Dell PowerEdge R830 - Page 38

Option Description
Intel TXT Enables or disables the Intel Trusted Execution Technology (TXT) option. To enable the Intel TXT option,
virtualization technology and TPM Security must be enabled with Pre-boot measurements. This option is set
to O by default.
Power Button Enables or disables the power button on the front of the system. This option is set to Enabled by default.
NMI Button Enables or disables the NMI button on the front of the system. This option is set to Disabled by default.
AC Power Recovery Sets how the system behaves after AC power is restored to the system. This option is set to Last by default.
AC Power Recovery
Delay
Sets the time delay for the system to power up after AC power is restored to the system. This option is set
to Immediate by default.
User Dened Delay
(60s to 240s)
Sets the User Dened Delay option when the User Dened option for AC Power Recovery Delay is
selected.
UEFI Variable
Access
Provides varying degrees of securing UEFI variables. When set to Standard (the default), UEFI variables are
accessible in the operating system per the UEFI specication. When set to Controlled, selected UEFI
variables are protected in the environment and new UEFI boot entries are forced to be at the end of the
current boot order.
Secure Boot Enables Secure Boot, where the BIOS authenticates each pre-boot image by using the certicates in the
Secure Boot Policy. Secure Boot is disabled by default.
Secure Boot Policy When Secure Boot policy is set to Standard, the BIOS uses the system manufacturer’s key and certicates
to authenticate pre-boot images. When Secure Boot policy is set to Custom, the BIOS uses the user-
dened key and certicates. Secure Boot policy is set to Standard by default.
Secure Boot Policy
Summary
Species the list of certicates and hashes that secure boot uses to authenticate images.
Related links
System Security
Viewing System Security
Creating a system and setup password
Prerequisites
Ensure that the password jumper is enabled. The password jumper enables or disables the system password and setup password
features. For more information, see the System board jumper settings section.
NOTE: If the password jumper setting is disabled, the existing system password and setup password are deleted and you
need not provide the system password to boot the system.
Steps
1. To enter System Setup, press F2 immediately after turning on or rebooting your system.
2. On the System Setup Main Menu screen, click System BIOS → System Security.
3. On the System Security screen, verify that Password Status is set to Unlocked.
4. In the System Password eld, type your system password, and press Enter or Tab.
Use the following guidelines to assign the system password:
• A password can have up to 32 characters.
• The password can contain the numbers 0 through 9.
• Only the following special characters are allowed: space, (”), (+), (,), (-), (.), (/), (;), ([), (\), (]), (`).
A message prompts you to reenter the system password.
5. Reenter the system password, and click OK.
6. In the Setup Password eld, type your setup password and press Enter or Tab.
A message prompts you to reenter the setup password.
7. Reenter the setup password, and click OK.
8. Press Esc to return to the System BIOS screen. Press Esc again.
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