Cpu Confi Guration - ASROCK Fatal1ty Z68 Professional Gen3 Series User Manual

3.4.1 CPU Configuration
Intel Hyper Threading Technology
To enable this feature, it requires a computer system with an Intel proces-
sor that supports Hyper-Threading technology and an operating system
that includes optimization for this technology, such as Microsoft® Win-
dows® XP / VistaTM / 7. Set to [Enabled] if using Microsoft® Windows®
XP, VistaTM, 7, or Linux kernel version 2.4.18 or higher. This option will be
hidden if the installed CPU does not support Hyper-Threading technology.
Active Processor Cores
Use this item to select the number of cores to enable in each processor
package. Confi guration options: [All], [1], [2] and [3]. The default value is
[All].
Hardware Prefetcher
Use this item to turn on/off the MLC streamer prefetcher.
Adjacent Cache Line Prefetch
Use this item to turn on/off prefetching of adjacent cache lines.
Enhance Halt State (C1E)
All processors support the Halt State (C1). The C1 state is supported
through the native processor instructions HLT and MWAIT and requires no
hardware support from the chipset. In the C1 power state, the processor
maintains the context of the system caches.
CPU C3 State Support
Use this to enable or disable CPU C3 (ACPI C2) report to OS.
CPU C6 State Support
Use this to enable or disable CPU C6 (ACPI C3) report to OS.
Package C State Support
Selected option will program into C State package limit register. The de-
fault value is [Auto].
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