Table 7-3Computer Setup—Security (continued)

System Security (these

NOTE:

Available options are displayed depending on system configuration.

options are hardware

Data Execution Prevention (enable/disable) - Helps prevent operating system security breaches. Default

dependent)

is enabled.

 

 

SVM CPU Virtualization (enable/disable) - Controls the virtualization features of the processor. Changing

 

this setting requires turning the computer off and then back on. Default is disabled.

 

 

 

OS management of Embedded Security Device (enable/disable) - This option allows the user to limit OS

 

control of the Embedded Security Device. Default is enabled. This option is automatically disabled if

 

Trusted Execution Technology is enabled.

 

Reset of Embedded Security Device through OS (enable/disable) - This option allows the user to

 

 

limit the operating system ability to request a Reset to Factory Settings of the Embedded Security

 

 

Device. Default is disabled.

 

 

NOTE: To enable this option, a Setup password must be set.

 

No PPI provisioning (Windows 8.1 only) - This option lets you set Windows 8.1 to bypass the PPI

 

 

(Physical Presence Interface) requirement and directly enable and take ownership of the TPM on

 

 

first boot. You cannot change this setting after TPM is owned/initialized, unless the TPM is reset.

 

 

Default is disabled for non-Windows 8.1 systems, and enabled for Windows 8.1.

 

Allow PPI policy to be changed by OS. Enabling this option allows the operating system to execute

 

 

TPM operations without Physical Presence Interface. Default is disabled.

 

 

NOTE: To enable this option, a Setup password must be set.

 

 

DriveLock Security

Allows you to assign or modify a master or user password for hard drives. When this feature is enabled,

 

the user is prompted to provide one of the DriveLock passwords during POST. If neither is successfully

 

entered, the hard drive will remain inaccessible until one of the passwords is successfully provided during

 

a subsequent cold-boot sequence.

 

NOTE:

This selection will only appear when at least one drive that supports the DriveLock feature is

 

attached to the system.

 

 

 

Secure Boot

Legacy Support—Enable/Disable. Allows you to turn off all legacy support on the computer,

Configuration

 

including booting to DOS, running legacy graphics cards, booting to legacy devices, and so on. If set

 

 

to disable, legacy boot options in Storage > Boot Order are not displayed. Default is enabled.

 

Secure Boot—Enable/Disable. Allows you to make sure an operating system is legitimate before

 

 

booting to it, making Windows resistant to malicious modification from preboot to full OS booting,

 

 

preventing firmware attacks. UEFI and Windows Secure Boot only allow code signed by pre-

 

 

approved digital certificates to run during the firmware and OS boot process. Default is disabled,

 

 

except for Windows 8.1 systems which have this setting enabled. Secure Boot enabled also sets

 

 

Legacy Support to disabled.

 

Key Management—This option lets you manage the custom key settings.

 

 

Clear Secure Boot Keys—Don't Clear/Clear. Allows you to delete any previously loaded custom

 

 

 

boot keys. Default is Don't Clear.

 

 

Key Ownership—HP Keys/Custom Keys. Selecting Custom Mode allows you to modify the

 

 

 

contents of the secure boot signature databases and the platform key (PK) that verifies

 

 

 

kernels during system start up, allowing you to use alternative operating systems. Selecting

 

 

 

HP Keys causes the computer boot using the preloaded HP-specific boot keys. Default is HP

 

 

 

Keys.

 

Fast Boot—Enable/Disable. Fast boot disables the ability to interrupt boot, such as pressing f keys

 

 

to access items before the operating system loads. Default is disabled.

NOTE: If Windows 8.1 detects a serious error, it will interrupt the boot process automatically and display advanced boot options.

From Windows 8.1, you can press Shift and select Restart to access the screen that lets you boot to a device or troubleshoot your computer.

Computer Setup (F10) Utilities 163

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HP 705 G1 manual System Security these, DriveLock Security, Secure Boot, Configuration, Legacy Support to disabled

705 G1 specifications

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