HP Z400 Maintenance And Service Manual page 51

Table 4-1 Computer Setup (F10) Utility menu descriptions (continued)
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Option Description
System IDs Provides these options:
Asset Tag—A 16-byte string identifying the workstation.
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Ownership Tag—An 80-byte string identifying ownership of the
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workstation. This tag appears on the screen during POST.
Universal Unique Identifier (UUID)—Can only be updated if the current
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chassis serial number is invalid. (These ID numbers are normally set in the
factory and are used to uniquely identify the workstation.)
Keyboard—Lets you set the keyboard locale for System ID entry.
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System Security Provides these options:
Data Execution Prevention—Enables or disables Data Execution Prevention
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mode in the CPUs. This mode prohibits code from running in pages that
were set up as data pages, and prevents attacks such as buffer overflows.
Operating system support is required for this feature.
Virtualization Technology (VTx)—Enables or disables Intel Virtualization
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Technology to increase workstation performance.
Virtualization Technology for Directed I/O (VT–d2)—Enables a virtual
●
machine to gain exclusive control of a hardware device, such as a
graphics card.
Embedded Security Device—This option becomes available if Embedded
●
Device is set to Available.
Embedded Security Device (Hidden or Available) turns the Trusted Platform
Mechanism (TPM) on and off. Device Hidden is the default. If this option is
made available, the following options become available:
◦
◦
To enable the Embedded Security Device and to access any security
features associated with the device, you must enter a setup password.
Setting a device to Available lets the operating system access the device.
Hidden makes the device unavailable. It is disabled by the BIOS and
cannot be enabled by the operating system.
Intel IO Virtualization—Enables or disables Virtualization Technology to
●
increase workstation I/O performance.
Embedded Security Device Support—Lets the workstation leverage the
●
trusted platform mechanism device.
OS Management of Embedded Security Device—Enables or disables
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operating system control of the TPM device, including turning it on and off,
initializing it, and resetting it.
Reset of Embedded Security Device through OS—Enables or disables
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operating system ability to reset the TPM.
Power-On Authentication Support—Enables and disables an
authentication feature that requires you to enter a TPM user key
password to start the workstation. This feature uses the TPM to
generate and store the authentication password.
Reset Authentication Credential—Resets the authentication
functionality and clears authentication credentials.
The Computer Setup (F10) Utility
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