IBM 72335LU User Guide - Page 68

Enable/Disable

Page 68 highlights

You can enable a virus-detection test that checks for changes in the boot record when the server starts. You can enable the use of a USB keyboard from a DOS prompt or through the Configuration/Setup Utility program. This choice is on the full Configuration/Setup Utility menu only. v Advanced Setup Select this choice to change settings for advanced hardware features. Important: The server might malfunction if these settings are incorrectly configured. Follow the instructions on the screen carefully. This choice is on the full Configuration/Setup Utility menu only. - Memory Settings Select this choice to view and change the memory settings. - Memory Bank Enable/Disable Select this choice to manually enable a pair of DIMM connectors. If a memory error is detected during POST or memory configuration, the server automatically disables the failing pair of DIMM connectors and continues operating with reduced memory. After the problem is corrected, you must manually enable the DIMM connectors. Use the arrow keys to highlight the pair of DIMM connectors that you want to enable, and use the arrow keys to select Enable. - Memory Array Setting Select this choice to define the memory array setting. - Memory Initialization Scrub Control Select this choice to define the frequency of the memory initialization scrub, which occurs during POST. - Run Time Scrub Rate Select this choice to define the rate at which the memory scrubbing feature performs a test of all system memory. - CPU Options Select this choice to view and change the microprocessor performance settings, and to select the clustering technology settings. - Active Energy Manager Power Capping Select this choice to limit the maximum power consumed by the microprocessors. - Processor Performance States Select this choice to make available operating-system based performance features. - Clustering Technology Select this choice to set the clustering technology. - Processor Adjacent Sector Prefetch Select Disable to force the microprocessors to only fetch the sector of the cache line that contains the data currently required by the microprocessor. Disable is the default value. - Processor Hardware Prefetcher Select this choice to enable or disable the hardware prefetcher. Enable is the default value. - Processor Execute Disable Bit 56 IBM System x3850 M2 and System x3950 M2 Type 7141: User's Guide

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You
can
enable
a
virus-detection
test
that
checks
for
changes
in
the
boot
record
when
the
server
starts.
You
can
enable
the
use
of
a
USB
keyboard
from
a
DOS
prompt
or
through
the
Configuration/Setup
Utility
program.
This
choice
is
on
the
full
Configuration/Setup
Utility
menu
only.
v
Advanced
Setup
Select
this
choice
to
change
settings
for
advanced
hardware
features.
Important:
The
server
might
malfunction
if
these
settings
are
incorrectly
configured.
Follow
the
instructions
on
the
screen
carefully.
This
choice
is
on
the
full
Configuration/Setup
Utility
menu
only.
Memory
Settings
Select
this
choice
to
view
and
change
the
memory
settings.
-
Memory
Bank
Enable/Disable
Select
this
choice
to
manually
enable
a
pair
of
DIMM
connectors.
If
a
memory
error
is
detected
during
POST
or
memory
configuration,
the
server
automatically
disables
the
failing
pair
of
DIMM
connectors
and
continues
operating
with
reduced
memory.
After
the
problem
is
corrected,
you
must
manually
enable
the
DIMM
connectors.
Use
the
arrow
keys
to
highlight
the
pair
of
DIMM
connectors
that
you
want
to
enable,
and
use
the
arrow
keys
to
select
Enable
.
-
Memory
Array
Setting
Select
this
choice
to
define
the
memory
array
setting.
-
Memory
Initialization
Scrub
Control
Select
this
choice
to
define
the
frequency
of
the
memory
initialization
scrub,
which
occurs
during
POST.
-
Run
Time
Scrub
Rate
Select
this
choice
to
define
the
rate
at
which
the
memory
scrubbing
feature
performs
a
test
of
all
system
memory.
CPU
Options
Select
this
choice
to
view
and
change
the
microprocessor
performance
settings,
and
to
select
the
clustering
technology
settings.
-
Active
Energy
Manager
Power
Capping
Select
this
choice
to
limit
the
maximum
power
consumed
by
the
microprocessors.
-
Processor
Performance
States
Select
this
choice
to
make
available
operating-system
based
performance
features.
-
Clustering
Technology
Select
this
choice
to
set
the
clustering
technology.
-
Processor
Adjacent
Sector
Prefetch
Select
Disable
to
force
the
microprocessors
to
only
fetch
the
sector
of
the
cache
line
that
contains
the
data
currently
required
by
the
microprocessor.
Disable
is
the
default
value.
-
Processor
Hardware
Prefetcher
Select
this
choice
to
enable
or
disable
the
hardware
prefetcher.
Enable
is
the
default
value.
-
Processor
Execute
Disable
Bit
56
IBM
System
x3850
M2
and
System
x3950
M2
Type
7141:
User’s
Guide