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.
PowerEdge M420 BIOS
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
Recommended
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Fixes & Enhancements
* Updated Authenticated Code Module (ACM)
* Updated memory reference code
* Updated processor reference code
* Updated chipset reference code
* Updated Intel Xeon processor E5-2600 product family microcode for C1 stepping to 00000619
* Updated Intel Xeon processor E5-2600 product family microcode for C2 stepping to 0000070D
* Added Windows 2012 support
* Updated BIOS to support TCG Physical Presence Interface Specification version 1.2
* Increased the speed of the System Setup launch process
* Enhanced the iDRAC virtual mouse performance in pre-boot GUIs such as System Setup and Lifecycle Controller
* Enabled display of CPLD version information in BIOS setup
* Added UEFI boot support for Ubuntu
* Added support to allow PCI Memory Mapped I/O allocation above 4 GB
* Improved handling of storage devices without a native UEFI driver
* Updated DIMM types used in power budget calculation to include LRDIMMs
* Changed default option for the Memory Operating Mode for all Memory Configurations to "Optimizer"
* Increased system memory speeds for Memory Configurations with all slots in a channel populated and when the System Profile in BIOS setup is set to "Performance" mode or Memory Frequency in the "Custom" mode is set to Memory Maximum Performance
* Increased system memory speeds for 1600 MT/s DDR3L RDIMMS when one or two slots in a channel are populated.
* Enabled entering System Setup (F2 hotkey) on a boot where a one-time Service Partition Boot has been requested
* Added new power management option "Collaborative CPU Performance Control" in the System Profile settings.
* Added new power limiting option "Logical Processor Idling" in the Processor Settings
Read More* Updated memory reference code
* Updated processor reference code
* Updated chipset reference code
* Updated Intel Xeon processor E5-2600 product family microcode for C1 stepping to 00000619
* Updated Intel Xeon processor E5-2600 product family microcode for C2 stepping to 0000070D
* Added Windows 2012 support
* Updated BIOS to support TCG Physical Presence Interface Specification version 1.2
* Increased the speed of the System Setup launch process
* Enhanced the iDRAC virtual mouse performance in pre-boot GUIs such as System Setup and Lifecycle Controller
* Enabled display of CPLD version information in BIOS setup
* Added UEFI boot support for Ubuntu
* Added support to allow PCI Memory Mapped I/O allocation above 4 GB
* Improved handling of storage devices without a native UEFI driver
* Updated DIMM types used in power budget calculation to include LRDIMMs
* Changed default option for the Memory Operating Mode for all Memory Configurations to "Optimizer"
* Increased system memory speeds for Memory Configurations with all slots in a channel populated and when the System Profile in BIOS setup is set to "Performance" mode or Memory Frequency in the "Custom" mode is set to Memory Maximum Performance
* Increased system memory speeds for 1600 MT/s DDR3L RDIMMS when one or two slots in a channel are populated.
* Enabled entering System Setup (F2 hotkey) on a boot where a one-time Service Partition Boot has been requested
* Added new power management option "Collaborative CPU Performance Control" in the System Profile settings.
* Added new power limiting option "Logical Processor Idling" in the Processor Settings
Version
1.3.5, 1.3.5
Release date
08 Oct 2012
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: Update Package for MS Windows 32-Bit
File Name: M420_BIOS_YJWH8_WN32_1.3.5.EXE
File Size: 7.94 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:
10d0befe41c6907d3d2af128d6e897f3
SHA1:
70548508905846ff86abdedb4649e4e5595761d7
SHA-256:
48e510a869be4c3bcfa2e0b2ee3619582cd49b7202726f13f499a33d6cf95e17
File Format: A GnuPG file which contains a cryptographic signature
File Name: M420_BIOS_YJWH8_LN32_1.3.5.BIN.sign
File Size: 194 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:
311cb75d804c1077303d77a48b2986a3
SHA1:
c3e09da7c4ce7d056282ddc91a44921c35ac52fb
SHA-256:
67d2d2473f48148a42ed899b778bc1db290b93d8b376080be1b8624beeefedba
File Format: A self-extracting file for use in 64-bit machines
File Name: M420-010305C.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:
42b1f33aa1ff0a3c52cc019bcc87744a
SHA1:
0c09fa96ca2cc710874aa170e6b06de7d9411350
SHA-256:
afda3ba9aeb78f0c1c83d6e0cb8d780f283b908527a0d8eb82aa9310e480c7f1
File Format: Flash BIOS executable
File Name: M420-010305C.exe
File Size: 2.99 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:
8c04989422df77e5a2c4b58344ed4c3d
SHA1:
a179a397ca56737df0ad212fdb16e61be6ec11d8
SHA-256:
2e3772f22112b27171d6276dc9bc514aeac491b06e615eab1af557f9c50b9cbd
File Format: External release notes
File Name: M420-010305BIOS.txt
File Size: 7.54 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:
f0df6609a8f8cb64a91a0badacb268a5
SHA1:
5f29effba43876f521bb0ebf23965da704628e69
SHA-256:
6e7acbe8214cbe4b194ec2f98e97210f29ad7c8763c8609cfc39b6f3c91e1f12
File Format: Update Package for Red Hat Linux
File Name: M420_BIOS_YJWH8_LN32_1.3.5.BIN
File Size: 6.29 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:
0f3b47cb36ddd20fa13e1014788fa7cb
SHA1:
aaff29104d90262e21c9a5526c453e111d2e413e
SHA-256:
20b30f07e2acac8fc8cfa01e9a82f81bfe0a81fe40f060f967ac9a3bab768bcc
By downloading, you accept the terms of the Dell Software License Agreement.
Supported Operating Systems
Not Applicable
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" 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.
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" 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.
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.