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Dell EMC PowerEdge R7515

BIOS and UEFI Reference Guide

Part Number: E46S
Regulatory Type: E46S003
Dec 2021
Rev. A09

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Summary of Contents for E46S Series

Page 1: ...Dell EMC PowerEdge R7515 BIOS and UEFI Reference Guide Part Number E46S Regulatory Type E46S003 Dec 2021 Rev A09 ...

Page 2: ...tial 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 Other trademarks may be trademarks of their respective owners ...

Page 3: ...ating system management applications 4 System Setup 4 System BIOS 5 iDRAC Settings utility 21 Device Settings 21 Dell Lifecycle Controller 22 Embedded system management 22 Boot Manager 22 PXE boot 22 Contents Contents 3 ...

Page 4: ...d by using Console Redirection To view System Setup power on the system press F2 and click System Setup Main Menu NOTE If the operating system begins to load before you press F2 wait for the system to finish booting and then restart the system and try again The System Setup Main Menu screen details are described as follows Table 1 System Setup Main Menu Option Description System BIOS Enables you t...

Page 5: ...ce Settings menu NOTE Network Settings are not supported in BIOS boot mode Integrated Devices Specifies options to manage integrated device controllers and ports specifies related features and options Serial Communication Specifies options to manage the serial ports its related features and options System Profile Settings Specifies options to change the processor power management settings memory f...

Page 6: ... is set to Disabled by default DRAM Refresh Delay By enabling the CPU memory controller to delay running the REFRESH commands you can improve the performance for some workloads By minimizing the delay time it is ensured that the memory controller runs the REFRESH command at regular intervals For Intel based servers this setting only affects systems configured with DIMMs which use 8 Gb density DRAM...

Page 7: ...overall workload L1 Region Prefetcher Enables or disables the L1 region prefetcher This option is set to Enabled by default as it optimizes overall workload L2 Up Down Prefetcher Enables or disables the L2 up down prefetcher This option is set to Enabled by default as it optimizes overall workload MADT Core Enumeration Specifies the MADT Core Enumeration This option is set to Linear by default NUM...

Page 8: ...for the AMD EPYC 7003 processor Configurable TDP Allows the reconfiguration of the processor Thermal Design Power TDP levels based on the power and thermal delivery capabilities of the system TDP refers to the maximum amount of power the cooling system is required to dissipate This option is set to Maximum by default NOTE This option is only available on certain SKUs of the processors and the numb...

Page 9: ...u should set the field to Non RAID mode 2 No ESXi and Ubuntu OS support under RAID mode Security Freeze Lock Sends Security Freeze Lock command to the embedded SATA drives during POST This option is applicable only for AHCI Mode This option is set to Enabled by default Write Cache Enables or disables the command for the embedded SATA drives during POST This option is set to Disabled by default Por...

Page 10: ...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 10 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 th...

Page 11: ... 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...

Page 12: ...his option is set to Enable or Disable This option is set to Disable by default Vlan ID Shows the Vlan ID for the PXE device Vlan Priority Shows the Vlan Priority for the PXE device Table 14 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 s...

Page 13: ...option is set to All Ports On by default 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 w...

Page 14: ...alization SR IOV devices This option is set to Disabled by default Internal SD Card Port Enables or disables the internal SD card port of the Internal Dual SD Module IDSDM This option is set to On by default Internal SD Card Redundancy Configures the redundancy mode of the Internal Dual SD Module IDSDM When set to Mirror Mode data is written on both SD cards After failure of either card and replac...

Page 15: ...ncs the serial MUX setting that is saved in iDRAC The serial MUX setting can independently be changed in iDRAC Loading the BIOS default settings from within the BIOS setup utility may not always revert the serial MUX setting to the default setting of Serial Device 1 External Serial Connector Enables you to associate the External Serial Connector to Serial Device 1 Serial Device 2 or the Remote Acc...

Page 16: ...and frequency jitter This option is set to Enabled by default Write Data CRC When set to Enabled DDR4 data bus issues are detected and corrected during write operations Two extra cycles are required for CRC bit generation which impacts the performance Read only unless System Profile is set to Custom This option is set to Disabled by default Memory Patrol Scrub Sets the memory patrol scrub mode Thi...

Page 17: ...nges 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 Status Specifies the TPM status TPM Command Controls the Trusted Platform Module TPM When set to None no command is sent to the TPM When set to Activate the TPM is enabled and activated When set to Deactivate the TPM is disabled and deactivated When set to Cle...

Page 18: ...ined key and certificates Secure Boot policy is set to Standard by default Secure Boot Mode Configures how the BIOS uses the Secure Boot Policy Objects PK KEK db dbx 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 24 Secure Boot Mode Optio...

Page 19: ...n to the System BIOS screen Press Esc again A message prompts you to save the changes NOTE Password protection does not take effect until the system reboots Using your system password to secure your system About this task If you have assigned a setup password the system accepts your setup password as an alternate system password Steps 1 Turn on or reboot your system 2 Type the system password and ...

Page 20: ...s exceeded System halted Even after you turn off and restart the system the error message is displayed until the correct password is typed The following options are exceptions If System Password is not set to Enabled and is not locked through the Password Status option you can assign a system password For more information see the System Security Settings screen section You cannot disable or change...

Page 21: ...not apply to 84 key keyboards F1 F2 Prompt on Error Enables or disables the F1 F2 prompt on error This option is set to Enabled by default The F1 F2 prompt also includes keyboard errors Load Legacy Video Option ROM 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...

Page 22: ...les 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 opt...

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