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 2.3.3

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.
PowerEdge T420 BIOS Version 2.3.3
Recommended

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Fixes & Enhancements

Enhancements
==========
* Updated Intel processor and memory reference codes to Rev V2.00.00.05.
* Updated Intel chipset configuration compliant with latest BIOS specification updates Rev (2.0.7).
* Updated iDRAC HII configurator UEFI driver to v1.60.60.02.
- In the iDRAC Settings Utility, on the iDRAC Settings page, the name OS to iDRAC Pass Through is changed to Communications Permissions.
* Set Mellanox PCIe devices Max_Read_Request_Size as 4096 bytes to improve performance.

Fixes
=====
* Corrected an issue where L1 Cache Operational Mode is reported incorrectly as Write-Through in SMBIOS. All L1/L2/L3 should be Write-Back .
* Corrected an issue where BIOS cannot read Extended PCIe Capabilities on devices other than CPU1 using UEFI interfaces.
* Corrected an issue in the IHV SCT test where the responses to the invalid passing parameters are incorrect.
* Corrected an issue in System Setup where the system was truncating device names in the Device Settings page when Console Redirection was active.
* Corrected BIOS/iDRAC Console Redirection interface issue that could change BIOS Setup settings to defaults.
Read More

Version

2.3.3, 2.3.3

Release date

15 Oct 2014

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.
Available formats View Important Information

File Format: Update Package for MS Windows 64-Bit.
File Name: T420_BIOS_2MVHP_WN64_2.3.3.EXE
File Size: 23.08 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:
bfa0051b9627ef5fcf9367fe5a473f44
SHA1:
b1f78c59fb8becb689c669d12e3b0ec34e5183b8
SHA-256:
3db2ad2f0970cd21ad3f37e19375e4164bbf6f336e63fdd91bc2745fba83f077

File Format: A GnuPG file which contains a cryptographic signature
File Name: T420_BIOS_2MVHP_LN_2.3.3.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:
88a17029fe9b600240f6fc0ef7eef72f
SHA1:
cf2d6f39548436cbb3334c1de14151da3e3ec232
SHA-256:
8c0de696b15d222499af79838a88ff31d2461ace4e4badb0a6a42d707c212e5d

File Format: A self-extracting file for use in 64-bit machines
File Name: T420-020303C.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:
9dec8aee73f9433a99de00ef28d85ace
SHA1:
d7fde92119b6db85972abf461f539e6e908f077e
SHA-256:
2dac715bfe02695376ca965f2e3c1ad1120d8f1b1a84a110d923d3b254979d74

File Format: Raw BIOS executable file - will NOT be repackaged regardless of Repackaging Options
File Name: T420-020303C.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:
3ed61734f859338509b9f8c88aad8544
SHA1:
fc5d43591649fe65348c09d16f620ff8bd90c239
SHA-256:
0de2d66c6845ec55d86fc56c4040013cc600e9f33ddc724f9910e7ba7ca2aec6

File Format: An archive of PDF files to provide help and procedural information to the customers
File Name: T420_BIOS_02_03_03_Release_Notes.pdf
File Size: 91.12 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:
95f4655fd0b4d7cd2255cbc99de74e03
SHA1:
b0d35b52b5c5df7bf2751841e46b7d52b2e1c1d5
SHA-256:
6f05dff4a64ac3df4a1c92840a078547306129b4e8eeb4f4b5898f382931c513

File Format: External release notes
File Name: T420_BIOS_02_03_03_Release_Notes.txt
File Size: 16.08 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:
b56524e97d2979ad081d78c1dcaa24ed
SHA1:
891ba31baf3de4f0f02aaa697be1c3c595c242e5
SHA-256:
7926e19d20a042da49f960e74848d4b7e7800d0647e8456d6b61191ff146dc15

File Format: Update Package for MS Windows 32-Bit
File Name: T420_BIOS_2MVHP_WN32_2.3.3.EXE
File Size: 15.06 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:
e318ea1c9bf9ce7a94aa062862b57a55
SHA1:
540789e8c0324ed67626f57b168968f99bd9002f
SHA-256:
a71518c14a3ea7921c6771cf66781c2e850265dddf4e55a50d9dde1349719e58

File Format: Update Package for Red Hat Linux
File Name: T420_BIOS_2MVHP_LN_2.3.3.BIN
File Size: 15.21 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:
90869ee1c85dd83c5ae217cc18600293
SHA1:
2cc2de19be9b2826315f8da221a5c46c32166d1c
SHA-256:
abb41839aa40d64d00b467493b0a8dda2b6e54cbaae8b30701cb8d28bda096fb

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

Additional details

Show All | Hide All
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 guide

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