Do not turn off your computer or disconnect from the power source while updating the BIOS as this could harm your computer. During the update, your computer will restart and you may briefly see a black screen.

Before updating, please read the installation instructions and important information noted below.

Dell Server BIOS PowerEdge R420 Version 2.0.21

Restart required AUTO INSTALLED This file was automatically installed as part of a recent update. If you are experiencing any issues, you can manually download and reinstall.
PowerEdge R420 BIOS Version 2.0.21
To view all drivers for your PowerEdge R420, go to Drivers and downloads.
Recommended
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R420_BIOS_8FD8H_WN64_2.0.21.EXE | 20.53 MB
This is a large file. Depending on your connection speed, it may take some time to download.

File Format: Update Package for MS Windows 64-Bit.
File Name: R420_BIOS_8FD8H_WN64_2.0.21.EXE
File Size: 20.53 MB
Format Description
Dell Update Packages in native Microsoft Windows 64-bit format do not require that Microsoft WOW64 be installed on the Microsoft Windows Server.
To ensure the integrity of your download, please verify the checksum value.
MD5:
2903732e22c25319b9d0d7a8980a058f
SHA1:
682f747eef9c5628426baa8b04b82a9dcfbda3e5
SHA-256:
54d2b5ae17d4ab67f5b8dbd16dafa3bce886fd13f688347432fbfacb3f1c2d0b

Find more updates. Use SupportAssist to find all the latest driver updates for your device.

Fixes & Enhancements

What's New
===========
* Added support for Intel Xeon E5-2400 V2 family of processors.
* Added support for Windows 2012 R2.
* Updated Intel chipset configuration compliant with latest BIOS specification Updates Rev 2.0.4.
* Updated Intel Xeon processor E5-2400 V2 product family microcode to 416.
* Updated Intel Management Engine (ME) binary to Rev 2.1.5. 0x87. Corrected an issue where throttling may be enforced, even after power cap restrictions are removed, if a system was under load during a warm reboot.
* Updated iDRAC HII configurator UEFI driver to v1.50.50.21:
- On the basis of functionality, reordered the links on the iDRAC Settings page.
- Updated the System Event Log page with a link to display the system event log messages.
- Updated the Reset iDRAC configuration to defaults page to dynamically refresh the percentage completion status of configuration.
- Updated the OS to iDRAC Pass Through page with an additional setting for USB NIC.
- Updated the online help content related to Thermal.

Fixes
======
Corrected the behavior of Dell Fault Resilient Mode to match with that of Mirror Mode when the DIMM population order does not support RAS features.
Read More

Version

2.0.21, 2.0.21

Release date

26 Nov 2013

Download Type

System BIOS

Category

BIOS

Importance

Recommended
Dell Technologies recommends applying this update during your next scheduled update cycle. The update contains changes to maintain overall system health. It ensures that the system software remains current and compatible with other system modules (firmware, BIOS, drivers, and software) and may include other new features.
View Important Information

File Format: A GnuPG file which contains a cryptographic signature
File Name: R420_BIOS_8FD8H_LN_2.0.21.BIN.sign
File Size: 189 Bytes
This is a large file. Depending on your connection speed, it may take some time to download.
Format Description:
The GnuPG signature for Red Hat Linux Update Package can be used to authenticate Dell's identity in the correlated Red Hat Linux Update Package.
To ensure the integrity of your download, please verify the checksum value.
MD5:
cad1acf7d86a19cbc3f96d1628e8e785
SHA1:
39734a4579551caac1a78a54bd448139c06e96f3
SHA-256:
4b5d8ec93de72067fb86762e1ac0bf599383402b62073f76e26ebbdfca9517ff

