ASRock IMB-150N [25/39] Cpu configuration

Intel SpeedStep Technology

Intel SpeedStep technology is Intel’s new power saving technology. Pro-

cessors can switch between multiple frequencies and voltage points to en-

able power saving. The default value is [Enabled]. Conguration options:

[Enabled] and [Disabled]. If you install Windows

8 / 8.1 and want to en-

able this function, please set this item to [Enabled]. This item will be hid-

den if the current CPU does not support Intel SpeedStep technology.

3.3.1 CPU Conguration

Please note that enabling this function may reduce CPU voltage and lead to system

stability or compatibility issues with some power supplies. Please set this item to

[Disabled] if above issues occur.

CPU C States Support

Enable CPU C States Support for power saving. It is recommended to

keep C3, C6 and C7 all enabled for better power saving.

Enhanced Halt State (C1E)

Enable Enhanced Halt State (C1E) for lower power consumption.

No-Execute Memory Protection

No-Execution (NX) Memory Protection Technology is an enhancement

to the IA-32 Intel Architecture. An IA-32 processor with “No Execute (NX)

Memory Protection” can prevent data pages from being used by malicious

software to execute codes. This option will be hidden if the current CPU

does not support No-Excute Memory Protection.

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.