Download Files
File Format: Dell Update Packages in native Microsoft Windows 64-bit format do not require that Microsoft WOW64 be installed on the Microsoft Windows Server.
File Name: T420_BIOS_HFC8C_WN64_2.0.21.EXE
File size: 20.53 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: 02118ecfee0a23b0d4a49d787d32b1df
SHA1: f066085ef14010dac48989560ec3c567056eea4d
SHA-256: d717a5f66af1af2944c608a53d94f72e50a0873eb56878e4502bdc36e50c1cea
File Format: 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.
File Name: T420_BIOS_HFC8C_LN_2.0.21.BIN.sign
File size: 189 Bytes
To ensure the integrity of your download, please verify the checksum value.
MD5: a94424ccee42cf7662362ddf9eea0a1a
SHA1: 53e09b5e96849564fd985cff45c2d4d907c21fac
SHA-256: 24abd6b9a393401788b7bb40555bc1b7ff0d576739e23c67a18818293e893d60
File Format: 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.
File Name: T420-020021C.efi
File size: 8.08 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: 7cabf526d915533d2c40d38a0babd648
SHA1: 14ae9ec3beaecd3fe92f8ef39fd6085792fe6395
SHA-256: b662743a5133d06c3b30e61fc2136acfb0d56d1c0f0e4807e4b9442945d9e02c
File Format: 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.
File Name: T420-020021C.exe
File size: 3.17 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: 99f08a76e1bed28e7de4aca20c0378cf
SHA1: da5f22788ecbe2dcc5b80ebc95245bce9d87b243
SHA-256: 73d4a6c9d8f73d38d57873ad923d6a6f662475d2686ac0d6fe1c1017cf632c4a
File Format: 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.
File Name: T420_BIOS 02 00 21 Release Notes.pdf
File size: 238.49 KB
To ensure the integrity of your download, please verify the checksum value.
MD5: 5be0270362430bb54d1d38871b8c0bcf
SHA1: 474c474efb3f22f6742b9bcc608a8785fcb0d602
SHA-256: e1658f4d3e7f9063e8e6984871af26c564e78dc1fd6f081ec159e2fb5d46197f
File Format: This file format contains plain text which can be viewed with a standard text editor.
File Name: T420_BIOS 02 00 21 Release Notes.txt
File size: 11.41 KB
To ensure the integrity of your download, please verify the checksum value.
MD5: 3c4315e17dfdedb0a7260eb302efb2b4
SHA1: 003af40eddfb96adf29da6fe5170465dd8358a3a
SHA-256: d9a6280c9da1c9495dd5d1deec7a1fc4a027579767675beaeaca20ce1a5f4d38
File Format: 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.
File Name: T420_BIOS_HFC8C_WN32_2.0.21.EXE
File size: 13.45 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: b98b5eb824e9cdd9eac687351ebba25c
SHA1: ef5b61bf116fa5ee0a5970ce0f62273ffb7a3801
SHA-256: 7161e7ba68286701853686183bfde6db692d5fa9a0acf9c34a9e86f17c32c8a1
File Format: Dell Update Packages for Linux can be used as stand-alone applications that ensure that specific validation criteria are met, then apply an update.<br /><b>Note:</b> Update Packages for Linux are open source. See the Dell Update Packages for Linux Readme for details.
File Name: T420_BIOS_HFC8C_LN_2.0.21.BIN
File size: 10.34 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: 611ecf7114bc114b116be8aa4149c409
SHA1: b50dbfb7266be3177072879c167426a91edae8c8
SHA-256: a1f921775dbd50f8d2b24695e85eb7a0f72a80ed295f4539b27f596f9942d13b
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.
Important Information
Back-flashing to BIOS versions earlier than 2.0.21 is not allowed if Intel Xeon E5-2400 V2 family processors are installed.
Supported Operating Systems
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.
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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.
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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.
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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.
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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