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 M420 Version 1.6.6
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.PowerEdge M420 BIOS Version 1.6.6
To view all drivers for your PowerEdge M420, go to Drivers and downloads.
Recommended
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This is the latest Dell validated version of this driver
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M420_BIOS_2G8TH_WN64_1.6.6.EXE | 20.49 MB
This is a large file. Depending on your connection speed, it may take some time to download.
File Format:
Update Package for MS Windows 64-Bit.
File Name:
M420_BIOS_2G8TH_WN64_1.6.6.EXE
File Size:
20.49 MB
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:
c6fe140035881b8e7ffa4fddd78edbac
SHA1:
b4e7a2379639a156593893cc364b56b42c5041de
SHA-256:
4fe56db32637def06175bdae471192ed425261d7328bb2d717b68a2c762332d2
Sign in to Windows as an admin to use automatic scan. If your're already signed in as an admin and seeing this message, please reboot.
Your system is managed by your IT admin and features might be limited.
Find more updates. Use SupportAssist to find all the latest driver updates for your device.
Fixes & Enhancements
* Corrected an issue where Virtual-APIC Page Accesses With 32-Bit PAE Paging May Cause a System Crash.
* Corrected an issue where maximum turbo capability of Xeon processor E5-2690 CPUs can be limited when booting to certain OSes.
* Corrected an issue where system locks-up in POST after an abnormal shutdown under Solaris OS.
* Corrected an intermittent system lock up problem when console redirection is enabled.
* Fixed the ISC (In-System Characterization) feature unexpectedly getting disabled issue.
* Corrected language translation problems in System Setup.
* Corrected a system hang seen with all Dell supported Brocade adapters that are using 3.2.x code base.
(This issue affected Brocade BR1020, BR1741M-K and BR825 cards).
* Fixed an error in BIOS32 INT 1A support.
Read More
* Corrected an issue where maximum turbo capability of Xeon processor E5-2690 CPUs can be limited when booting to certain OSes.
* Corrected an issue where system locks-up in POST after an abnormal shutdown under Solaris OS.
* Corrected an intermittent system lock up problem when console redirection is enabled.
* Fixed the ISC (In-System Characterization) feature unexpectedly getting disabled issue.
* Corrected language translation problems in System Setup.
* Corrected a system hang seen with all Dell supported Brocade adapters that are using 3.2.x code base.
(This issue affected Brocade BR1020, BR1741M-K and BR825 cards).
* Fixed an error in BIOS32 INT 1A support.
Version
1.6.6, 1.6.6
Release date
23 Sep 2013
Download Type
System BIOS
Category
BIOS
Importance
RecommendedDell 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:
A GnuPG file which contains a cryptographic signature
File Name:
M420_BIOS_2G8TH_LN_1.6.6.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:
cf16cef71666e805790ba20c8c5239e7
SHA1:
9af1fa95fa5e73865e241244812a1161914b83a5
SHA-256:
7ef8079162d7389799fa2653a96c6df9071cab3dd5faba8ac1a0cf74b44886fa
File Format:
A self-extracting file for use in 64-bit machines
File Name:
M420-010606C.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:
a8c920062d6ac9edad87c8e9d09d6f0c
SHA1:
c4f895ba66cfffd98b862572a5eb36449f6d8b59
SHA-256:
7850f054ed86c954f260b29df1ea9cb1a558a706d6121a993a43240508c09b2f
File Format:
Raw BIOS executable file - will NOT be repackaged regardless of Repackaging Options
File Name:
M420-010606C.exe
File Size:
3.14 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:
6d3b178112163fdb0afc84878fa078ef
SHA1:
448c085818bf3b3ad1ca9e89823af0f76419ed64
SHA-256:
bc5b7c296fc11082989310c5697f5023d3f3aec8609db8070bc528e085e59b56
File Format:
An archive of PDF files to provide help and procedural information to the customers
File Name:
M420_BIOS 01 06 06 Release Notes.pdf
File Size:
98.31 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:
cbcbcc26c42371ee07b4b3726ab21bb8
SHA1:
4bbbeaec238b48958de3792c6decce52e38edd33
SHA-256:
1f0c039f45e49abe3265e24898d43354677a4d58f7055ad5312fc2a38923e70f
File Format:
External release notes
File Name:
M420_BIOS 01 06 06 Release Notes.txt
File Size:
11.56 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:
ce687bed0ea636ed6a31a4d0d4393fd4
SHA1:
0bef79b19dbbc7afc27f32788b8139a1bca075a9
SHA-256:
215919ff6bec5e705872134e16cb70a034b03b822d1625a2cb532675ca9f93fb
File Format:
Update Package for MS Windows 32-Bit
File Name:
M420_BIOS_2G8TH_WN32_1.6.6.EXE
File Size:
12.86 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:
ff300c36e594d14cd8eb80b715916375
SHA1:
1cb8a8141516ae5c6b52abab6c6a2ea9015ad4c0
SHA-256:
62fd2bf59426687843802298d494e80f097c098a46c72c69f66606bebbdc8714
File Format:
Update Package for Red Hat Linux
File Name:
M420_BIOS_2G8TH_LN_1.6.6.BIN
File Size:
10.31 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.
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:
e61e309335091c7a5848ebaf94c34622
SHA1:
c0ce5dc581baa9447ee2a0a0f84290b52b96d9e7
SHA-256:
273b8ec7d9f967a682e1ec69547b3e88e44642f78f9a4a8dfe6a9acb71fb0e41
By downloading, you accept the terms of the Dell Software License Agreement.
Supported Operating Systems
Not Applicable
Looking for a different OS? View the list of Dell supported operating systems
Applies to
Server BIOS 12G
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.
----------------------------------------------------------------------
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
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 and usage guide.Drivers help and tutorials
For more downloads go to the Drivers and downloads.
For help on using the information on this page, please visit Driver Help and Tutorials.