Technical Product Specification

Table Of Contents
Intel
®
Server Board S5400SF TPS System BIOS
Revision 2.02
Intel order number: D92944-007
83
Setup Item Options Help Text Comments
Core Multi-processing
Enabled
Disabled
Core Multi-processing sets the state of
logical processor cores in a package.
[Disabled] sets only logical processor core 0
as enabled in each processor package.
Note: If disabled, Hyper-Threading
Technology will also be automatically
disabled."
Intel
®
Virtualization
Technology
Enabled
Disabled
Intel
®
Virtualization Technology allows a
platform to run multiple operating systems
and applications in independent partitions.
Note: A change to this option requires the
system to be powered off and then back on
before the setting takes effect.
Intel
®
Virtualization
Technology for Directed
I/O
Enabled
Disabled
Enable/Disable the Intel
®
Virtualization
Technology for Directed I/O. Report the I/O
device assignment to VMM through DMAR
ACPI Tables.
When Intel
®
VT is disabled,
this option is hidden.
Simulated MSI Support Enabled
Disabled
Enable or Disable simulation of Message
Signaled Interrupt (MSI) support.
This feature can be enabled in the case
where there is no OS support for Message
Signaled Interrupts.
Execute Disable Bit
Enabled
Disabled
Execute Disable Bit can help prevent certain
classes of malicious buffer overflow attacks.
Contact your OS vendor regarding OS
support of this feature.
Hardware Prefetcher
Enabled
Disabled
Hardware Prefetcher is a speculative
prefetch unit within the processor(s).
Note: Modifying this setting may affect
system performance.
Adjacent Cache Line
Prefetch
Enabled
Disabled
[Enabled] - Cache lines are fetched in pairs
(even line + odd line).
[Disabled] - Only the current cache line
required is fetched.
Note: Modifying this setting may affect
system performance.
Processor Retest Enabled
Disabled
Activate and retest all processors during
next boot only.
Note: This option automatically resets to
[Disabled] on the next boot, after all
processors are retested.
Processor 1 Information View Processor 1 information Select to view information
about processor 1. This takes
the user to a different screen.
Processor 2 Information View Processor 2 information Select to view information
about processor 2. This takes
the user to a different screen.