IBM HS21 User Guide - Page 54

Using, passwords - cpu

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- CPU Options Select this choice to disable the microprocessor cache or to set the microprocessor cache to use the write-back or write-through method. Write-back caching generally provides better system performance. You can also select this choice to enable or disable hyper-threading and adjust microprocessor performance settings. If hyper-threading is enabled, active only if it is supported by your operating system. - PCI Bus Control Select this choice to view and set interrupts for PCI devices and to configure the master-latency-timer value for the blade server. - Baseboard Management Controller (BMC) Settings Select this choice to enable or disable the Reboot on System NMI option. If you enable this option, the blade server will automatically restart 60 seconds after the service processor issues a nonmaskable interrupt (NMI) to the blade server. You can also select this choice to enable or disable and set the timeouts for the POST and OS loader watchdog timers and view BMC version information. - BMC Network Configuration Select this choice to set the network addresses of the BMC. - BMC System Event Log Select this choice to view and clear BMC event log entries. v Save Settings Select this choice to save the changes that you have made in the settings. v Restore Settings Select this choice to cancel the changes that you have made in the settings and restore the previous settings. v Load Default Settings Select this choice to cancel the changes that you have made in the settings and restore the factory settings. v Exit Setup Select this choice to exit from the Configuration/Setup Utility program. If you have not saved the changes that you have made in the settings, you are asked whether you want to save the changes or exit without saving them. Using passwords From the System Security choice, you can set, change, and delete a power-on password. If you set a power-on password, you must type the power-on password to complete the system startup and to have access to the Configuration/Setup Utility menu. You can use any combination of up to seven characters (A-Z, a-z, and 0-9) for the password. Keep a record of your password in a secure place. If you forget the power-on password, you can regain access to the blade server in by removing the blade server battery and then reinstalling it or by using the power-on password override switch (see the Problem Determination and Service Guide on the Documentation CD for instructions). 42 BladeCenter HS21 Type 8853: Installation and User's Guide

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–
CPU
Options
Select
this
choice
to
disable
the
microprocessor
cache
or
to
set
the
microprocessor
cache
to
use
the
write-back
or
write-through
method.
Write-back
caching
generally
provides
better
system
performance.
You
can
also
select
this
choice
to
enable
or
disable
hyper-threading
and
adjust
microprocessor
performance
settings.
If
hyper-threading
is
enabled,
active
only
if
it
is
supported
by
your
operating
system.
–
PCI
Bus
Control
Select
this
choice
to
view
and
set
interrupts
for
PCI
devices
and
to
configure
the
master-latency-timer
value
for
the
blade
server.
–
Baseboard
Management
Controller
(BMC)
Settings
Select
this
choice
to
enable
or
disable
the
Reboot
on
System
NMI
option.
If
you
enable
this
option,
the
blade
server
will
automatically
restart
60
seconds
after
the
service
processor
issues
a
nonmaskable
interrupt
(NMI)
to
the
blade
server.
You
can
also
select
this
choice
to
enable
or
disable
and
set
the
timeouts
for
the
POST
and
OS
loader
watchdog
timers
and
view
BMC
version
information.
-
BMC
Network
Configuration
Select
this
choice
to
set
the
network
addresses
of
the
BMC.
-
BMC
System
Event
Log
Select
this
choice
to
view
and
clear
BMC
event
log
entries.
v
Save
Settings
Select
this
choice
to
save
the
changes
that
you
have
made
in
the
settings.
v
Restore
Settings
Select
this
choice
to
cancel
the
changes
that
you
have
made
in
the
settings
and
restore
the
previous
settings.
v
Load
Default
Settings
Select
this
choice
to
cancel
the
changes
that
you
have
made
in
the
settings
and
restore
the
factory
settings.
v
Exit
Setup
Select
this
choice
to
exit
from
the
Configuration/Setup
Utility
program.
If
you
have
not
saved
the
changes
that
you
have
made
in
the
settings,
you
are
asked
whether
you
want
to
save
the
changes
or
exit
without
saving
them.
Using
passwords
From
the
System
Security
choice,
you
can
set,
change,
and
delete
a
power-on
password.
If
you
set
a
power-on
password,
you
must
type
the
power-on
password
to
complete
the
system
startup
and
to
have
access
to
the
Configuration/Setup
Utility
menu.
You
can
use
any
combination
of
up
to
seven
characters
(A–Z,
a–z,
and
0–9)
for
the
password.
Keep
a
record
of
your
password
in
a
secure
place.
If
you
forget
the
power-on
password,
you
can
regain
access
to
the
blade
server
in
by
removing
the
blade
server
battery
and
then
reinstalling
it
or
by
using
the
power-on
password
override
switch
(see
the
Problem
Determination
and
Service
Guide
on
the
Documentation
CD
for
instructions).
42
BladeCenter
HS21
Type
8853:
Installation
and
User’s
Guide