Siemens Simatic IPC647C Operating Instructions Manual page 188

Detailed descriptions
16.5 BIOS Setup
Advanced menu > CPU Configuration
Figure 16-11 Submenu Advanced menu > CPU Configuration
Entry
C-States
P-States (IST)
Turbo Mode
CMP support
HT Support
Use XD Capability
VT Support
188
Meaning
Enable the power saving modes of the processor.
Enable the performance modes of the processor.
Enable or disable Turbo Modes.
Auto: Multi Core operation, if available

Disabled: Single Core operation

Auto: Use hyperthreading, if available.

Disabled: Hyperthreading disabled.

Enable or disable XD (Execute Disable) Capability.
Enable or disable virtualization functionality "Vanderpool
Technology".
Operating Instructions, 12/2010, A5E02669337-02
SIMATIC IPC647C