AMI BIOS UTILITY
CPB8929
Intel
SpeedStep
Enabled
or
Disable
Intel®
SpeedStep
™.
Default
setting
is
Enabled.
Hyper
‐
threading
Enabled
or
Disable
hyper
‐
threading
technology.
Default
setting
is
Enabled.
Execute
Disable
Bit
When
this
field
is
set
to
Disabled,
it
will
force
the
XD
feature
flag
to
always
return
to
0.
XD
can
prevent
certain
classes
of
malicious
buffer
overflow
attacks
when
combined
with
a
supporting
OS.
Intel
Virtualization
Technology
This
function
is
used
to
enable
a
Virtual
Machine
Manager
(VMM)
to
utilize
the
additional
hardware
capabilities
provided
by
the
Vanderpool
Technology.
To
change
the
state
of
this
function,
a
hardware
reset
is
necessary.
Default
setting
is
Disabled.
C
‐
States
Modern
CPUs
can
be
put
into
a
deeper
sleeping
state
when
idle
at
the
cost
of
longer
wake
‐
up
times.
Default
setting
is
Disabled.
4.4.3
USB
Configuration
This
option
allows
the
user
to
view
and
configure
the
settings
of
the
USB
configuration
parameters.
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