Active Processor Cores; C1 Auto Demotion; C3 Auto Demotion; Clock Spread Spectrum - Silicon Graphics Octane III User Manual

How To Change the Configuration Data
Set to Enabled to use the Simultaneous Multi-Threading Technology, which will result in
increased CPU performance. The options are Disabled and Enabled.

Active Processor Cores

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

007-5633-001 33