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 1.5.4

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 1.5.4
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Fixes & Enhancements

Fixes:
Fixed an unexpected CPU core mapping issue that sometimes occurred when running Linux in a Non-Uniform Memory Architecture (NUMA) configuration.

Enhancements:
- Enhancement to address the security vulnerability CVE-2018-3643 (https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-3643).
- Enhancement to address the security vulnerability CVE-2018-3644 (https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-3644).
- Enhancement to address the security vulnerability CVE-2018-3655 (https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-3655).
- Updated the Intel Trusted Execution Technology (Intel TXT) BIOS Authenticated Code Module (ACM) to version 1.3.7.
- Updated the Intel Processor and Memory Reference Code to PLR7.
- Updated the Intel HFI PCIe Gen3 UEFI driver to version 1.7.2.0.0.
- Updated the S140 Software RAID firmware to version 5.3.0-0006.
- Added the following features to the Processor Settings Setup page:
- The Dell Advanced Vector Extensions (AVX) Scaling Technology
- The Configurable Thermal Design Power (TDP)
Read More

Version

1.5.4, 1.5.4

Release date

30 Oct 2018

Download Type

System BIOS

Category

BIOS

Importance

Critical
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_4CCVT_WN64_1.5.4.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:
b12d6b085ea3b97dd54bab4c9054125f
SHA1:
d7968a094ffdd1945a7b7530fe2fa2e3a357c25f
SHA-256:
8ee9e1cc656b005b9449760e93101dc84e3562c812d50e14c21b21f6604d7be4

File Format: A GnuPG file which contains a cryptographic signature
File Name: BIOS_4CCVT_LN_1.5.4.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:
8b29305bdd96e4f9ef5e56bd20bc280b
SHA1:
0bd0182e7521c6134ef015e37aa8052a7d11aabb
SHA-256:
bb3a19c07cddf3bf63d8ff592229c78e57b939f4e70d85f2f8edcd8135921b0e

File Format: A self-extracting file for use in 64-bit machines
File Name: C6420-010504.efi
File Size: 18.04 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:
5e87589d507d7eede1deaa880de0d458
SHA1:
90479ebb7b3fe850574abe3152573508fc1ff20f
SHA-256:
f92a4c51ed2d128a51cf33661146021dd41bbf6e3ed05b8326fd01e87068178b

File Format: An archive of PDF files to provide help and procedural information to the customers
File Name: C6420_BIOS.1.5.4_RN.pdf
File Size: 277.98 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:
d27f80c1ea611dc40d301bdf4e3c5c78
SHA1:
732601635b15e74d02eb3d3d388186a5de0e2aaa
SHA-256:
a3537a20b77c4a6cca0738bbb1f1896c6078f8fe8a0988ee1bf24f9e6109978b

File Format: Update Package for Red Hat Linux
File Name: BIOS_4CCVT_LN_1.5.4.BIN
File Size: 26.76 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:
7e1466988cc4fe3bc0f48005fb7c3ee0
SHA1:
dbb405a3b2b1341b87302fae6e482ec3629afb94
SHA-256:
da4c3c83075acae55632a3e111f305f8117e4d585b29885cdb75ea2d0c946ecb

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

Need help with BIOS issues?

Find a solution in Dell's BIOS troubleshooting guide

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