1-12
X9SRL Motherboard Series User’s Manual
It is strongly recommended that you use a high quality power supply that meets ATX
powersupplySpecication2.02orabove.ItmustalsobeSSIcompliant.(Formore
information, please refer to the web site at http://www.ssiforum.org/). Additionally, in
areas where noisy power transmission is present, you may choose to install a line
ltertoshieldthecomputerfromnoise.Itisrecommendedthatyoualsoinstalla
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 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 higher speed modems.
TheSuperI/OprovidesfunctionsthatcomplywithACPI(AdvancedConguration
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 (-F Models Only)
Intel
®
Intelligent Power Node Manager (NM)
The Intel
®
Intelligent Power Node Manager (IPNM) provides your system with
real-timethermalcontrolandpowermanagementformaximumenergyefciency.
AlthoughIPNMSpecicationVersion1.5issupportedbytheBMC(Baseboard
Management Controller), your system must also have IPNM-compatible Manage-
abilityEngine(ME)rmwareinstalledtousethisfeature.
Manageability Engine (ME)
The Manageability Engine, which is an ARC controller embedded in the IOH (I/O
Hub), provides Server Platform Services (SPS) to your system. The services
provided by SPS are different from those proveded by the ME on client platforms.
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