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 EMC Server BIOS PowerEdge C6420 Version 1.5.6

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.
Dell EMC Server BIOS PowerEdge C6420 Version 1.5.6
Recommended

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Fixes & Enhancements

Fixes:
The BIOS update from 1.5.4 is unsuccessful in some operating systems when the Trusted Platform Module (TPM) feature is enabled. For more information, visit http://www.dell.com/support/article/SLN314403
Enhancements:
None for this release.
Read More

Version

1.5.6, 1.5.6

Release date

26 Oct 2018

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: BIOS_J2XG5_WN64_1.5.6.EXE
File Size: 26.36 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:
292ef1fd16f063578942a1d5ad45decd
SHA1:
01c7c2b3f367fac0ad2999994e5c9439b5fc122c
SHA-256:
5ab4e2e1aff84f36d14ac989e8935c5a719b793a92bad777394d7188774740d0

File Format: A GnuPG file which contains a cryptographic signature
File Name: BIOS_J2XG5_LN_1.5.6.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:
584153243c417461343b83748b0618e2
SHA1:
5d102d294d680f17ce6bc01356fec28ef21ebdf6
SHA-256:
cff00884bfe41dc1210bf294884bd09214afe29a1e5b81a69c9fa0fba973e746

File Format: A self-extracting file for use in 64-bit machines
File Name: C6420-010506.efi
File Size: 18.03 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:
dcf415698021fd29598dc2820b704495
SHA1:
a8fe2661e4aae59cae70e42f79cc523fdc1f03b8
SHA-256:
fc3cce5b095216493047ad60fd57a0e55512521b0c5dc4f427f1e31c20657c99

File Format: An archive of PDF files to provide help and procedural information to the customers
File Name: C6420_BIOS.1.5.6_RN.pdf
File Size: 300.78 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:
8981b56a830b548d893404f1019795cd
SHA1:
af43d906432bef07a782ea940dea29afce765465
SHA-256:
cd106686021e3043d55f5df8d0edbd33ece13a8157f8a0f0437e5cd58b1f64e5

File Format: Update Package for Red Hat Linux
File Name: BIOS_J2XG5_LN_1.5.6.BIN
File Size: 26.77 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:
1dc9ca65e07465d027a37850da5c6af8
SHA1:
c3f4da376f455801059539b3331db04769ab51af
SHA-256:
af75146e69912fb205199d9b26122b8e73c48e5b5847895ad5ef19d75a9e7d86

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

Additional details

Show All | Hide All
This release provides continued code optimization to improve stability and performance.
PowerEdge BIOS
Dell EMC 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 EMC 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 EMC 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 EMC 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 EMC public key. (You only need to do once on your system.)
2. Verify the Dell EMC Update Package by using its signature file, [model]_BIOS_LX_[version].BIN.sign

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