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.
Table 6. Processor n details (continued) Option Description Microcode Specifies the processor microcode version. 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.
○ Faster boot time. NOTE: You must use only the UEFI boot mode in order to boot from NVMe drives. ● BIOS: The BIOS Boot Mode is the legacy boot mode. It is maintained for backward compatibility. 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.
NOTE: Operating systems must be UEFI-compatible to be installed from the UEFI boot mode. DOS and 32-bit operating systems do not support UEFI and can only be installed from the BIOS boot mode. NOTE: For the latest information about supported operating systems, go to www.dell.com/ossupport. 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.
Table 12. PXE Device n Settings details (continued) Option Description Vlan ID Shows the Vlan ID for the PXE device Vlan Priority Shows the Vlan Priority for the PXE device. 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.
Integrated Devices To view the Integrated Devices screen, power on the system, press F2, and click System Setup Main Menu > System BIOS > Integrated Devices. Table 16. Integrated Devices details Option Description User Accessible USB Ports Configures the user accessible USB ports. Selecting All Ports Off disables all front and back USB ports. This option is set to All Ports On by default. The USB keyboard and mouse still function in certain USB ports during the boot process, depending on the selection.
Table 16. Integrated Devices details (continued) Option Description Slot Disablement Enables or disables the available PCIe slots on your system. The slot disablement feature controls the configuration of the PCIe cards installed in the specified slot. Slots must be disabled only when the installed peripheral card prevents booting into the operating system or causes delays in system startup. If the slot is disabled, both the Option ROM and UEFI drivers are disabled.
Table 18. System Profile Settings details (continued) Option Description options if the mode is set to Custom. This option is set to Performance Per Watt (OS) by default. Other options include Performance and Custom. NOTE: All the parameters on the system profile setting screen are available only when the System Profile option is set to Custom. CPU Power Management Sets the CPU power management. This option is set to OS DBPM by default. Other option includes Maximum Performance.
Table 20. TPM 1.2 security information Option Description TPM Security NOTE: The TPM menu is available only when the TPM module is installed. Enables you to control the reporting mode of the TPM. The TPM Security option is set to Off by default. You can only modify the TPM Status, and TPM Activation if the TPM Status field is set to either On with Pre-boot Measurements or On without Pre-boot Measurements. When TPM 1.
Table 22. System Security details (continued) Option Description If the current mode is set to Deployed Mode, the available options are User Mode and Deployed Mode. If the current mode is set to User Mode, the available options are User Mode, Audit Mode, and Deployed Mode. Table 23. Secure Boot Mode Options Descriptions User Mode In User Mode, PK must be installed, and BIOS performs signature verification on programmatic attempts to update policy objects.
Steps 1. To enter System Setup, press F2 immediately after turning on or rebooting your system. 2. On the System Setup Main Menu screen, click System BIOS > System Security. 3. On the System Security screen, verify that Password Status is set to Unlocked. 4. In the System Password field, type your system password, and press Enter or Tab. Use the following guidelines to assign the system password: ● A password can have up to 32 characters. A message prompts you to reenter the system password. 5.
NOTE: If you change the system password or setup password, a message prompts you to reenter the new password. If you delete the system password or setup password, a message prompts you to confirm the deletion. Operating with setup password enabled If Setup Password is set to Enabled, type the correct setup password before modifying the system setup options.
Table 26. Miscellaneous Settings details Option Description System Time Enables you to set the time on the system. System Date Enables you to set the date on the system. Asset Tag Specifies the asset tag and enables you to modify it for security and tracking purposes. Keyboard NumLock Enables you to set whether the system boots with the NumLock enabled or disabled. This option is set to On by default. NOTE: This option does not apply to 84-key keyboards.
Boot Manager The Boot Manager option enables you to select boot options and diagnostic utilities. To enter Boot Manager, power on the system and press F11. Table 27. Boot Manager details Option Description Continue Normal Boot The system attempts to boot to devices starting with the first item in the boot order. If the boot attempt fails, the system continues with the next item in the boot order until the boot is successful or no more boot options are found.
