
Intel® Server Board SE7520BD2 Technical Product Specification
BIOS Architecture
Revision 1.3
Intel Confidential
41
Cache L3
N/A
N/A
Displays cache L3 size. Visible
only if the processor contains
an L3 cache.
CPU 2
CPUID
N/A
N/A
Displays the CPUID of the
processor.
Cache L1
N/A
N/A
Displays cache L1 size.
Cache L2
N/A
N/A
Displays cache L2 size.
Cache L3
N/A
N/A
Displays cache L3 size. Visible
only if the processor contains
an L3 cache.
Processor Retest
Disabled
Enabled
If enabled, all processors will
be activated and retested on
the next boot. This option will
be automatically reset to
disabled on the next boot.
Rearms the processor sensors.
Only displayed if the Intel
Management Module is
present.
Max CPUID Value Limit
Disabled
Enabled
This should be enabled in
order to boot legacy OSes
that cannot support
processors with extended
CPUID functions.
This option is to support legacy
OS’es; for example, Windows
NT4.0.
Hyper-Threading Technology Disabled
Enabled
Enable Hyper-Threading
Technology only if OS
supports it.
Controls Hyper-Threading state.
Primarily used to support older
Operating Systems that do not
support Hyper Threading.
HT Technology in MPS
Disabled
Enabled
Enabling adds secondary
processor threads to the MPS
Table for pre-ACPI OSes.
Only enable this feature if the
pre-ACPI OS supports Hyper-
ThreadingTechnology.
This option is to support
FreeBSD.
Intel ® Speed Step ™ Tech
Auto
Disabled
Select disabled for maximum
CPU speed.
Select Auto to allow the OS to
reduce power consumption.
Note: This option may not be
present in early Beta releases.
This setup option will be hidden
if processors don't support this
feature.
Execute Disable Bit
Enabled
Disabled
Intel’s Execute Disable Bit
functionality can prevent
certain virus attacks.
This setup option will be hidden
if processors don't support this
feature.
Hardware Prefetcher
Enabled
Disabled
This option enables / disables
the processor Hardware
Prefetch Feature. Changing
the default may affect
performance depending on
the application being used.
For DP/MP servers, the default
should be set based on
performance results observed
during platform validation and
testing.
Adjacent Cache Line
Prefetch
Enabled
Disabled
This option enables / disables
the processor Adjacent Cache
Line Prefetch Feature.
Changing the default may
affect performance depending
on the application being used.
For DP/MP servers, the default
should be set based on
performance results observed
during platform validation and
testing.