Dell EMC PowerEdge R450 BIOS and UEFI Reference Guide
Summary
This reference guide details BIOS and UEFI configuration for the Dell EMC PowerEdge R450 tower server. It covers System Setup, BIOS boot order, processor and memory configuration, integrated devices, power management, and security including secure boot and TPM. Additional sections describe iDRAC settings, Dell Lifecycle Controller, device settings, embedded management, Boot Manager, and PXE boot. Intended for IT professionals managing R450 servers in SMB environments.
Page 1 Text Content
Dell EMC Power Edge R450 BIOS and UEFI Reference Guide
Part Number: E74S Regulatory Type: E74S001 December 2021 Rev. A02
Page Summary Contents For Dell EMC PowerEdge R450 BIOS and UEFI Reference Guide
Page 1
Dell EMC Power Edge R450 BIOS and UEFI Reference Guide Part Number: E74S Regulatory Type: E74S001 December 2021 Rev. A02
Page 2
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 d...
Page 3
Contents Chapter 1: Pre-operating system management applications...........................................................4 System Setup..................................................................
Page 4
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. Options to manage the pre-oper...
Page 5
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 Provide...
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 Ve...
Page 7
Table 4. Memory Settings details (continued) Option Description Correctable Error Logging Enables or disables correctable error logging. This option is set to Enabled by default. Dark Memory: Total Me...
Page 8
Table 5. Processor Settings details (continued) Option Description Directory Mode Enables or disables the directory mode. This option is set to Enabled by default. Kernel DMA Protection When set to En...
Page 9
Table 5. Processor Settings details (continued) Option Description AVX P1 Enables you to reconfigure the processor Thermal Design Power (TDP) levels during POST based on the power and thermal delivery...
Page 10
Table 5. Processor Settings details (continued) Option Description Number of Cores per Processor Controls the number of enabled cores in each processor. This option is set to All by default. Processor...
Page 11
Table 7. SATA Settings details (continued) Option Description Write Cache Enables or disables the command for the embedded SATA drives during POST. This option is set to Disabled by default. Port n Se...
Page 12
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 this field ...
Page 13
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 instructions may vary if you have selected BIOS for Boot...
Page 14
Table 14. UEFI i SCSI Settings screen details (continued) Option Description i SCSI Device1 Enables or disables the i SCSI device. When disabled, a UEFI boot option is created for the i SCSI device au...
Page 15
Table 16. Integrated Devices details (continued) Option Description Embedded NIC1 and NIC2 Enables or disables the Embedded NIC1 and NIC2. If set to Disabled (OS), the NIC may still be available for s...
Page 16
Table 16. Integrated Devices details (continued) Option Description startup. If the slot is disabled, both the Option ROM and UEFI drivers are disabled. Only slots that are present on the system will ...
Page 17
Table 17. Serial Communication details (continued) Option Description setup utility may not always revert this setting to the default setting of Serial Device 1. Failsafe Baud Rate Specifies the fails...
Page 18
Table 18. System Profile Settings details (continued) Option Description Monitor/Mwait Enables the Monitor/Mwait instructions in the processor. This option is set to Enabled for all system profiles, e...
Page 19
Table 20. TPM 1.2 security information (continued) Option Description and deactivated. When set to Clear, all the contents of the TPM are cleared. This option is set to None by default. Table 21. TPM ...
Page 20
Table 22. System Security details (continued) Option Description Software Guard Extensions Epoch n: Sets the Software Guard Extensions Epoch values. Enable writes to Enables or disables the Enable wri...
Page 21
Table 22. System Security details (continued) Option Description Custom, the BIOS uses the user-defined key and certificates. Secure Boot policy is set to Standard by default. Secure Boot Mode Configu...
Page 22
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 retur...
Page 23
Even after you power 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 ...
Page 24
Table 25. Miscellaneous Settings details (continued) Option Description 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 ...
Page 25
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 ...
Manual Details
| Brand | Dell |
|---|---|
| Pages | 25 |
| File Size | 217.67 KB |
| Published | June 23, 2026 |
2 views
Enter the captcha to get the download link:
Frequently Asked Questions
How do I access System Setup on the Dell PowerEdge R450?
Power on the system and press F2 to access System Setup, or access it via iDRAC Dashboard.
What are the options for managing pre-operating system applications?
You can use System Setup, Dell Lifecycle Controller, Boot Manager, or PXE boot.
How do I enter the Boot Manager menu?
Power on the system and press F11 to access the Boot Manager.
What is the difference between System BIOS and iDRAC Settings?
System BIOS configures processor and memory settings, while iDRAC Settings configures remote management parameters.