Intel DH61KVCH Product Guide for Intel Desktop Board DH61KVCH - Page 20

Intel Desktop Board DH61KVCH CPU Configuration The items in this menu show the CPU-related information that the BIOS automatically detects. Press to display the configuration options: q Hyper-threading Use this item to enable or disable Hyper-threading technology. q Active Processor Cores This item allows you to choose the number of the active processor cores. The default value is [All]. q Limit CPUID Maximum Allows you to determine whether to limit CPUID maximum value. Set this item to [Disable] Windows XP operating system; set this item to [Enable] for legacy operating system such as Windows NT4.0.. q Execute Disable Bit When disabled forces the XD feature flag to always return 0, defaults choose [Enable]. q Hardware Prefetcher Use this item to enable or disable hardware prefetcher (hardware prefetch mechanism). q Adjacent Cache Line Prefetch Use this item to enable or disable the adjacent cache line prefetch mode. If you disable this item, only one 64-bit line will be prefetched from the 128-bit section (including the required data). If you enable this item, two lines will be prefetched whether there is required data or not. q Intel Virtualization Technology Hardware Virtualization Technology enables processor feature for running multiple simultaneous virtual machines allowing specialized software applications to run in full isolation of each other. q Power Technology Use this option to set Power Technology. USB Configuration The items in this menu allow you to change the USB-related features. Press To display the configuration options: q Legacy USB Support Allows you to enable or disable support for USB devices on legacy operating systems. q EHCI Hand-Off Allows you to enable support for operating systems without an EHCI hand-off feature. q USB transfer time-out Allows you to set USB transfer time-out. q Device reset time-out Allows you to set device reset time-out. q Device power-up delay Allows you to set device power-up delay. 20