Dell EMC PowerEdge R450 BIOS and UEFI Reference Guide Part Number: E74S Regulatory Type: E74S001 July 2021 Rev.
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Contents Chapter 1: Pre-operating system management applications...........................................................4 System Setup....................................................................................................................................................................... 4 System BIOS................................................................................................................................................................... 5 iDRAC Settings utility......
1 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.
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. Memory Settings Specifies information and options related to the installed memory. Processor Settings Specifies information and options related to the processor such as speed and cache size.
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. Memory Settings To view the Memory Settings screen, power on the system, press F2, and click System Setup Main Menu > System BIOS > Memory Settings. Table 4.
Table 4. Memory Settings details (continued) Option Description Dark Memory: Total Memory Available Enables or Disables dark memory feature. Dark Memory feature allows software to change memory size. The option is set to Disabled in default, need to be enabled by personality module. Processor Settings To view the Processor Settings screen, power on the system, press F2, and click System Setup Main Menu > System BIOS > Processor Settings. Table 5.
Table 5. Processor Settings details (continued) Option Description DCU IP Prefetcher Enables or disables the Data Cache Unit (DCU) IP prefetcher. This option is set to Enabled by default. Sub NUMA Cluster Enables or disables the Sub NUMA Cluster. This option is set to Disabled by default. MADT Core Enumeration Specifies the MADT Core Enumeration. This option is set to default in Round Robin. UPI Prefetch Enables you to get the memory read started early on DDR bus.
Table 5. Processor Settings details (continued) Option Description x2APIC Mode Enables or disables x2APIC mode. This option is set to Enabled by default. NOTE: For two 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.
Table 6. Processor n details Option Description Family-Model-Stepping Specifies the family, model, and stepping of the processor as defined by Intel. 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. Maximum Memory Capacity Specifies the maximum memory capacity per processor. Microcode Specifies the processor microcode version.
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. 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 to specify the boot order.
Table 10. Boot Settings details Option Description Table 11. UEFI Boot Settings (continued) Option Description Boot Options Enable/Disable Enables you to select the enabled or disabled boot devices Choosing system boot mode System Setup enables you to specify one of the following boot modes for installing your operating system: ● UEFI boot mode (the default), is an enhanced 64-bit boot interface. If you have configured your system to boot to UEFI mode, it replaces the system BIOS. 1.
Table 12. Network Settings details (continued) Option Description PXE Device n (n = 1 to 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.
Table 16. Integrated Devices details (continued) Option Description back USB ports; selecting All Ports Off (Dynamic) disables all front and back USB ports during POST. This 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.
Table 16. Integrated Devices details (continued) Option Description SR-IOV Global Enable Enables or disables the BIOS configuration of Single Root I/O Virtualization (SR-IOV) devices. This option is set to Disabled by default. OS Watchdog Timer If your system stops responding, this watchdog timer aids in the recovery of your operating system. When this option is set to Enabled, the operating system initializes the timer.
Table 17. Serial Communication details (continued) Option Description 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 Serial Device 2 for the Serial Over LAN (SOL) feature. To use console redirection by SOL, configure the same port address for console redirection and the serial device.
Table 18. System Profile Settings details (continued) Option Description 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 available power states. C States allow the processor to enter lower power states when idle.
Table 20. TPM 1.2 security information Option Description TPM Information TPM Security NOTE: The TPM menu is available only when the TPM module is installed. Enables you to control the reporting mode of the TPM. The TPM Security option is set to Off by default. You can only modify the TPM Status, and TPM Activation if the TPM Status field is set to either On with Pre-boot Measurements or On without Pre-boot Measurements. When TPM 1.
Table 22. System Security details (continued) Option Description must be disabled. This option is set to Off by default. When this option is to Off, BIOS disables the SGX technology. When this option is to On, BIOS enables the SGX technology. SGX Package Info In-Band Access Enables you to access the Intel Software Guard Extension (SGX) package info in-band option. This option is set to Off by default. PPMRR Size Sets the PPMRR size. SGX QoS Enables or disables the SGX quality of service.
Table 22. System Security details (continued) Option Description band management tools. All management should be managed through out-of-band. This option is set to Enabled by default. NOTE: BIOS update requires HECI devices to be operational and DUP updates require IPMI interface to be operational. This setting needs to be set to Enabled to avoid updating errors. SMM Security Migration Enables or disables the UEFI SMM security migration protections.
Steps 1. To enter System Setup, press F2 immediately after turning on or rebooting your system. 2. On the System Setup Main Menu screen, click System BIOS > System Security. 3. On the System Security screen, verify that Password Status is set to Unlocked. 4. In the System Password field, type your system password, and press Enter or Tab. Use the following guidelines to assign the system password: ● A password can have up to 32 characters. A message prompts you to reenter the system password. 5.
NOTE: If you change the system password or setup password, a message prompts you to reenter the new password. If you delete the system password or setup password, a message prompts you to confirm the deletion. Operating with setup password enabled If Setup Password is set to Enabled, type the correct setup password before modifying the system setup options.
Table 25. Miscellaneous Settings details Option Description System Time Enables you to set the time on the system. System Date Enables you to set the date on the system. Asset Tag Specifies the asset tag and enables you to modify it for security and tracking purposes. Keyboard 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.
Boot Manager The Boot Manager option enables 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 options are found.