Dell EMC C6525 BIOS and UEFI Reference Guide Part Number: E63S Series Regulatory Type: E63S001 April 2021 Rev.
Notes, cautions, and warnings NOTE: A NOTE indicates important information that helps you make better use of your product. CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem. WARNING: A WARNING indicates a potential for property damage, personal injury, or death. © 2019- 2021 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries.
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 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 Option Description displays 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 5. Processor Settings details (continued) Option Description Number of CCDs per Processor Controls the number of enabled CCDs in each processor. This option is set to All by default. Number of Cores per CCD Specifies the number of cores per CCD. This option is set to All by default. Processor Core Speed Specifies the maximum core frequency of the processor. Processor Bus Speed Specifies the bus speed of the processor.
Table 7. SATA Settings details Option Description Table 8. Port n Options Descriptions Model Specifies the drive model of the selected device. Drive Type Specifies the type of drive attached to the SATA port. Capacity Specifies the total capacity of the drive. This field is undefined for removable media devices such as optical drives. NVMe Settings To view the NVMe Settings screen, power on the system, press F2, and click System Setup Main Menu > System BIOS > NVMe Settings Table 9.
Table 10. Boot Settings details Option Description Boot Sequence Retry Enables or disables the Boot Sequence Retry feature. If this option is set to Enabled and the system fails to boot, the system re-attempts the boot sequence after 30 seconds. This option is set to Enabled by default. Hard-disk Failover Enables or disables the Hard-disk failover. This option is set to Disabled by default. Generic USB Boot Enables or disables the generic USB boot placeholder.
Steps 1. On the System Setup Main Menu screen, click System BIOS > Boot Settings > UEFI Boot Settings > UEFI Boot Sequence. 2. Use the arrow keys to select a boot device, and use the plus (+) and minus (-) sign keys to move the device down or up in the order. 3. Click Exit, and then click Yes to save the settings on exit. NOTE: You can also enable or disable boot order devices as needed.
Table 14. HTTP Device n Settings details Option Description Vlan Priority Shows the Vlan Priority for the HTTP device. DHCP Enables or disables DHCP for this HTTP device. This option is set to Enable by default. IP Address Specifies IP address for the HTTP device. Subnet Mask Specifies subnet mask for the HTTP device. Gateway Specifies gateway for the HTTP device. DNS info via DHCP Enables or disables DNS Information from DHCP. This option is set to Enable by default.
Table 17. Integrated Devices details (continued) Option Description detect any USB devices installed in this managed port. This option is set to On by default. Embedded NIC1 Enables or disables the Embedded NIC1 options. If set to Disabled (OS), the NIC may still be available for shared network access by the embedded management controller. Configure the Embedded NIC1 option by using the NIC management utilities of the system.
Table 17. Integrated Devices details Option Description 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. Only slots that are present on the system will be available for control. Slot n: Enables or disables or only the boot driver is disabled for the PCIe slot n. This option is set to Enabled by default.
System Profile Settings To view the System Profile Settings screen, power on the system, press F2, and click System Setup Main Menu > System BIOS > System Profile Settings. Table 19. System Profile Settings details Option Description System Profile Sets the system profile. If you set the System Profile option to a mode other than Custom, the BIOS automatically sets the rest of the options. You can only change the rest of the options if the mode is set to Custom.
Table 20. System Security details Option Description CPU AES-NI Improves the speed of applications by performing encryption and decryption by using the Advanced Encryption Standard Instruction Set (AES-NI). This option is set to Enabled by default. System Password Sets the system password. This option is set to Enabled by default and is read-only if the password jumper is not installed in the system. Setup Password Sets the setup password.
Table 23. System Security details (continued) Option Description UEFI Variable Access Provides varying degrees of securing UEFI variables. When set to Standard (the default), UEFI variables are accessible in the operating system per the UEFI specification. When set to Controlled, selected UEFI variables are protected in the environment and new UEFI boot entries are forced to be at the end of the current boot order.
Table 23. System Security details Option Description Table 25. Secure Boot Custom Policy Settings screen Options Descriptions Forbidden Signature Database Imports, exports, deletes, or restores entries in the Forbidden Signature Database (dbx). Creating a system and setup password Prerequisites Ensure that the password jumper is enabled. The password jumper enables or disables the system password and setup password features. For more information, see the System board jumper settings section.
Deleting or changing system and setup password Prerequisites NOTE: You cannot delete or change an existing system or setup password if the Password Status is set to Locked. Steps 1. To enter System Setup, press F2 immediately after turning on or restarting your system. 2. On the System Setup Main Menu screen, click System BIOS > System Security. 3. On the System Security screen, ensure that Password Status is set to Unlocked. 4.
Table 26. Redundant OS Control details Option Description When set to Visible, the backup disk is visible to the boot list and OS. When set to Hidden, the backup disk is disabled and is not visible to the boot list and OS. This option is set to Visible by default. NOTE: BIOS disables the device in hardware, so it is not accessed by the OS. Redundant OS Boot NOTE: This option is disabled if Redundant OS Location is set to None or if Redundant OS State is set to Hidden.
Dell Lifecycle Controller Dell Lifecycle Controller (LC) provides advanced embedded systems management capabilities including system deployment, configuration, update, maintenance, and diagnosis. LC is delivered as part of the iDRAC out-of-band solution and Dell system embedded Unified Extensible Firmware Interface (UEFI) applications. Embedded system management The Dell Lifecycle Controller provides advanced embedded system management throughout the lifecycle of the system.
