ASRock H55M/USB3 R2.0 User Manual - Page 39

3.4.1CPU Configuration BIOS SETUP UTILITY Advanced Configure advanded CPU settings Intel (R) Core (TM) CPU 870 @ 2.93GHz Frequency :2.93GHz Cache L1 :128 KB Cache L2 :1024 KB Cache L3 :8192 KB Ratio Status:Unlocked (Min:09, Max:22) Ratio Actual Value:22 CPU Ratio Setting 20 [Auto] Enhanced Halt State [Disabled] Intel (R) Virtualization tech. [Enabled] CPU Thermal Throttling [Enabled] No-Excute Memory Protection [Disabled] Hyper Threading Technology [Enabled] Active Processor Cores [All] A20M [Disabled] Select the ration between CPU Core Clock and the FSB Frequency. +F1 F9 F10 ESC Select Screen Select Item Change Option General Help Load Defaults Save and Exit Exit v02.54 (C) Copyright 1985-2005, American Megatrends, Inc. CPU Ratio Setting If the ratio status is unlocked, you will find this item appear to allow you changing the ratio value of this motherboard. Enhance Halt State 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. Intel (R) Virtualization tech. When this option is set to [Enabled], a VMM (Virtual Machine Architecture) can utilize the additional hardware capabilities provided by Vanderpool Technology. This option will be hidden if the installed CPU does not support Intel (R) Virtualization Technology. CPU Thermal Throttling You may select [Enabled] to enable CPU internal thermal control mechanism to keep the CPU from overheated. No-Excute 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 code. This option will be hidden if the current CPU does not support No-Excute Memory Protection. 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 / VistaTM / 7. Set to [Enabled] if using Microsoft® Windows® XP / 39