1. System BIOSExpress5800/T120e Maintenance Guide 57Chapter 2 Useful FeaturesOption Parameter DescriptionProcessor Information Processor PowerManagement DCU IP Prefetcher Disabled[Enabled]Enables or disables Data Cache Unit (DCU) IPPrefetcher.DCU Streamer Prefetcher Disabled[Enabled]Enables or disables DCU Streamer Prefetcher.Hardware Prefetcher Disabled[Enabled]Enables or disables Hardware Prefetcher.Adjacent Cache Line Prefech Disabled[Enabled]Enables or disables the optimal access from memory tocache.Execute Disabled Bit Disabled[Enabled]Enables or disables Execute Disable Bit feature. Thisoption is displayed only when the installed processorsupports this featue.VT-x Disabled[Enabled]Enables or disables Intel Virtualization Technology.Active Processor Cores [All]1-9Specifies the number of active cores in processor.The selectable number of cores depends on processorinstalled.Hyper-Threading Disabled[Enabled]Enables or disables the feature to simultaneouslyexecute two threads in a single core.This option is displayed only when the installedprocessor supports this featue.PPIN Support [Disabled]EnabledEnables or disables Protected Processor InventryNumber (PPIN), This option is displayed only when theinstalled processor supports this feature.[ ]: Factory settings(a) Processor Information SubmenuFor details about the options, see the table on the next page.
