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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 where
noisy power transmission is present.
Warning: The X11SRi-IF motherboard accommodates an 8-pin ATX power supply. To avoid
damaging the power supply or the motherboard, be sure to connect the power supply using
the 8-pin power connector (JPWR1) on the motherboard. Failure in doing so may void the
manufacturer warranty on your power supply and motherboard.
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/).
1.7 Serial Header
The X11SRi-IF motherboard supports one serial communication connection. The COM header
can be used for input/output. The UART provides legacy speeds with a baud rate of up to
115.2 Kbps as well as an advanced speed with baud rates of 250 K, 500 K, or 1 Mb/s, which
support a high-speed serial communication device.
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Chapter 1: Introduction
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