ASROCK Fatal1ty P67 Professional User Manual download pdf (Page 70)

3.4.1 CPU Configuration

Intel Hyper Threading Technology

To enable this feature, it requires a computer system with an Intel

processor that supports Hyper-Threading technology and an operating

system that includes optimization for this technology, such as Microsoft

Windows

XP / Vista

/ 7. Set to [Enabled] if using Microsoft

Windows

XP, Vista

, 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] and [2]. 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

default value is [Auto].

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ASROCK Fatal1ty P67 Professional User Manual Page 70