Dell POWEREDGE 840, Hardware Owner'S Manual

Page: 33 / 158

Using the System Setup Program
33
CPU Information Screens
Table 2-3 lists the options and descriptions for the information fields that appear on the CPU
Information screen.
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
(
On
default)
Determines whether your system starts up with the NumLock mode activated on
101- 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 for
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.
Table 2-3. CPU Information Screen
Option Description
Bus Speed Displays the bus speed of the processor(s).
Logical Processor
(
Enabled default)
Displays when the processors support HyperThreading. Enabled
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
(
Disabled default)
Displays when the processor(s) support Virtualization Technology.
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
Prefetch
(
Enabled default)
Enables or disables optimal use of sequential memory access.
Disable this option for applications that require high use of random
memory access.
Hardware Prefetcher
(
Enabled default)
Enables or disables the hardware prefetcher.
Table 2-2. System Setup Program Options (continued)
Option Description