Asus Z9PR-D12 User Guide - Page 74
Limit CPUID Maximum [Disabled], Active Processor Cores [All]
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Socket 1 CPU Information Enter to view the CPU Information. Aptio Setup Utility - Copyright (C) 2011 American Megatrends, Inc. Advanced Socket 1 CPU Information Genuine Intel(R) CPU @ 2.60GHz CPU Signature Microcode Patch Max CPU Speed Min CPU Speed Processor Cores Intel HT Technology Intel VT-X Technology Intel SMX Technology L1 Data Cache L1 Code Cache L2 Cache L3 Cache 206d5 513 2600 MHz 1200 MHz 8 Supported Supported Supported 32kB x8 32kB x8 256kB x8 20480 kB →←: Select Screen ↑↓: Select Item Enter: Select Item +/-: Change Opt. F1: General Help F2: Previous Values F5: Optimized Defaults F10: Save & Exit ESC: Exit Version 2.14.1219. Copyright (C) 2011 American Megatrends, Inc. Hyper Threading [Enabled] Allows you to enable or disable the Intel Hyper-Threading Technology function. When disabled, only one thread per activated core is enabled. Configuration options: [Disabled] [Enabled] Active Processor Cores [All] Configuration options: [All] [1] [2] [4] [6] Configuration code numbers vary with CPU models. Limit CPUID Maximum [Disabled] Setting this item to [Enabled] allows legacy operating system to boot even without support for CPUs with extended CPUID functions. Configuration options: [Disabled] [Enabled] Execute Disable Bit [Enabled] XP can prevent certain classes of malicious buffer overflow attacks when combined with a supporting OS (Windows Server 2003 SP1, Windows XP SP2, SuSE Linux 9.2, Redhat Enterprise 3 Update 3). Configuration options: [Disabled] [Enabled] Server Class [Custom] Use Intel recommended prefetch settings. Configuration options: [Enterprise] [High Performance(HPC)] [Custom] Hardware Prefetcher [Enabled] This Item allows you to turn on/off the mid level cache(L2) streamer prefetcher. Configuration options: [Disabled] [Enabled] 4-12 Chapter 4: BIOS setup