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 PowerEdge BIOS R740/R740xd/R640/R940/7920R Version 1.5.6
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.This package contains the fix for the failure found in BIOS version 1.5.4. For more information about specific items that has been newly added and resolved in this version, check the New and Enhanced features section and Fixed issues section in the release notes.
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Fixes & Enhancements
Fixes:
- This update fixes the issue with BIOS version 1.5.4, which is unsuccessful in some operating systems when the Trusted Platform Module (TPM) feature is enabled. For more information, visit http://www.dell.com/support/article/SLN314403.
Enhancements:
- N/A
Read More- This update fixes the issue with BIOS version 1.5.4, which is unsuccessful in some operating systems when the Trusted Platform Module (TPM) feature is enabled. For more information, visit http://www.dell.com/support/article/SLN314403.
Enhancements:
- N/A
Version
1.5.6, 1.5.6
Release date
24 Oct 2018
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 64-Bit.
File Name: BIOS_5KNGY_WN64_1.5.6.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:
198147688f0316b3a2257569e41cee96
SHA1:
8d8291785ccfe2ea5a964855ec6adfbcc9ae9906
SHA-256:
7b8db16a8769cd6b6b4090879973e1f8c85b949491e399617f29362cf63e47f1
File Format: A GnuPG file which contains a cryptographic signature
File Name: BIOS_5KNGY_LN_1.5.6.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:
cff0078fb0802558c06f5800d985c192
SHA1:
2e50a3e5863df9bfbe0c54f533a1e743e2698232
SHA-256:
4abddd24d96e87859bd6e7fed5989e24f9fbe7817210adbf87ae7abd875ce627
File Format: A self-extracting file for use in 64-bit machines
File Name: BIOS-5KNGY-EFI-1.5.6.efi
File Size: 17.99 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:
22b4ba120a7354aad6140a52491e5625
SHA1:
23ee0bf59b5704fe6b9b9ab9dc452b3ed8b44b6e
SHA-256:
4c88d5bf28a812dc468d9fc92d016961f2eb882a2bfdf6dac2e9d5ffd8610458
File Format: An archive of PDF files to provide help and procedural information to the customers
File Name: R740R740XDR640R940PRECISION7920R_BIOS.1.5.6_RN.pdf
File Size: 301.68 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:
0b680795a656912ee23307716d2e1026
SHA1:
d3d46f118b34bc89d3fefc82efbbde47ae7de7bf
SHA-256:
9c4ad438c63fa38b01701b54afa4d4fb9f75d868ea7df163181ebc3ad2ca2d46
File Format: Update Package for Red Hat Linux
File Name: BIOS_5KNGY_LN_1.5.6.BIN
File Size: 26.73 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:
980650d1d498f2354401a3192ed592c5
SHA1:
12f18330d706eb9fbaebec0d3ba57e6a317ca368
SHA-256:
89add0576a2d3366b34a474df1904b72c19ba824038b9df7b51ad2d220641a5c
By downloading, you accept the terms of the Dell Software License Agreement.
Important Information
If the BIOS in the system has not been updated for over a year, it is highly suggested to update the BIOS to the latest version.
Supported Operating Systems
Not Applicable
Applies to
INFO,BIOS,LK,FW,1.5.6,FEBFY20
PowerEdge BIOS
Installation instructions
Dell Update Package Instructions for UEFI
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 Update Package Instructions for Linux
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
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 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
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 Update Package Instructions for Linux
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
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 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 guideDrivers 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.