Tyan Computer TEMPEST S5375 - Manual (Page 36)

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Enabled
C1E Support
Disabled
Enable or disable the C1
Enhanced mode
Enabled
Hardware Prefetcher
Disabled
When enabled, the processor's
hardware prefetcher will be
enabled and allowed to
automatically prefetch data and
code for the processor.
When disabled, the processor's
hardware prefetcher will be
disabled.
Enabled
Adjacent Cache Line
Prefetch
Disabled
When enabled, the processor will
retrieve the currently requested
cache line, as well as the
subsequent cache line.
When disabled, the processor will
only retrieve the currently
requested cache line.
Enabled
Max CPUID Value Limit
Disabled
When enabled, the processor will
limit the maximum CPUID input
value to 03h when queried, even if
the processor supports a higher
CPUID input value. When
disabled, the processor will return
the actual maximum CPUID input
value of the processor when
queried.It is recommended that
you leave it at the default setting of
Disabled.
Enabled
Virtualization Technology
Disabled
Intel Virtualization Technology is a
set of platform features that
support virtualization of platform
hardware and multiple software
environments. When enabled, it
offers data center managers the
ability to consolidate multiple
workloads on one physical server
system.
Enabled
Execute-Disable Bit
Capability
Disabled
Intel’s Execute Disable Bit
functionality can help prevent
certain classes of malicious buffer
overflow attacks when combined
with a supporting operating
system. Execute Disable Bit allows
the processor to classify areas in
memory by where application code
can execute and where it
cannot. When a malicious worm
attempts to insert code in the
buffer, the processor disables code
execution, preventing damage and
worm propagation.