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 T420 Version 2.6.0
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 T420 BIOS Version 2.6.0
Recommended
Check compatibility
Enter your Dell Service Tag or model
Want to look up your product? Enter a product identifier. Show me how
This driver is not compatible
This driver is not applicable for the selected product. Choose another product to re-enter your product details for this driver or visit the Product Support page to view all drivers for a different product.
Sign in to Windows as an admin to use automatic scan. If your're already signed in as an admin and seeing this message, please reboot. Your system is managed by your IT admin and features might be limited.
Find more updates. Use SupportAssist to find all the latest driver updates for your device.
Fixes & Enhancements
Fixes
-None for this release.
Enhancements
-Enhancement to address security vulnerability CVE-2018-3639 (https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-3639).
-Enhancement to address security vulnerability CVE-2018-3640 (https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-3640).
-Updated the Intel Xeon Processor E5-2600 v2 Product Family Processor Microcode to version 0x42D.
-Updated the Intel Xeon Processor E5-2600 Product Family Processor (C-1 Stepping) Microcode to version 0x61D.
-Updated the Intel Xeon Processor E5-2600 Product Family Processor (C-2 Stepping) Microcode to version 0x714.
Read More-None for this release.
Enhancements
-Enhancement to address security vulnerability CVE-2018-3639 (https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-3639).
-Enhancement to address security vulnerability CVE-2018-3640 (https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-3640).
-Updated the Intel Xeon Processor E5-2600 v2 Product Family Processor Microcode to version 0x42D.
-Updated the Intel Xeon Processor E5-2600 Product Family Processor (C-1 Stepping) Microcode to version 0x61D.
-Updated the Intel Xeon Processor E5-2600 Product Family Processor (C-2 Stepping) Microcode to version 0x714.
Version
2.6.0, 2.6.0
Release date
28 Jun 2018
Download Type
System BIOS
Category
BIOS
Importance
UrgentDell 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_4R1WW_WN64_2.6.0_01.EXE
File Size: 15.4 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:
77db19e354c015b2c0fea00ae52b7584
SHA1:
59462dab29cadd2a6130b345b2ff87d0508e272e
SHA-256:
87b206e43041aeb997caf8719b91d27d3ac5118d822dcc8cb1a720418bff83c6
File Format: A GnuPG file which contains a cryptographic signature
File Name: BIOS_4R1WW_LN_2.6.0.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:
92e350b9075127be6af843832402c73f
SHA1:
1bcd4c3e10d0ec858d78a2750851fa1adbcd5996
SHA-256:
6aefbce679ea1ad7c9296a9a41bbefd8b6555b17f43f1c5ec5b79a189b324e87
File Format: A self-extracting file for use in 64-bit machines
File Name: T420-020600C.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:
3d02f60e5181f77bbd6a2d835149739b
SHA1:
260dfeb5268fc4db5f388cff88aa83093e7b839d
SHA-256:
648479d72b3843e859d7cea0456e453a5f64529001c484c1634d33c9283d069b
File Format: Flash BIOS executable
File Name: T420-020600C.exe
File Size: 3.2 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:
1bdbcf13bef96246d528ebd8c58ded54
SHA1:
b30110ccd6ddc387e3a87d416a71e779c2141645
SHA-256:
e4c45463bf61800dd808c47e56b01953e81c18d4ef39a6254a5204a08e12fa5b
File Format: An archive of PDF files to provide help and procedural information to the customers
File Name: T420_BIOS_02_06_00_Release_Notes.pdf
File Size: 522.46 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:
2a5764aaccf8fa669f32c1d18a82fcdc
SHA1:
7285118f9dbce07d69fee79e3b5c9d58ed254ce3
SHA-256:
4fae1257adc850bc7dd4bc63b73a8fddb06f7418ea802cfd87c2d5122f989a34
File Format: Update Package for MS Windows 32-Bit
File Name: BIOS_4R1WW_WN32_2.6.0_01.EXE
File Size: 10.5 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:
86abb49ae7437e2b4ad16aeb7fe9a6b1
SHA1:
3d3218056acb602b54e0704b81927b6ad10fee77
SHA-256:
9c37f5dcca483c156105efbde4b16dbc480b5c05496ce3503d72608857efedb5
File Format: Update Package for Red Hat Linux
File Name: BIOS_4R1WW_LN_2.6.0.BIN
File Size: 11.96 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.
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:
6cffce4b0d8f66a603594b435531bab0
SHA1:
fa8634e44df29d7532a89ddb1d57937ab1513737
SHA-256:
fceca1808ba21e970b4eefbedae0bd90383f29fdb9d8feee6bbecdf4b8180284
By downloading, you accept the terms of the Dell Software License Agreement.
Supported Operating Systems
Not Applicable
Applies to
PowerEdge T420 BIOS
Installation instructions
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
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 and usage guide.Drivers help and tutorials
For more downloads go to the Drivers and downloads. For help on using the information on this page, please visit Driver Help and Tutorials.