Dell EMC BIOS and UEFI Reference Guide
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Contents Chapter 1: Pre-operating system management applications...........................................................4 System Setup....................................................................................................................................................................... 4 System BIOS................................................................................................................................................................... 5 iDRAC Settings utility......
1 Pre-operating system management applications You can manage basic settings and features of a system without booting to the operating system by using the system firmware.
System BIOS To view the System BIOS screen, power on the system, press F2, and click System Setup Main Menu > System BIOS. Table 2. System BIOS details Option Description System Information Provides information about the system such as the system model name, BIOS version, and Service Tag. Memory Settings Specifies information and options related to the installed memory. Processor Settings Specifies information and options related to the processor such as speed and cache size.
Table 3. System Information details (continued) Option Description UEFI Compliance Version Specifies the UEFI compliance level of the system firmware. AGESA Version Specifies the AGESA reference code version. SMU Version Specifies the SMU firmware version. DXIO Version Specifies the DXIO firmware version. Memory Settings To view the Memory Settings screen, power on the system, press F2, and click System Setup Main Menu > System BIOS > Memory Settings. Table 4.
Table 5. Processor Settings details (continued) Option Description only one logical processor per core. This option is set to Enabled by default. Virtualization Technology Enables or disables the virtualization technology for the processor. This option is set to Enabled by default. IOMMU Support Enable or Disable IOMMU support. It is required to create IVRS ACPI table. This option is set to Enabled by default. L1 Stream HW Prefetcher Enables or disables the L1 stream hardware prefetcher.
SATA Settings To view the SATA Settings screen, power on the system, press F2, and click System Setup Main Menu > System BIOS > SATA Settings. Table 7. SATA Settings details Option Description Embedded SATA Enables the embedded SATA option to be set to Off, AHCI mode , or RAID modes. This option is set to AHCI Mode by default. NOTE: 1. You might also need to change the Boot Mode setting to UEFI. Otherwise, you should set the field to Non-RAID mode. 2. No ESXi and Ubuntu OS support under RAID mode.
To view the Boot Settings screen, power on the system, press F2, and click System Setup Main Menu > System BIOS > Boot Settings. Table 9. Boot Settings details Option Description Boot Mode Enables 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. This option is set to UEFI by default.
Changing boot order About this task You may have to change the boot order if you want to boot from a USB key or an optical drive. The following instructions may vary if you have selected BIOS for Boot Mode. NOTE: Changing the drive boot sequence is only supported in BIOS boot mode. Steps 1. On the System Setup Main Menu screen, click System BIOS > Boot Settings > UEFI Boot Settings > UEFI Boot Sequence. 2.
Table 13. HTTP Device n Settings details Option Description Interface Specifies NIC interface used for the HTTP device. Protocol Specifies Protocol used for HTTP device. This option is set to IPv4 or IPv6. This option is set to IPv4 by default. Vlan Enables Vlan for HTTP device. This option is set to Enable or Disable. This option is set to Disable by default. Vlan ID Shows the Vlan ID for the HTTP device Vlan Priority Shows the Vlan Priority for the HTTP device.
Table 16. Integrated Devices details (continued) Option Description When user accessible USB ports is set to All Ports Off (Dynamic) the Enable Front Ports Only option is enabled. ● Enable Front Ports Only: Enables or disables the front USB ports during the OS runtime. The USB keyboard and mouse still function in certain USB ports during the boot process, depending on the selection. After the boot process is complete, the USB ports will be enabled or disabled as per the setting.
Table 16. Integrated Devices details (continued) Option Description When Internal SD Card Redundancy is set to Disabled, only the primary SD card is visible to the OS. This option is set to Mirror by default. Internal SD Primary Card By default, the primary SD card is selected to be SD Card 1. If SD Card 1 is not present, then the controller selects SD Card 2 to be the primary SD card. This option is set to SD Card 1 by default.
Table 17. Serial Communication details (continued) Option Description External Serial Connector Enables you to associate the External Serial Connector to Serial Device 1, Serial Device 2, or the Remote Access Device by using this option. This option is set to Serial Device 1 by default. NOTE: Only Serial Device 2 can be used for Serial Over LAN (SOL). To use console redirection by SOL, configure the same port address for console redirection and the serial device.
Table 18. System Profile Settings details (continued) Option Description Memory Refresh Rate Sets the memory refresh rate to either 1x or 2x. This option is set to 1x by default. PCI ASPM L1 Link Power Management Enables or disables the PCI ASPM L1 Link Power Management. This option is set to Enabled by default. Determinism Slider Set the system determinism by Power Determinism or Performance Determinism. This option is set to Power Determinism by default.
Table 21. TPM 2.0 security information Option Description TPM Information Changes the operational state of the TPM. This option is set to No Change by default. TPM Firmware Indicates the firmware version of the TPM. TPM Hierarcy Enables, disables, or clears the storage and endorsement hierarchies. When set to Enabled, the storage and endorsement hierarchies can be used. When set to Disabled, the storage and endorsement hierarchies cannot be used.
Table 22. System Security details (continued) Option Description Table 23. Secure Boot Mode (continued) Options Descriptions Audit Mode In Audit mode, PK is not present. The BIOS does not authenticate programmatic updates to the policy objects, and transitions between modes. The BIOS performs a signature verification on pre-boot images and logs the results in the image Execution Information Table, but executes the images whether they pass or fail verification.
2. Type the system password and press Enter. Next steps When Password Status is set to Locked, type the system password and press Enter when prompted at reboot. NOTE: If an incorrect system password is typed, the system displays a message and prompts you to reenter your password. You have three attempts to type the correct password. After the third unsuccessful attempt, the system displays an error message that the system has stopped functioning and must be turned off.
Table 24. Redundant OS Control details Option Description Redundant OS Location Enables you to select a backup disk from the following devices: ● ● ● ● ● Redundant OS State None IDSDM SATA Ports in AHCI mode BOSS PCIe Cards (Internal M.2 Drives) Internal USB NOTE: RAID configurations and NVMe cards are not included, as BIOS does not have the ability to distinguish between individual drives in those configurations. NOTE: This option is disabled if Redundant OS Location is set to None.
NOTE: Accessing some of the features on the iDRAC settings utility needs the iDRAC Enterprise License upgrade. For more information about using iDRAC, see Dell Integrated Dell Remote Access Controller User's Guide at https:// www.dell.com/idracmanuals. Device Settings Device Settings enables you to configure device parameters such as storage controllers or network cards.
