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Table 46. System Setup options—Pre-boot Behavior menu(continued)
Pre-boot Behavior
By default, the System Unique MAC Address option is selected.
Sign of Life
Early Keyboard Backlight Enables or disables the Keyboard Backlight Sign of Life.
By default, the Early Keyboard Backlight option is enabled.
NOTE: To view this option, enable Advanced Setup mode as described in
View Advanced Setup options.
Table 47. System Setup options—Virtualization menu
Virtualization Support
Intel Virtualization Technology
Enable Intel Virtualization Technology (VT) When enabled, the computer can run a Virtual Machine Monitor (VMM).
By default, the Enable Intel Virtualization Technology (VT) option is enabled.
NOTE: To view this option, enable Advanced Setup mode as described in
View Advanced Setup options.
VT for Direct I/O
Enable Intel VT for Direct I/O When enabled, the computer can perform Virtualization Technology for Direct
I/O (VT-d). VT-d is an Intel method that provides virtualization for memory map
I/O.
By default, the Enable Intel VT for Direct I/O option is enabled.
NOTE: To view this option, enable Advanced Setup mode as described in
View Advanced Setup options.
Intel Trusted Execution Technology
(TXT)
Specifies whether a measured Virtual Machine Monitor (MVMM) can use the
additional hardware capabilities provided by Intel Trusted Execution Technology.
The following must be enabled in order to enable Intel TXT -
●
Trusted Platform Module (TPM)
● Intel Hyper-Threading
●
All CPU cores (Multi-Core Support)
● Intel Virtualization Technology
● Intel VT for Direct I/O
By default, the Intel Trusted Execution Technology (TXT) option is disabled.
NOTE: To view this option, enable Advanced Setup mode as described in
View Advanced Setup options.
DMA Protection
Enable Pre-Boot DMA Support Allows you to control the Pre-Boot DMA protection for both internal and external
ports. This option does not directly enable DMA protection in the operating
system.
NOTE: This option is not available when the virtualization setting for IOMMU
is disabled (VT-d/AMD Vi).
By default, the Enable Pre-Boot DMA Support option is enabled.
For additional security, Dell Technologies recommends keeping the Enable Pre-
Boot DMA Support option enabled.
NOTE: This option is provided only for compatibility purposes, since some
older hardware is not DMA capable.
BIOS Setup 139
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Productinformatie
| Merk | Dell |
| Model | Precision 5690 |
| Categorie | Laptop |
| Taal | Nederlands |
| Grootte | 67669 MB |
