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 M820 Version 1.5.1

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 M820 BIOS Version 1.5.1
Recommended

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Fixes & Enhancements

* Allows Memory 2X Refresh operation independent of temperature.
* This option is accessible through the System Profile Settings menu under the BIOS setup.
Read More

Version

1.5.1, 1.5.1

Release date

26 Mar 2013

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 32-Bit
File Name: M820_BIOS_711D3_WN32_1.5.1.EXE
File Size: 11.6 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:
be9a32c14ea36187ce3aa0bcce988f6f
SHA1:
cd558d16fdf00f7d4ec353476bfb990c74f9bbfe
SHA-256:
f732a62cfd71796c9025512125a62256cb22841dc9a9ebfe2674b40130d12504

File Format: A GnuPG file which contains a cryptographic signature
File Name: M820_BIOS_711D3_LN_1.5.1.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:
58ad7a7fd5199571d26ce9ec71e1e8b2
SHA1:
5a8956a4958456b6376608c72aeb5942d18f3140
SHA-256:
c6dfd127482fae2eefa0a817be511bdff73162b7c50dbad2a99c390eb16df34b

File Format: A self-extracting file for use in 64-bit machines
File Name: M820-010501C.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:
49dcb24dce93a76f2e3f264e5d7c977e
SHA1:
d8a9ff6a7f01133b468ead2476e438085b4d2f30
SHA-256:
c21878e86e40b7d1767cae3054e26fc7c015c5aee5dcba9aefab3513d33f6315

File Format: Flash BIOS executable
File Name: M820-010501C.exe
File Size: 2.97 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:
578d0c42e1fd71b64c8fd136f164597f
SHA1:
f5c1298bf41c1e6dd479028e6ae6232fb85e1ceb
SHA-256:
553740d5f0c3fc86eb2f94c0799e1f77082939749920a35cee99f1de164ae74c

File Format: External release notes
File Name: M820-010501CBIOS.txt
File Size: 8.83 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:
fdb9daeba0954757a7db152da668d658
SHA1:
26396995a50b19d1340285f4bcf6a88f07bb5ccf
SHA-256:
1936d57a1847338ecdc0293142a765d34e51762b51a1bf450b2656d02a74c00e

File Format: Update Package for Red Hat Linux
File Name: M820_BIOS_711D3_LN_1.5.1.BIN
File Size: 9.9 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:
887f3c94cda2fc535059b30804b163c2
SHA1:
cce81e622b52a19810ebe98c184ca2ca437f6a97
SHA-256:
b43ae38a77d84e3fe9dec2668385b123359dbaac2243f6b3706e281d951d2b13

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

Additional details

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Server BIOS 12G
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.
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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.
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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.
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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.
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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

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Find a solution in Dell's BIOS troubleshooting and usage guide.

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