Dell E74S Reference Manual Download

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Table 26. Boot Manager details (continued)

Option

Description

One-shot Boot Menu

Enables you to access boot menu, where you can select a one-time boot device
to boot from.

Launch System Setup

Enables you to access System Setup.

Launch Lifecycle Controller

Exits the Boot Manager and invokes the Dell Lifecycle Controller program.

System Utilities

Enables you to launch System Utilities menu such as Launch Diagnostics, BIOS
update File Explorer, Reboot System.

PXE boot

You can use the Preboot Execution Environment (PXE) option to boot and configure the networked systems remotely.

To access the

PXE boot

option, boot the system and then press F12 during POST instead of using standard Boot Sequence

from BIOS Setup. It does not pull any menu or allows managing of network devices.

Pre-operating system management applications

Summary of Contents for E74S

Page 1: ...Dell EMC PowerEdge R450 BIOS and UEFI Reference Guide Part Number E74S Regulatory Type E74S001 December 2021 Rev A02 ...

Page 2: ...ential 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 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 24 Device Settings 24 Dell Lifecycle Controller 24 Embedded system management 24 Boot Manager 24 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: ... 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 You can also select specific frequencies that the processors support which can vary For best performance you should select Maximum data rate Any reduction in the communication link frequency affects the performance of n...

Page 8: ...ore Enumeration This option is set to default in Round Robin Linear option supports industry core enumeration whereas Round Robin option supports Dell optimized core enumeration UPI Prefetch Enables you to get the memory read started early on DDR bus The Ultra Path Interconnect UPI Rx path spawns the speculative memory that is read to Integrated Memory Controller iMC directly This option is set to...

Page 9: ... processors 64 cores configuration x2APIC mode is not switchable if 256 threads are enabled BIOS settings All CCD cores and logical processors enabled AVX ICCP Pre Grant License Enables or disables AVX ICCP Pre Grant License This option is set to Disabled by default AVX ICC Pre Grant Level Enables you to select between the different AVX ICC transition levels offered by Intel This option is set to ...

Page 10: ...ent The feature is available only on Advanced RAS processors This option is set to Disabled by default Processor nProcessor 1 NOTE Depending on the number of processors there might be up to n processors listed The following settings are displayed for each processor Table 6 Processor n details Option Description Family Model Stepping Specifies the family model and stepping of the processor as defin...

Page 11: ...ion 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 The available options are Dell Qualified Drives and All Drives This option is set to Dell Qualified Drives by default Boot Settings You can use the Boot Settings screen to set the boot mode to either BIOS or UEFI It also enables you ...

Page 12: ...pOrder 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 be attempted first Table 11 UEFI Boot Settings Option Descrip...

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 256 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 automaticall...

Page 16: ...stem without serial COM port DB9 are On without Console Redirection On with Console Redirection Off This option is set to Off by 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 a...

Page 17: ...rmance OS DBPM Memory Frequency Sets the speed of the system memory You can select Maximum Performance Maximum Reliability 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 whe...

Page 18: ...ruction 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 This option is read only if the password jumper is not installed in the system Password Status Locks the system password This option is set to Unloc...

Page 19: ... TPM Security must be enabled with Pre boot measurements This option is set to Off by default It is set On for Secure Launch Firmware Protection support on Windows 2022 Memory Encryption Enables or disables the Intel Total Memory Encryption TME and Multi Tenant Intel TME MT When option is set to Disabled BIOS disables both TME and MK TME technology When option is set to Single Key BIOS enables the...

Page 20: ...elay for power up When this option is set to User Defined the system delay time is manually to power up User Defined Delay 60 s to 600 s Sets the User Defined Delay option when the User Defined option for AC Power Recovery Delay is selected The actual AC recovery time needs to add iDRAC root of trust time around 50 seconds UEFI Variable Access Provides varying degrees of securing UEFI variables Wh...

Page 21: ...e installed and the BIOS performs signature verification on programmatic attempts to update policy objects Deployed Mode restricts the programmatic mode transitions Secure Boot Policy Summary Specifies the list of certificates and hashes that secure boot uses to authenticate images Secure Boot Custom Policy Settings Configures the Secure Boot Custom Policy To enable this option set the Secure Boot...

Page 22: ...rd 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 In the System Password field alter or delete the existing system password and then press Enter or Tab 5 In th...

Page 23: ...This option is disabled if Redundant OS Location is set to None 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 ...

Page 24: ...ecycle 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 thro...

Page 25: ...ntroller program System Utilities Enables you to launch System Utilities menu such as Launch Diagnostics BIOS update File Explorer Reboot System PXE boot You can use the Preboot Execution Environment PXE option to boot and configure the networked systems remotely To access the PXE boot option boot the system and then press F12 during POST instead of using standard Boot Sequence from BIOS Setup It ...

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