Dell PowerEdge 2950 Hardware Owner's Manual (PDF) - Page 44

Exit Screen, Save Changes and Exit, Return to Setup - diagnostics

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Table 2-6. System Security Screen Options (continued) Option Password Status Power Button (Enabled default) NMI Button (Disabled default) AC Power Recovery (Last default) Description Setting the Setup Password option to Enabled prevents the system password from being changed or disabled at system start-up. To lock the system password, assign a setup password in the Setup Password option and then change the Password Status option to Locked. In this state, you cannot change the system password using the System Password option and cannot be disabled at system start-up by pressing . To unlock the system password, enter the setup password in the Setup Password field and then change the Password Status option to Unlocked. In this state, you can disable the system password at system start-up by pressing and then change the password using the System Password option. Turns system's power off and on. • If you turn off the system using the power button and the system is running an ACPI-compliant operating system, the system can perform an orderly shutdown before power is turned off. • If the system is not running an ACPI-compliant operating system, power is turned off immediately after the power button is pressed. The button is enabled in the System Setup program. When disabled, the button can only turn on system power. NOTE: You can still turn on the system by using the power button, even if the Power Button option is set to Disabled. NOTICE: Use the NMI button only if directed to do so by qualified support personnel or by the operating system's documentation. Pressing this button halts the operating system and displays a diagnostic screen. Sets the NMI feature On or Off. Determines how the system reacts when power is restored to the system. If system is set to Last, the system returns to the last power state. On turns on the system after power is restored. When set to Off, the system remains off after power is restored. Exit Screen After you press to exit the System Setup program, the Exit screen displays the following options: • Save Changes and Exit • Discard Changes and Exit • Return to Setup 44 Using the System Setup Program

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44
Using the System Setup Program
Exit Screen
After you press <Esc> to exit the System Setup program, the
Exit
screen displays the following options:
•
Save Changes and Exit
•
Discard Changes and Exit
•
Return to Setup
Password Status
Setting the
Setup Password
option
to
Enabled
prevents the system password from
being changed or disabled at system start-up.
To
lock
the system password, assign a setup password in the
Setup Password
option
and then change the
Password Status
option to
Locked
. In this state, you cannot
change the system password using the
System Password
option and cannot be
disabled at system start-up by pressing <Ctrl><Enter>.
To
unlock
the system password, enter the setup password in the
Setup Password
field and then change the
Password Status
option to
Unlocked
. In this state, you
can disable the system password at system start-up by pressing <Ctrl><Enter>
and then change the password using the
System Password
option.
Power Button
(
Enabled
default)
Turns system's power off and on.
•
If you turn off the system using the power button and the system is running an
ACPI-compliant operating system, the system can perform an orderly shutdown
before power is turned off.
•
If the system is not running an ACPI-compliant operating system, power is turned
off immediately after the power button is pressed.
The button is enabled in the System Setup program. When disabled, the button
can only turn on system power.
NOTE:
You can still turn on the system by using the power button, even if the
Power
Button
option is set to
Disabled
.
NMI Button
(
Disabled
default)
NOTICE:
Use the NMI button only if directed to do so by qualified support
personnel or by the operating system's documentation. Pressing this button
halts the operating system and displays a diagnostic screen.
Sets the NMI feature
On
or
Off
.
AC Power Recovery
(
Last
default)
Determines how the system reacts when power is restored to the system. If system
is set to
Last
, the system returns to the last power state.
On
turns on the system
after power is restored. When set to
Off
, the system remains off after power is
restored.
Table 2-6.
System Security Screen Options
(continued)
Option
Description