HP Z210 Series, Руководство по техническому обслуживанию и ремонту, Страница: 44 / 185

Table 4-1 Computer Setup (F10) Utility menu descriptions (continued)
Heading Option Description
System Security With the exception of the first option, Data Execution Prevention, changing any of these
system security settings and choosing
File > Save Changes and Exit will result in the
computer performing a global reset, automatically turning itself off and then back on. Note
also that these options are hardware dependent and may not be available on some models:
●
Data Execution Prevention (Enabled/Disabled)—Helps prevent operating system
security breaches.
●
Virtualization Technology (VTx)
1
(Disabled/Enabled)—Controls the virtualization
features of the processor.
●
Virtualization Technology Directed I/O (VTd)
1
(Disabled/Enabled)—Controls
virtualization DMA remapping features of the chipset.
● Intel TXT(LT) Support
1
(Enabled/Disabled)—Controls the underlying processor and
chipset features needed to support a virtual appliance. To enable this feature you must
enable:
◦
Virtualization Technology (VTx)
◦
Virtualization Technology Directed I/O (VTd)
◦
Embedded Security Device
●
Embedded Security Device
1
(Disabled/Enabled)—Permits activation and deactivation of
the Embedded Security Device.
NOTE: Embedded Security Device must be set to Device Available in the Device
Security menu, and you must create a Setup Password, in order to configure the
Embedded Security Device.
●
Reset to Factory Settings
1
(Do not reset/Reset)—Restores factory defaults and erases all
security keys.
CAUTION:
Choosing Reset to Factory Settings may result in significant data loss. The
embedded security device is a critical component of many security schemes. Erasing the
security keys prevent access to data protected by the Embedded Security Device.
●
OS Management of Embedded Security Device
1
(Disabled/Enabled)—Limits operating
system control of the Embedded Security Device.
● Reset of Embedded Security Device through OS
1
(Enabled/Disabled)—Limits the
operating system ability to request a Reset to Factory Settings of the Embedded Security
Device.
NOTE: You must create a Setup Password to use this option.
Drive Lock
Security
Lets you assign or modify a master password or user password for hard drives. When
enabled, this feature prompts the user to provide one of the DriveLock passwords during
POST. If the user does not successfully enter one of the passwords, the hard drive remains
inaccessible until one of the passwords is successfully entered during a subsequent cold-boot
sequence.
NOTE: This selection appears only when the system includes at least one drive that
supports the DriveLock feature.
32 Chapter 4 System management ENWW