File Format: A self-extracting file for use in 64-bit machines
File Name: R420-020021C.efi
File Size: 8.08 MB
This is a large file. Depending on your connection speed, it may take some time to download.
Format Description:
This file contains compressed content that can be executed from the EFI Shell or EFI Boot Manager. Download the file to the EFI partition on a removable media device. Insert the removable media, then reboot the system and run the program from the EFI Shell or EFI Boot Manager.
To ensure the integrity of your download, please verify the checksum value.
MD5:
f359d81c51495a8847cca67141e10551
SHA1:
0ef0a2fb154041ae61ee1ed927da693f892bbdd4
SHA-256:
1a832afa5aa612236d5f0e0ae088bb2e2cd80a3d0e6f677ccdf7dbcc7ca40e46

File Format: Raw BIOS executable file - will NOT be repackaged regardless of Repackaging Options
File Name: R420-020021C.exe
File Size: 3.17 MB
This is a large file. Depending on your connection speed, it may take some time to download.
Format Description:
This file format consists of a BIOS-executable file. To use it, download the file and copy it to a DOS-bootable USB flash drive, then boot the system to the USB flash drive and run the program.
To ensure the integrity of your download, please verify the checksum value.
MD5:
ab1066e9db399cbeeba2d94e8aa9786b
SHA1:
32226f3e6b67a18b48db45ad326255d712ae9580
SHA-256:
f7cfcbb1ceb842033291a3c6828bf04ed32951e734a45959703141c0f80fd48d

File Format: An archive of PDF files to provide help and procedural information to the customers
File Name: R420_BIOS 02 00 21 Release Notes.pdf
File Size: 167.5 KB
This is a large file. Depending on your connection speed, it may take some time to download.
Format Description:
This format consists of an archive of PDF files used to provide help and procedural information to the customer. It is necessary to install the Adobe Acrobat Reader first to view the files in this archive.
To ensure the integrity of your download, please verify the checksum value.
MD5:
c6832bc07de673fddadbdb15cd712887
SHA1:
a0a515cfaee812887eef06caa26088630d869fa4
SHA-256:
7cb0e2d9b0bffb9d4549c21956929f4489bd9431655786ffbde2da6db929999d

File Format: External release notes
File Name: R420_BIOS 02 00 21 Release Notes.txt
File Size: 11.88 KB
This is a large file. Depending on your connection speed, it may take some time to download.
Format Description:
This file format contains plain text which can be viewed with a standard text editor.
To ensure the integrity of your download, please verify the checksum value.
MD5:
8af7e4dd817eb13d50682d53ce58e1ea
SHA1:
f357e008642c429b7c81159e9589e84a5c941bec
SHA-256:
5234425256b7e43f857f6f49c8d709803b48fd80e6f6840c2f193df03d655815

File Format: Update Package for MS Windows 32-Bit
File Name: R420_BIOS_8FD8H_WN32_2.0.21.EXE
File Size: 13.45 MB
This is a large file. Depending on your connection speed, it may take some time to download.
Format Description:
Dell Update Packages (DUP) in Microsoft Windows 32bit format have been designed to run on Microsoft Windows 64bit Operating Systems. Dell Update Packages (DUP) in Microsoft Windows 64bit format will only run on Microsoft Windows 64bit Operating Systems. When selecting a device driver update be sure to select the one that is appropriate for your operating system.
To ensure the integrity of your download, please verify the checksum value.
MD5:
4885f4f73fa6ba07fbde6f0a089233ee
SHA1:
724f2c9dc22810738eb09f7d3bdf0cd08f6664dc
SHA-256:
9917e865d8e3f254e8a0d4fc8d7c2d67c9f535744d19651be4ca618fb0869c1b

File Format: Update Package for Red Hat Linux
File Name: R420_BIOS_8FD8H_LN_2.0.21.BIN
File Size: 10.34 MB
This is a large file. Depending on your connection speed, it may take some time to download.
Format Description:
Dell Update Packages for Linux can be used as stand-alone applications that ensure that specific validation criteria are met, then apply an update.
Note: Update Packages for Linux are open source. See the Dell Update Packages for Linux Readme for details.
To ensure the integrity of your download, please verify the checksum value.
MD5:
6da675c3b5bbba2dcbd9281df6271e90
SHA1:
d841140f0d6fc5b8bfcd8dc20dbceac5b0a04633
SHA-256:
49810d2990a73d3cfa05ac2af2d3de90f89c84b1a103b43892815165290f14e1

By downloading, you accept the terms of the Dell Software License Agreement.

