The bootable version of the Intel® Processor Identification Utility may not accurately reflect the status of Enhanced Halt State for desktop- and server-based Intel® Core™2 family processors. 

If Enhanced Halt State is expected, but displays as "Not Supported" within the bootable version of the utility, please run the Windows* version of the Intel Processor Identification Utility, which accurately reports the status of the Enhanced Halt State feature.

Operating System:

OS Independent

This applies to:

Intel® Core™2 Duo Desktop Processor Intel® Core™2 Extreme Processor Intel® Core™2 Quad Processor Intel® Processor Identification Utility Multi-Core Intel® Xeon® Processor 5000 Sequence