Dell 840 manual CPU Information Screens

Table 2-2. System Setup Program Options (continued)

Option	Description
PCI IRQ Assignment	Displays a screen to change the IRQ assigned to each of the integrated devices on
	the 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" on
	page 39 for more information.
Keyboard NumLock	Determines whether your system starts up with the NumLock mode activated on
(On default)	101- or 102-key keyboards (does not apply to 84-key keyboards).
Report Keyboard Errors	Enables or disables reporting of keyboard errors during the POST. Select Report for
(Report default)	host systems that have keyboards attached. Select Do Not Report to suppress all
	error messages relating to the keyboard or keyboard controller during POST. This
	setting does not affect the operation of the keyboard itself if a keyboard is attached
	to the system.
Asset Tag	Displays the customer-programmable asset tag number for the system if an asset
	tag number has been assigned.

CPU Information Screens

Table 2-3 lists the options and descriptions for the information fields that appear on the CPU Information screen.

Table 2-3. CPU Information Screen

Option	Description
Bus Speed	Displays the bus speed of the processor(s).
Logical Processor	Displays when the processors support HyperThreading. Enabled
(Enabled default)	permits all logical processors to be used by the operating system.
	Only the first logical processor of each processor installed in the
	system is used by the operating system if Disabled is selected.
Virtualization Technology	Displays when the processor(s) support Virtualization Technology.
(Disabled default)	Enabled permits virtualization software to use Virtualization
	Technology incorporated in the processor design. This feature can
	only be used by software that supports Virtualization Technology.
Adjacent Cache Line	Enables or disables optimal use of sequential memory access.
Prefetch	Disable this option for applications that require high use of random
(Enabled default)	memory access.
Hardware Prefetcher	Enables or disables the hardware prefetcher.
(Enabled default)

Using the System Setup Program

33