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 1.4.9

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.
This release contains new Intel Xeon Processor Scalable Family Processor Microcode to address CVE-2018-3639 and CVE-2018-3640.
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Fixes & Enhancements

Enhancements:
- Updated the Intel Xeon Processor Scalable Family Processor Microcode to version 0x4D to address the following issues:
- Enhancement to address security vulnerability CVE-2018-3639 (https://cve.mitre.org/cgibin/cvename.cgi?name=CVE-2018-3639).
- Enhancement to address security vulnerability CVE-2018-3640 (https://cve.mitre.org/cgibin/cvename.cgi?name=CVE-2018-3640).
Read More

Version

1.4.9, 1.4.9

Release date

27 Jun 2018

Download Type

System BIOS

Category

BIOS

Importance

Urgent
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_V1W6G_WN64_1.4.9.EXE
File Size: 26.32 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:
67afb75f311b2b4a20589e1bffd1cac3
SHA1:
932650fbe28f7ecf9a7b09dd385d3fa385cfccea
SHA-256:
5ed7e41d00633bd1d698163b27a00d292c7f8eae0722c51da35866c667567a4f

File Format: A GnuPG file which contains a cryptographic signature
File Name: BIOS_V1W6G_LN_1.4.9.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:
7161835d46635f3cd1b349da9bb92eaa
SHA1:
8df34dd439850cbc9bb2938c752f077dea0902c5
SHA-256:
e06c0b0c217a1b2a1506cb1e02e589e76c663c4128af70d6bc3582d610f93846

File Format: A self-extracting file for use in 64-bit machines
File Name: C6420-010409.efi
File Size: 17.98 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:
6ef326d4794decc0b6725f1124601d4d
SHA1:
2e0ebad7c7260234d85b182ec93b2e7e018c35ba
SHA-256:
e42a6d52c15b582d3cee0de012fe44cd1e28d97fa67cf2a9eac25475a931449f

File Format: An archive of PDF files to provide help and procedural information to the customers
File Name: C6420_BIOS.1.4.9_RN.pdf
File Size: 273.25 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:
d0e44735b28ee32e5ec6dc7f0137b19e
SHA1:
1588403186e6b032bfffc527842a4dc30a66d583
SHA-256:
c7f0182894c96ec1961cb5d0269a018f20144222c3722eb6cec58eb549346eae

File Format: Update Package for Red Hat Linux
File Name: BIOS_V1W6G_LN_1.4.9.BIN
File Size: 26.7 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:
abb248f0b30085f3f4cc1a3cf7dd3ddd
SHA1:
b2dc85aeb6fd330a0838dfce4919e722f999566f
SHA-256:
ab2bbbbdd57fb606163b38963f9e85324d0ba85620c3fb3e94a52bc724732da8

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

Additional details

Show All | Hide All
If the BIOS in system has not been updated for over a year, it is highly suggested to update the BIOS to the latest version.
INFO,BIOS,LCK,AUG19,FW,1.4.9
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 and usage guide.

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