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you want to turn off the power, just depress and hold the power button for
4 seconds. This option can be set in the Power section of the BIOS Setup
routine.
External Modem Ring-On (WOR)
Wake-up events can be triggered by a device such as the external modem
ringing when the system is in the SoftOff state. Note that external modem
ring-on can only be used with an ATX 2.01 (or above) compliant power
supply.
1-6
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 X6DVL-EG2 accommodates ATX power supplies. Although most power
supplies generally meet the specifications required by the CPU, some are
inadequate. You should use one that will supply at least 400W of power. In
addition, a +12V, 8-pin CPU
configurations. Also your power supply must supply 1.5A for the Ethernet
ports.
NOTE: In addition to the 24-pin main power, a 12V 8-pin power con-
nector (PW2) is required to support Intel Xeon processors. See
Section 2-5 for details on connecting the power supply.
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 (info at http://www.ssiforum.org/).
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.
1-7
Super I/O
The disk drive adapter functions of the Super I/O chip include a floppy disk
drive controller that is compatible with industry standard 82077/765, a data
separator, write pre-compensation circuitry, decode logic, data rate selec-
tion, a clock generator, drive interface control logic and interrupt and DMA
logic.
The wide range of functions integrated onto the Super I/O greatly
power supply is also required for high-load
Additionally, in areas where
1-13
Chapter 1: Introduction
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