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X9DBU-3F/X9DBU-iF Motherboard User's Manual
It is strongly recommended that you use a high quality power supply that meets ATX
power supply Specifi cation 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
fi lter 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 Super I/O supports two high-speed, 16550 compatible serial communication
ports (UARTs). Each UART includes a 16-byte send/receive FIFO, a programmable
baud rate generator, complete modem control capability and a processor interrupt
system. Both UARTs provide legacy speed with baud rates 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 higher speed modems.
The Super I/O provides functions that comply with ACPI (Advanced Confi guration
and Power Interface), which includes support of legacy and ACPI power manage-
ment through an SMI or SCI function pin. It also features auto power management
to reduce power consumption.
1-8
Advanced Power Management
The new advanced power management features supported by this motherboard
include IPNM and ME. Please note that you will need to do following to use these
two new features:
•
Use a power supply that supports PMBus 1.1 or 1.2.
•
Install the NMView software in your system. NMView is optional and can be
purchased from Supermicro.
®
Intel
Intelligent Power Node Manager (IPNM)
®
The Intel
Intelligent Power Node Manager (IPNM) provides your system with
real-time thermal control and power management for maximum energy effi ciency.
Although IPNM is supported by the BMC (Baseboard Management Controller),
your system must also have IPNM-compatible Management Engine (ME) fi rmware
installed in your system for IPNM support.
Note: Support for IPNM Specifi cation Version 1.5 or Vision 2.0 depends
on the power supply used in the system.
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