Foxconn Rattler User manual - Page 49

CPU Configuration Aptio Setup Utility - Copyright (C) 2010 American Megatrends, Inc. Quantum BIOQSuantum BIOS CPU Configuration Genuine Intel(R) CPU 0 @ 3.00GHz Processor Stepping Microcode Revision Max Processor Speed Min Processor Speed Processor Speed Processor Cores Intel HT Technology EMT64 206a3 8 3000 MHz 1600 MHz 2200 MHz 4 Supported Supported Enabled for Windows XP and Linux(OS optimized for Hyper-Threading Technology) and Disabled for other OS(OS not optimized for HyperThreading Technology). When Disabled only one thread per enabled core is enabled. Hyper-threading Limit CPUID Maximum Execute Disabled Bit Server Class Hardware Prefetcher Adjacent Cache Line Prefetch Intel Virtualization Technology Power Technology Local x2APIC Active Processor Cores EIST Power Limit 1 Value (Watt) Power Limit 2 Switch [Enabled] [Disabled] [Enabled] [Custom] [Enabled] [Enabled] [Disabled] [Energy Efficient] [Disabled] [All] [Disabled] 95 [Enabled] → ←: Select Screen ↑ ↓: Select Item Enter: Select +/-: Change Opt. F1: General Help F2: Previous Values F3: Optimized Defaults F4: Save & Exit ESC: Exit 3 Version 2.10.1208. Copyright (C) 2010 American Megatrends, Inc. ► Hyper-threading Hyper-Threading Technology allows one physical processor package to be perceived as two separate logical processors within the operating system. This option is used to enable or disable the feature. It will be displayed only if your CPU is supporting this feature. ► Limit CPUID Maximum This item is used to enable or disable CPUID maximum value limit configuration. It should be [Disabled] for WinXP. ► Execute Disabled Bit This item is used to enable/disable the Execute Disable Bit feature. Intel's Execute Disable Bit functionality can help prevent certain classes of malicious buffer overflow attacks when combined with a supporting operating system. Execute Disable Bit allows the processor to classify areas in memory by where application code can execute and where it cannot. When a malicious worm attempts to insert code in the buffer, the processor disables code execution, preventing damage and worm propagation. Replacing older computers with Execute Disable Bit-enabled systems can halt worm attacks, reducing the need for virus-related repairs. By combining Execute Disable Bit with anti-virus, firewall, spyware removal, e-mail filtering software, and other network security measures, IT managers can free IT resources for other initiatives. ► Server Class This item is used to use the Intel recommended prefech settings. Default option is:[Custom]. ► Hardware Prefetcher The processor has a hardware prefetcher that automatically analyzes its requirements and prefetches data and instructions from the memory into the Level 2 cache that are likely to be required in the near future. This reduces the latency associated with memory reads. When enabled, the processor's hardware prefetcher will be enabled and allowed to automatically prefetch data and code for the processor. When disabled, the processor's hardware prefetcher will be disabled. 42