Additional details

Show All | Hide All
Back-flashing to BIOS versions earlier than 2.0.21 is not allowed if Intel Xeon E5-2400 V2 family processors are installed.
2.9.025 Mar 2020
2.7.019 Sep 2019
2.6.028 Jun 2018
2.5.107 Mar 2018
2.0.2210 Dec 2013
1.6.725 Sep 2013
1.5.226 Mar 2013
Server BIOS 12G
Dell Update Package Instructions for DRMK
Download
1. Click the "Download Now" link to download the file.
2. If the Export Compliance Disclaimer window appears, click the "I agree" link if you accept the agreement.
3. When the File Download window appears, click "Save" to save the file to your hard drive.
Installation
NOTE: You must provide a DOS bootable media, such as a USB key. This executable file does not create the DOS system files.
1. Browse to the location where you downloaded the file.
2. Update the name of the file to DOS recognizable format (8.3). If you do not update the filename to 8.3 format, the filename will be truncated to 8.3 format.
3. Copy the file to the bootable device.
4. Boot the system to DOS by using the bootable device.
5. Run the executable under DOS. Follow the instructions provided by the flash utility.
----------------------------------------------------------------------
Dell Update Package Instructions for EFI
Download
1. Click the "Download Now" linkto download the file.
2. If the Export Compliance Disclaimer window appears, click the "I agree" link if you accept the agreement.
3. When the File Download window appears, click "Save" to save the file to your hard drive.
Installation
You can update the BIOS using a UEFI shell bootable media, such as a USB key.
1. Copy the file to the bootable device with UEFI shell.
2. Boot the system to UEFI shell by using the bootable device.
3. Run the executable (.efi) under the UEFI shell. Follow the instructions provided by the flash utility.

You can also load this executable directly from BIOS Boot Manager without a UEFI shell bootable media.
1. Copy the file to a USB device
2. Plug in the USB device and press F11 during POST to enter BIOS Boot Manager
3. Navigate to the System Utilities menu and select BIOS Update File Explorer
4. Select the USB device and navigate through the directory contents to find the executable (.efi)
5. Launch the executable and follow the instructions provided bythe flash utility.
----------------------------------------------------------------------
Dell Update Package Instructions for Linux DUP:
Download
1. Click the "Download Now" link to download the file.
2. When the File Download window appears, click "Save" to save the file to your hard drive.
Installation
1. Read over the release information presented by executing the "./[model]_BIOS_LX_[revision].BIN --version" command from the shell.
2. Download and install any prerequisites identified in the above step before proceeding.
3. Install any necessary Embedded Systems Management firmware prior to this BIOS update.
4. Run the update by executing "./[model]_BIOS_LX_[version].BIN" from the shell.
5. Follow the remaining prompts to perform the update.
----------------------------------------------------------------------
Dell Update Package Instructions for Windows Dup:
Download
1. Click the "Download Now" link to download the file.
2. When the File Download window appears, click "Save" to save the file to your hard drive.
Installation
1. Browse to the location where you downloaded the file and double-click the new file.
2. Read over the release information presented in the dialog window.
3. Download and install any prerequisites identified in the dialog window before proceeding.
4. Install any necessary Embedded Systems Management firmware prior to this BIOS update.
5. Click the Install button.
6. Follow the remaining prompts to perform the update.
----------------------------------------------------------------------
GnuPG Signature of Dell Update Package Instructions:
Download
1. Click the "Download Now" link to download the file.
2. When the "File Download" window appears, click "Save" to save the file to your hard drive.
Installation
1. Import the Dell public key. (You only need to do once on your system.)
2. Verify the Dell Update Package by using its signature file, [model]_BIOS_LX_[version].BIN.sign

Reboot will be required

Need help with BIOS issues?

Find a solution in Dell's BIOS troubleshooting and usage guide.

Drivers help and tutorials