Boot Settings Screen - Dell PowerEdge M820 Owner's Manual

Menu Item Description
DCU IP Prefetcher Allows you to enable or disable DCU IP prefetcher. By default, the DCU IP
Prefetcher option is set to Enabled.
Execute Disable Allows you enable or disable execute disable memory protection technology. By
default, the Execute Disable option is set to Enabled.
Number of Cores Allows you to control the number of enabled cores in each processor. By default,
per Processor the Number of Cores per Processor option is set to All.
Processor 64-bit Specifies if the processor(s) support 64-bit extensions.
Support
Processor Core Displays the maximum core frequency of the processor.
Speed
Processor Bus Displays the bus speed of the processors.
Speed
Processor X Displays the family and model number of each processor. A submenu displays the
Family- Model- core speed, the amount of cache memory, and the number of cores of the
Stepping processor(s).

Boot Settings Screen

Menu Item Description
Boot Mode Allows you to set the boot mode of the system.
If the operating system supports UEFI, you can set this option to UEFI. Setting this
field to BIOS allows compatibility with non-UEFI operating systems. By default, the
Boot Mode option is set to BIOS.
Boot Sequence Allows you to enable or disable the boot sequence retry feature. If this field is
Retry enabled and the system fails to boot, the system reattempts the boot sequence
after 30 seconds. By default, the Boot Sequence Retry option is set to Disabled.
BIOS Boot Settings Allows you to enable or disable BIOS Boot options.
UEFI Boot Settings Allows you to enable or disable UEFI Boot options. The Boot options include IPv4
PXE and IPv6 PXE. By default, the UEFI PXE boot protocol is set to IPv4.
One-Time Boot Allows you to enable or disable a one-time boot from a selected device.
NOTE: The processor bus speed option is displayed only when both the
processors are installed.
CAUTION: Switching the boot mode may prevent the system from booting if
the operating system is not installed in the same boot mode.
NOTE: Setting this field to UEFI disables BIOS Boot Settings menu. Setting this
field to BIOS disables the UEFI Boot Settings menu.
NOTE: This option is enabled only if the boot mode is BIOS.
NOTE: This option is enabled only if the boot mode is UEFI.
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