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ACPI Features
ACPI stands for Advanced Configuration and Power Interface. The ACPI specifica-
tion defines a flexible and abstract hardware interface that provides a standard
way to integrate power management features throughout a system, including
hardware, operating system, and application software. This enables the system to
automatically turn on and off peripherals such as CD-ROMs, network cards, hard
disk drives, and printers.
In addition to enabling operating-system-directed power management, ACPI also
provides a generic system event mechanism for Plug-and-Play, and an operating
system-independent interface for configuration control. ACPI leverages the Plug and
Play BIOS data structures, while providing a processor-architecture-independent
implementation that is compatible with Windows 8/R2, Windows 2012/R2 operat-
ing systems.
Slow Blinking LED for Suspend-State Indicator
When the CPU goes into a suspend state, the chassis power LED will start blinking
to indicate that the CPU is in suspend mode. When the user presses any key, the
CPU will "wake up" and the LED will automatically stop blinking and remain on.
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Power Supply
As with all computer products, a stable power source is necessary for proper and
reliable operation. It is even more important for processors that have high CPU
clock rates.
The X9DRW-CF31/X9DRW-CTF31 motherboard accommodates 24-pin ATX power
supplies. Although most power supplies generally meet the specifications required
by the CPU, some are inadequate. In addition, two 12V 8-pin power connections
(JPW2/JPW3) are also required to ensure adequate power supply to the system.
Your power supply must also supply 1.5A for the Ethernet ports.
Warning: To avoid damaging your motherboard and components, please use a power
supply that supports a 24-pin and two 8-pin power connectors. Be sure to connect all
power connectors to your power supply for adequate power delivery to your system.
It is strongly recommended that you use a high quality power supply that meets ATX
power supply Specification 2.02 or above. It must also be SSI compliant. (For more
information, please refer to the website at http://www.ssiforum.org/). Additionally, in
areas where noisy power transmission is present, you may choose to install a line
filter to shield the computer from noise. It is recommended that you also install a
power surge protector to help avoid problems caused by power surges.
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Chapter 1: Overview
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