― LAN Wake capabilities ― Instantly Available PC technology ― Wake from USB ― Wake from PS/2 devices ― PME# wakeup support ― WAKE# signal wakeup support ― Wake from serial port 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. Hardware Support Fan Header The Desktop Board has a 3-pin chassis fan header. See Figure 13 on page 37 for the location of the chassis fan header. +5 V Standby Power Indicator CAUTION If the AC power has been switched off and the standby power indicator is still lit, disconnect the power cord before installing or removing any devices connected to the board. Failure to do so could damage the board and any attached devices. The Desktop Board's standby power indicator, shown in Figure 4, is lit when there is standby power to the system. This includes the DIMM sockets and the PCI bus connector, even though the computer appears to be off. 19

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Desktop Board Features
19
Power Management Features
Power management is implemented at several levels, including:
•
Software support through the Advanced Configuration and Power Interface (ACPI)
•
Hardware support:
―
Power connector
―
Fan header
―
+5 V standby power indicator LED
―
LAN Wake capabilities
―
Instantly Available PC technology
―
Wake from USB
―
Wake from PS/2 devices
―
PME# wakeup support
―
WAKE# signal wakeup support
―
Wake from serial port
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.
Hardware Support
Fan Header
The Desktop Board has a 3-pin chassis fan header.
See Figure 13 on page 37 for the
location of the chassis fan header.
+5 V Standby Power Indicator
CAUTION
If the AC power has been switched off and the standby power indicator is still lit,
disconnect the power cord before installing or removing any devices connected to the
board.
Failure to do so could damage the board and any attached devices.
The Desktop Board’s standby power indicator, shown in Figure 4, is lit when there is
standby power to the system.
This includes the DIMM sockets and the PCI bus
connector, even though the computer appears to be off.