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A1SRM-LN7F/LN5F Series Motherboard User’s Manual
Machine Check
Select Enabled to use Intel's machine check mechanism to detect and report hard-
ware (machine) errors. The options are Disabled and
Enabled
.
Execute Disable Bit (Available if supported by the OS & the CPU)
Set to Enabled to enable the Execute Disable Bit which will allow the processor to
designate areas in the system memory where an application code can execute and
where it cannot, thus preventing a worm or a virus from flooding illegal codes to
overwhelm the processor and damage the system during an attack. The default is
Enabled
. (Refer to Intel and Microsoft Web Sites for more information.)
VMX (Available when supported by the CPU)
Select Enabled to enable Intel Vanderpool Technology support which will allow
one platform to run multiple operating systems and applications in independent
partitions, creating multiple "virtual" systems in one physical computer. The options
are
Enabled
and Disabled.
BIST Selection (Available when supported by the CPU)
Select Enabled to set a BIST (Built-In-Self-Test) point selection to enhance system
performance. The options are
Disabled
and Enabled.
MTRR (Memory Type Range Register) Default as Uncacheable
If this feature is set to Enabled, the default setting will be set to "Uncacheable" in
the Memory-Type-Range Table to protect the data stored in the MTRR table from
being cached. The options are
Disabled
and Enabled.
Extended APIC
Select Enabled to enable Extended APIC (Advanced Programmable Interrupt
Control) support to enhance power management. The options are
Enabled
and
Disabled.
AES-NI
Select Enabled to use the Advanced Encryption Standard in the processor. The
options are
Enabled
and Disabled
.
PECI Enable
Select Enabled to enable PECI (Platform Environment Control Interface) support,
which will enhance CPU thermal management to achieve power efficiency. The
options are
Disabled
and Enabled
.
PECI Trusted
Select Enabled to support Trusted Platform Environment Control Interface to im-
prove CPU thermal management. The options are
Disabled
and Enabled
.
