HP Z4 Maintenance and Service Guide - Page 45

Computer Setup—Security, Table 5-2

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Computer Setup-Security NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. Table 5-2 Computer Setup-Security Option Description Create BIOS Administrator Password Lets you set and enable a BIOS administrator password, which includes the following privileges: ● Manage other BIOS users ● Full access to BIOS policy and settings ● Unlock the computer when other BIOS users fail the preboot authentication. NOTE: Creating a BIOS user disables the Fast Boot option. NOTE: If the password is set, it is required to change Computer Setup options, update the BIOS, and make changes to certain plug and play settings under Windows. Change BIOS Administrator Password (This selection is active only if a BIOS administrator password is set.) Lets you change the BIOS administrator password. You must know the current password to be able to change it. Password Policies Let you set the guidelines for a valid password. Options include: ● Password minimum length ● Requires at least one symbol ● Requires at least one number ● Requires at least one upper case character ● Requires at least one lower case character ● Allow spaces Clear Password Jumper Select 'Honor' to allow or 'Ignore' to not allow the absence of the password jumper to clear the passwords at boot up. Default is 'Honor'. Security Configuration TPM Embedded Security ● TPM Device Lets you set the Trusted Platform Module as available or hidden. ● Clear TPM Select to reset the TPM to an unowned state. After the TPM is cleared, it is also turned off. To temporarily suspend TPM operations, turn the TPM off instead of clearing it. CAUTION: Clearing the TPM resets it to factory defaults and turns it off. You will lose all created keys and data protected by those keys. BIOS Sure Start ● Verify Boot Block on every Boot Select to check validity of boot block region each boot. If not selected, boot block region will be validated on power cycles. ● Data Recovery Policy Computer Setup (F10) Utilities 37

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Computer Setup—Security
NOTE:
Support for
specific
Computer Setup options may vary depending on the hardware
configuration.
Table 5-2
Computer Setup—Security
Option
Description
Create BIOS
Administrator Password
Lets you set and enable a BIOS administrator password, which includes the following privileges:
●
Manage other BIOS users
●
Full access to BIOS policy and settings
●
Unlock the computer when other BIOS users fail the preboot authentication.
NOTE:
Creating a BIOS user disables the Fast Boot option.
NOTE:
If the password is set, it is required to change Computer Setup options, update the BIOS, and
make changes to certain plug and play settings under Windows.
Change BIOS
Administrator Password
(This selection is active
only if a BIOS
administrator password is
set.)
Lets you change the BIOS administrator password.
You must know the current password to be able to change it.
Password Policies
Let you set the guidelines for a valid password. Options include:
●
Password minimum length
●
Requires at least one symbol
●
Requires at least one number
●
Requires at least one upper case character
●
Requires at least one lower case character
●
Allow spaces
Clear Password Jumper
Select ‘Honor’ to allow or ‘Ignore’ to not allow the absence of the password jumper to clear the passwords
at boot up. Default is ‘Honor’.
Security
Configuration
TPM Embedded Security
●
TPM Device
Lets you set the Trusted Platform Module as available or hidden.
●
Clear TPM
Select to reset the TPM to an unowned state. After the TPM is cleared, it is also turned
off.
To
temporarily suspend TPM operations, turn the TPM
off
instead of clearing it.
CAUTION:
Clearing the TPM resets it to factory defaults and turns it
off.
You will lose all created
keys and data protected by those keys.
BIOS Sure Start
●
Verify Boot Block on every Boot
Select to check validity of boot block region each boot. If not selected, boot block region will be
validated on power cycles.
●
Data Recovery Policy
Computer Setup (F10) Utilities
37