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Dell EMC PowerEdge R750xa

BIOS and UEFI Reference Guide

Part Number: E71S
Regulatory Type: E71S001
August 2022
Rev. A07

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Summary of Contents for E71S

Page 1: ...Dell EMC PowerEdge R750xa BIOS and UEFI Reference Guide Part Number E71S Regulatory Type E71S001 August 2022 Rev A07 ...

Page 2: ...mage 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 2021 2022 Dell Inc or its subsidiaries All rights reserved Dell Technologies Dell and other trademarks are trademarks of Dell Inc or its subsidiaries Other trademarks may be trademarks of their respective owners ...

Page 3: ...operating system management applications 4 System Setup 4 System BIOS 5 iDRAC Settings 24 Device Settings 24 Dell Lifecycle Controller 25 Embedded system management 25 Boot Manager 25 PXE boot 25 Contents Contents 3 ...

Page 4: ...etup 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 options on the System Setup Main Menu screen are described in the following table Table 1 System Setup Main Menu Option Description System BIOS Enables you to configure the BIOS setting...

Page 5: ...pported 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 frequency System Security Specifies options to con...

Page 6: ...bles the Node interleaving option Specifies if the Non Uniform Memory Architecture NUMA is supported If this field is set to Enabled memory interleaving is supported if a symmetric memory configuration is installed If the field is set to Disabled the system supports NUMA asymmetric memory configurations This option is set to Disabled by default ADDDC Settings Enables or disables ADDDC Setting feat...

Page 7: ...he frequency of the communication links among the processors in the system NOTE The standard and basic bin processors support lower link frequencies The options available are Maximum data rate 11 2 GT s 10 4 GT s and 9 6 GT s This option is set to Maximum data rate by default Maximum data rate indicates that the BIOS runs the communication links at the maximum frequency supported by the processors...

Page 8: ...roller iMC directly This option is set to Enabled by default XPT Prefetch This option is set to Enabled by default LLC Prefetch Enables or disables the LLC Prefetch on all threads This option is set to Enabled by default Dead Line LLC Alloc Enables or disables the Dead Line LLC Alloc This option is set to Enabled by default You can enable this option to enter the dead lines in LLC or disable the o...

Page 9: ...bo Dell Controlled Turbo Settings Controls the turbo engagement Enable this option only when System Profile is set to Performance or Custom and CPU Power Management is set to Performance This item can be selected for each system profile mode This option is set to Disabled by default NOTE Depending on the number of installed processors there might be up to two processor listings Dell AVX Scaling Te...

Page 10: ...re supports operating system recovery for cases of multiple recoverable faults that are detected close which would otherwise result in a fatal machine check event The feature is available only on Advanced RAS processors This option is set to Disabled by default Processor n NOTE Depending on the number of processors there might be up to n processors listed The following settings are displayed for e...

Page 11: ...gs menu to RAID Mode You may also need to change the Boot Mode setting to UEFI To view the NVMe Settings screen power on the system press F2 and click System Setup Main Menu System BIOS NVMe Settings Table 9 NVMe Settings details Option Description NVMe mode Enables or disables the boot mode The option is set to Non RAID mode by default BIOS NVMe driver Sets the drive type to boot the NVMe driver ...

Page 12: ...n set to Yes BIOS will delete variables of SysPrep and SysPrepOrder this option is a onetime option will reset to none when deleting variables This setting is only available in UEFI Boot Mode This option is set to None by default UEFI Boot Settings Specifies the UEFI boot sequence Enables or disables UEFI Boot options NOTE This option controls the UEFI boot order The first option in the list will ...

Page 13: ...o 4 Enables or disables the device When enabled a UEFI PXE boot option is created for the device PXE Device n Settings n 1 to 4 Enables you to control the configuration of the PXE device UEFI HTTP Settings Enables you to control the configuration of the UEFI HTTP device HTTP Device n n 1 to 4 Enables or disables the device When enabled a UEFI HTTP boot option is created for the device HTTP Device ...

Page 14: ...option is set to All Ports On by default When user accessible USB ports are 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 operating system 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 ...

Page 15: ...cles This option is set to 2K Cycles by default Current State of Embedded Video Controller Displays the current state of the embedded video controller The Current State of Embedded Video Controller option is a read only field If the Embedded Video Controller is the only display capability in the system that is no add in graphics card is installed then the Embedded Video Controller is automatically...

Page 16: ...y default The options available for System with serial COM port DB9 are On without Console Redirection On with Console Redirection via Com1 On with Console Redirection via Com2 Off Auto This option is set to Auto by default Serial Port Address Enables you to set the port address for serial devices This option is set to Serial Device1 COM2 Serial Device 2 COM1 by default NOTE You can use only Seria...

Page 17: ...ty or a specific speed This option is set to Maximum Performance by default Turbo Boost Enables or disables the processor to operate in the turbo boost mode This option is set to Enabled by default C1E Enables or disables the processor to switch to a minimum performance state when it is idle This option is set to Enabled by default C States Enables or disables the processor to operate in all avail...

Page 18: ... If this option is set to Latency Optimized the performance is better DDR latency This option is set to BW Optimized by default System Security To view the System Security screen power on the system press F2 and click System Setup Main Menu System BIOS System Security Table 19 System Security details Option Description CPU AES NI Improves the speed of applications by performing encryption and decr...

Page 19: ... 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 When set to Clear the storage and endorsement hierarchies are cleared of any values and then reset to Enabled TPM Advanced Settings TPM PPI Bypass Provision When set to Enabled allows the Operating Sys...

Page 20: ...elect Change to New random Owner EPOCHs or Manual User Defined Owner EPOCHs Each EPOCH is 64 bit After generating new EPOCH by selecting Change to New random Owner EPOCHs the selection reverts back to Manual User Defined Owner EPOCHs Software Guard Extensions Epoch n Sets the Software Guard Extensions Epoch values Enable writes to SGXLEPUBKEYHASH 3 0 from OS SW Enables or disables the Enable write...

Page 21: ...ere the BIOS authenticates each pre boot image by using the certificates in the Secure Boot Policy Secure Boot is set to Disabled by default Secure Boot Policy When Secure Boot policy is set to Standard the BIOS uses the system manufacturer s key and certificates to authenticate pre boot images When Secure Boot policy is set to Custom the BIOS uses the user defined key and certificates Secure Boot...

Page 22: ...d A password can have up to 32 characters A message prompts you to reenter the system password 5 Reenter the system password and click OK 6 In the Setup Password field type your setup password and press Enter or Tab A message prompts you to reenter the setup password 7 Reenter the setup password and click OK 8 Press Esc to return to the System BIOS screen Press Esc again A message prompts you to s...

Page 23: ...ype the correct setup password before modifying the system setup options If you do not type the correct password in three attempts the system displays the following message Invalid Password Number of unsuccessful password attempts x System Halted Must power down Even after you power off and restart the system the error message is displayed until the correct password is typed The following options ...

Page 24: ...yboard 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 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 Le...

Page 25: ...les you to select boot options and diagnostic utilities To enter Boot Manager power on the system and press F11 Table 26 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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