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1.
Start
the
IBM
Setup
Utility
program
(see
“Starting
the
IBM
Setup
Utility
program”
on
page
99).
2.
Select
Startup.
3.
Select
Startup
Sequence.
See
the
information
displayed
on
the
right
side
of
the
screen.
4.
Select
the
sequence
of
devices
for
the
Primary
Startup
Sequence,
the
Automatic
Startup
Sequence,
and
the
Error
Startup
Sequence.
5.
Select
Exit
from
the
IBM
Setup
Utility
menu
and
then
Save
Settings.
If
you
have
changed
these
settings
and
want
to
return
to
the
default
settings,
select
Load
Default
Settings
on
the
Exit
menu.
Advanced
settings
On
some
computer
models,
the
Advanced
settings
menu
includes
a
setting
to
Enable/Disable
HyperThreading.
This
feature
works
only
with
HyperThreading-aware
operating
systems
such
as
Microsoft
Windows
XP.
The
default
setting
for
HyperThreading
is
Enabled.
However,
if
you
select
Set
Defaults
(HyperThreading
is
Enabled)
and
are
using
an
operating
system
other
than
Windows
XP,
your
computer
performance
might
be
degraded.
Therefore,
you
should
always
set
HyperThreading
to
disabled
unless
you
are
sure
your
operating
system
supports
hyperthreading.
102
User
Guide