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 2.9.0

Restart required Installed This file was automatically installed as part of a recent update. If you are experiencing any issues, you can manually download and reinstall.
Enhanced the BIOS security protection features. Updated the Intel SINIT version to v2.5.1. For more information about specific items added and resolved in this BIOS version, see the Fixes and New and enhanced features sections.
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Fixes & Enhancements

Fixes
- None for this release.

Enhancements
- Enhancement to address the security vulnerabilities (Common Vulnerabilities and Exposures--CVE) such as CVE-2019-0151.
- Updated the Intel SINIT version to v2.5.1.
Read More

Version

2.9.0, 2.9.0

Release date

25 Mar 2020

Download Type

System BIOS

Category

BIOS

Importance

Urgent
Dell Technologies highly recommends applying this important update as soon as possible. The update contains critical bug fixes and changes to improve functionality, reliability, and stability of your Dell system. It may also include security fixes and other feature enhancements.
Available formats View Important Information

File Format: Update Package for MS Windows 64-Bit.
File Name: BIOS_G4M23_WN64_2.9.0.EXE
File Size: 12.73 MB
This is a large file. Depending on your connection speed, it may take some time to download.
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:
9e5b4b512847fd41bad19aefcac88388
SHA1:
f39f40758c3732333cf1d0274af2aa4b1ac69941
SHA-256:
fcad07c8022ce28118850b905976e8a238cedfa6949570eaa5096ca554f5979e

File Format: A GnuPG file which contains a cryptographic signature
File Name: BIOS_G4M23_LN_2.9.0.BIN.sign
File Size: 226 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:
c084bbabcf3fa96936e1255ac15d4083
SHA1:
47380842fc78b88cd22d820a018f236e0755eeef
SHA-256:
575b495ff3f97c78b99b5dd439eaf25846cb1dc0900228d89f4674568e1749db

File Format: A self-extracting file for use in 64-bit machines
File Name: R420-020900C.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:
ba256d4f12c306ced6d4d6e7e85a67a3
SHA1:
775c37505c3cf373a8d1417fe0ef3d4153bef12c
SHA-256:
726c5148f1cc366543998aa703cd0d590263d5b601be4fcc14f8a44d77dab3c0

File Format: Flash BIOS executable
File Name: R420-020900C.exe
File Size: 3.21 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:
ab1672e4f0ce156626e20fc7cd41ba1c
SHA1:
dbad02022d814c1437d974048484e63a5b0bb43e
SHA-256:
8b0c1582cd6dc3422b551a22da018bbc758cf7f665f170537a2e7804a165edec

File Format: An archive of PDF files to provide help and procedural information to the customers
File Name: R420_BIOS.2.9.0_RN.pdf
File Size: 112.25 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:
aac6c7863b85027b22e74dc571f54d17
SHA1:
da4185e89173f3ce4980a10858acd0cd40023e9f
SHA-256:
3eb9410c9fc101d96a31cae6639c5695d9a1c6a596ac47f0e9c4931419805122

File Format: Update Package for MS Windows 32-Bit
File Name: BIOS_G4M23_WN32_2.9.0.EXE
File Size: 11.28 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:
57376e771477e2ae6bb83caa62cdee21
SHA1:
be5431ae6ac92a828407e2ea1bca7e59761394de
SHA-256:
a684ad2c8a90b651d72676b2fa42fa28cc68696af9ae3c211fa5af6705aa157b

File Format: Update Package for Red Hat Linux
File Name: BIOS_G4M23_LN_2.9.0.BIN
File Size: 60.75 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:
f769a714a93a25815de78945da8a2f43
SHA1:
cdfb014397b8d555934a16117f7b7696f3f5e7b2
SHA-256:
a036b2d261cacbad37c1d5061491934347a3f4496b52fc01441e08552f103acf

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

Additional details

Show All | Hide All
None for this release.
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" 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
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 by the 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

Need help with BIOS issues?

Find a solution in Dell's BIOS troubleshooting guide

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