Intel D2550DC2 Product guide for Intel Desktop Board D2550DC2 - Page 20

ACPI, Hardware Support, Fan Header, +5 V Standby Power Indicator

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Page 20 highlights

Intel Desktop Board D2550DC2 Product Guide 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 system fan header. See Figure 12 on page 37 for the location of the system 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 SO-DIMM sockets and the PCI bus connector, even though the computer appears to be off. 20

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Intel Desktop Board D2550DC2 Product Guide
20
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 system fan header.
See Figure 12 on page 37 for the
location of the system 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 SO-DIMM sockets and the PCI bus
connector, even though the computer appears to be off.