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 R750, R750xa, and R650 BIOS Version 1.5.5
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 release contains BIOS firmware version 1.5.5 for Dell EMC Server PowerEdge R750, R750xa and R650.
This release supports CPLD firmware upgrades from v1.0.6.
This release supports CPLD firmware upgrades from v1.0.6.
To view all drivers for your PowerEdge R650, go to Drivers and downloads.
Recommended
Loading the latest available version of the driver...
This is the latest Dell validated version of this driver
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BIOS_0HK3T_WN64_1.5.5.EXE | 22.25 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:
BIOS_0HK3T_WN64_1.5.5.EXE
File Size:
22.25 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:
c5f9931de26c624542fd26e7f0bb54eb
SHA1:
e08f7067126926c4775774367072653081681e28
SHA-256:
1b6b81a551691aa9e880c405cf289705ff04fdccc1db5bec705dbe22060b90f8
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
Fixes
- None for this release
Enhancements
- Support for the CPLD firmware upgrading from version 1.0.6.
Read More
- None for this release
Enhancements
- Support for the CPLD firmware upgrading from version 1.0.6.
Version
1.5.5, 1.5.5
Release date
23 Mar 2022
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:
BIOS_0HK3T_LN64_1.5.5.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:
8a9ee49fdd2d6ca44de19dc7fa4e500c
SHA1:
4ac1311df5f40605deb7f315bf33ffeb8a0d5c89
SHA-256:
2878dc7f87f5f5cc65b8d9cc09a3cde7f9e89e77bddb55d492f14561cd84e63b
File Format:
A self-extracting file for use in 64-bit machines
File Name:
BIOS15GIL1-010505.efi
File Size:
13.21 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:
2b64b0a8cdbf850ba861369a53b0b4fb
SHA1:
64c1ea817df7418ef892373c29488cb448621484
SHA-256:
d5a4012857c79f5df1ee01ee075e9610c6ef8d0f63f1713e9adcc4142b573b62
File Format:
An archive of PDF files to provide help and procedural information to the customers
File Name:
R750_R750xa_R650_BIOS_1.5.5_ReleaseNote.pdf
File Size:
585.82 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:
eb73d5f4d9974113290cc1ec0980d54d
SHA1:
1b23906fcc56544f47f49480d2c9e6bef354f66f
SHA-256:
1a02f10f05eaffa8d8b7e822902f36f348cbbcd6d452c196c2379f2439f1e565
File Format:
Update Package for Red Hat Linux
File Name:
BIOS_0HK3T_LN64_1.5.5.BIN
File Size:
17.32 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:
e2f3bb122d42cc218a3f428fb2bccd4e
SHA1:
32e08aefe2ac108a10d6197de50283338d16ff22
SHA-256:
25134f3a2fbef609aef4a2cec36cff33e080019a59ff0c0887df86e49779fd4e
By downloading, you accept the terms of the Dell Software License Agreement.
Important Information
The "Correctable Error Logging" option resets to "Disabled" while system first time updating BIOS from 1.4.4 and early version to 1.5.4 later version.
Other Available Versions
1.18.101 Sept 2025
1.17.213 May 2025
1.16.212 Feb 2025
1.15.224 Sept 2024
1.14.125 Jun 2024
1.13.212 Mar 2024
1.12.114 Nov 2023
1.11.217 Aug 2023
1.10.222 May 2023
1.9.214 Feb 2023
1.8.215 Nov 2022
1.7.530 Sept 2022
1.6.524 May 2022
1.5.411 Mar 2022
1.4.408 Dec 2021
1.3.809 Sept 2021
1.2.519 Aug 2021
1.2.430 Jun 2021
1.1.313 May 2021
Supported Operating Systems
Not Applicable
Looking for a different OS? View the list of Dell supported operating systems
Applies to
PowerEdge BIOS
Installation instructions
Dell Update Package Instructions for EFI
Download
1. Click the "Download" 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 DUP:
Download
1. Click the "Download" 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" 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" 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.
Download
1. Click the "Download" 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 DUP:
Download
1. Click the "Download" 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" 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" 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.
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.