Table 47. System setup options—Keyboard menu
Keyboard
Keyboard Errors
Enable Keyboard Error Detection
Enable or disable the keyboard error detection when the system boots.
By default, the option is enabled.
Numlock LED
Enable Numlock LED
Allows you to enable or disable the Numlock LED when the system boots.
By default, the option is enabled.
Table 48. System setup options—Pre-boot Behavior menu
Pre-boot Behavior
Warning and Errors Enable or disable the boot process to pause when warnings or errors are
detected. A useful feature when the system is being remotely managed.
By default, the Prompt on Warnings and Errors option is enabled.
Extend BIOS POST Time Set the BIOS POST load time.
By default, the 0 seconds option is enabled.
Table 49. System setup options—Virtualization menu
Virtualization
AMD-V Technology
Enable AMD-V Technology When enabled, the system will be able to utilize a Virtual Machine Monitor
(VMM).
By default, the option is enabled.
AMD-Vi Technology
Enable AMD-Vi Technology (IOMMU v2) Specifies whether a measured Virtual Machine Monitor (MVMM) can use the
additional hardware capabilities that are provided by AMD-Vi Technology.
DMA Protection Controls BIOS support for Pre-boot and Kernel 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.
Enable OS Kernel DMA Support Allows you to control the Kernel DMA protection for both internal and external
ports. This option does not directly enable DMA protection in the operating
system. For operating systems that support DMA protection, this setting
indicates to the operating system that the BIOS supports the feature.
NOTE: This option is not available when the virtualization setting for
IOMMU is disabled (VT-d/AMD Vi).
By default, the Enable OS Kernel DMA Support option is enabled.
NOTE: This option is provided only for compatibility purposes, since some
older hardware is not DMA capable.
170 BIOS Setup
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