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- Page 1 Dell EMC PowerEdge R6525 BIOS and UEFI Reference Guide Part Number: E67S Regulatory Type: E67S001 August 2022 Rev. A08...
- Page 2 A WARNING indicates a potential for property damage, personal injury, or death. © 2019 - 2022 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries. Other trademarks may be trademarks of their respective owners.
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Page 3: Table Of Contents
Contents Chapter 1: Pre-operating system management applications............4 System Setup..................................4 System BIOS................................... 5 iDRAC Settings utility..............................21 Device Settings................................22 Dell Lifecycle Controller..............................22 Embedded system management..........................22 Boot Manager..................................22 PXE boot..................................... 22 Contents... -
Page 4: Chapter 1: Pre-Operating System Management Applications
UEFI (Unified Extensible Firmware Interface). You can enable or disable various iDRAC parameters by using the iDRAC settings utility. For more information about this utility, see Integrated Dell Remote Access Controller User’s Guide at www.dell.com/ poweredgemanuals. -
Page 5: System Bios
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. - Page 6 Table 3. System Information details (continued) Option Description System CPLD Version Specifies the current version of the system complex programmable logic device (CPLD) firmware. 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.
- Page 7 Table 5. Processor Settings details Option Description Logical Processor Each processor core supports up to two logical processors. If this option is set to Enabled, the BIOS displays all the logical processors. If this option is set to Disabled, the BIOS displays only one logical processor per core.
- Page 8 Table 5. Processor Settings details (continued) Option Description ● If the OS supports SME, do not enable this field. ● If the hypervisor supports SEV, do not enable this field. Enabling TSME affects the system memory performance. Enhanced REP MOVSB/STOSB Enables or disables Enhanced REP MOVSB/STOSB support.
- Page 9 Table 6. Processor n details Option Description Family-Model-Stepping Specifies the family, model, and stepping of the processor as defined by AMD. Brand Specifies the brand name. Level 2 Cache Specifies the total L2 cache. Level 3 Cache Specifies the total L3 cache. Number of Cores Specifies the number of cores per processor.
- Page 10 Dell Qualified NVMe drives always use the UEFINVMe driver built into the Dell EROS. When this option is set to 'All Drives', the BIOS driver will also be used with any NVMe drives in the system that has not been qualified by Dell. The option is set to Dell Qualified Drives by default.
- Page 11 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.
- Page 12 NOTE: Network Settings are not supported in BIOS boot mode. Table 12. Network Settings details Option Description UEFI PXE Settings Enables you to control the configuration of the UEFI PXE device. PXE Device n (n = 1 to 4) Enables or disables the device. When enabled, a UEFI PXE boot option is created for the device.
- Page 13 Table 14. HTTP Device n Settings details (continued) Option Description Secondary DNS Specifies the secondary DNS server IP address for the HTTP Device. Obtain URI from the DHCP server if not specified Table 15. UEFI iSCSI Settings screen details Option Description iSCSI Initiator Name Specifies the name of the iSCSI initiator in IQN format.
- Page 14 Table 17. Integrated Devices details (continued) Option Description embedded management controller. Configure the Embedded NIC1 and NIC2 option by using the NIC management utilities of the system. Embedded Video Controller Enables or disables the use of Embedded Video Controller as the primary display.
- Page 15 Table 17. Integrated Devices details (continued) Option Description system initializes the timer. When this option is set to Disabled (the default), the timer does not have any effect on the system. Memory Mapped I/O Limit Controls where MMIO is mapped. The 1 TB option is designed for specific OS which cannot support MMIO over 1 TB.
- Page 16 Table 18. Serial Communication details (continued) Option Description changed in iDRAC. Loading the BIOS default settings from within the BIOS setup utility may not always revert this setting to the default setting of Serial Device 1. Failsafe Baud Rate Specifies the failsafe baud rate for console redirection. The BIOS attempts to determine the baud rate automatically.
- Page 17 Table 19. System Profile Settings details (continued) Option Description Algorithm Performance Enables or disables the Algorithm Performance Boost Disable (ApbDis). This option is set to Boost Disable (ApbDis) Disabled by default. XGMI Max Speed This field specifies the processor's maximum XGMI speed. Dynamic Link Width Reduces the xGMI link width between sockets from x16 to x8 (default), when no traffic is Management (DLWM)
- Page 18 Table 22. TPM 2.0 security information (continued) Option Description When set to Disabled, the storage and endorsement hierarchies cannot be used. When set to Clear, the storage and endorsement hierarchies are cleared of any values, and then reset to Enabled. TPM Advanced Specifies TPM Advanced Settings details.
- Page 19 Table 23. System Security details Option Description Table 24. 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.
- Page 20 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.
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Page 21: Idrac Settings Utility
Enables or disables the Load Legacy Video Option ROM option. This option is set to Disabled by default. Dell Wyse P25/P45 BIOS Access Enables or disables the Dell Wyse P25/P45 BIOS Access. This option is set to Enabled by default. Power Cycle Request Enables or disables the Power Cycle Request. -
Page 22: Device Settings
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.