Silicon Graphics Altix XE340 User Manual page 45

How To Change the Configuration Data
Set to Enabled to use a processor's Second Core and beyond. (Please refer to Intel's web site for
more information.) The options are All, 1 and 2.
Intel® EIST Technology
EIST (Enhanced Intel SpeedStep Technology) allows the system to automatically adjust processor
voltage and core frequency in an effort to reduce power consumption and heat dissipation. Check
with your SGI sales or service representative for more information on using this option in SGI
systems and clusters. The options are Disable (Disable GV3) and Enable (Enable GV3).
Intel® TurboMode Technology
Select Enabled to use the Turbo Mode to boost system performance. The options are Enabled and
Disabled.
Intel® C-STATE Tech
If enabled, C-State is set by the system automatically to either C2, C3 or C4 state. The options are
Disabled and Enabled.
C-State package limit setting
If set to Auto, the AMI BIOS will automatically set the limit on the C-State package register. The
options are Auto, C1, C3, C6 and C7.
C1 Auto Demotion
When enabled, the CPU will conditionally demote C3, C6 or C7 requests to C1 based on un-core
auto-demote information. The options are Disabled and Enabled.
C3 Auto Demotion
When enabled, the CPU will conditionally demote C6 or C7 requests to C3 based on un-core
auto-demote information. The options are Disabled and Enabled.
Clock Spread Spectrum
Select Enable to use the feature of Clock Spectrum, which will allow the BIOS to monitor and
attempt to reduce the level of Electromagnetic Interference caused by the components whenever
needed. The options are Disabled and Enabled.
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