Using the System Setup Program 33CPU Information ScreensTable 2-3 lists the options and descriptions for the information fields that appear on the CPUInformation screen.PCI IRQ Assignment Displays a screen to change the IRQ assigned to each of the integrated devices onthe PCI bus, and any installed expansion cards that require an IRQ.Console Redirection Displays a screen to configure serial communication, external serial connector, fail-safe baud rate, remote terminal type, and redirection after boot.System Security Displays a screen to configure the system password and setup password features.See "Using the System Password" on page 37 and "Using the Setup Password" onpage 39 for more information.Keyboard NumLock(On default)Determines whether your system starts up with the NumLock mode activated on101- or 102-key keyboards (does not apply to 84-key keyboards).Report Keyboard Errors(Report default)Enables or disables reporting of keyboard errors during the POST. Select Report forhost systems that have keyboards attached. Select Do Not Report to suppress allerror messages relating to the keyboard or keyboard controller during POST. Thissetting does not affect the operation of the keyboard itself if a keyboard is attachedto the system.Asset Tag Displays the customer-programmable asset tag number for the system if an assettag number has been assigned.Table 2-3. CPU Information ScreenOption DescriptionBus Speed Displays the bus speed of the processor(s).Logical Processor(Enabled default)Displays when the processors support HyperThreading. Enabledpermits all logical processors to be used by the operating system.Only the first logical processor of each processor installed in thesystem is used by the operating system if Disabled is selected.Virtualization Technology(Disabled default)Displays when the processor(s) support Virtualization Technology.Enabled permits virtualization software to use VirtualizationTechnology incorporated in the processor design. This feature canonly be used by software that supports Virtualization Technology.Adjacent Cache LinePrefetch(Enabled default)Enables or disables optimal use of sequential memory access.Disable this option for applications that require high use of randommemory access.Hardware Prefetcher(Enabled default)Enables or disables the hardware prefetcher.Table 2-2. System Setup Program Options (continued)Option Description