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 PowerEdge BIOS Version 1.7.5

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.
For more information about specific items added and resolved in this BIOS version, see the Fixes and New and enhanced feature sections. If there's any security fix included in this BIOS, we'll address it in the BIOS external release note.
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Fixes & Enhancements

Fixes:
N/A

Enhancements:
- Updated the following:
- Intel processor and memory reference codes in the Unified Post Launch Release 2 3545.P.03
- Intel processor microcode to version 0x392 in the Intel Xeon 6700E-series Processors.
- Intel processor microcode to version 0x133 in the Intel Xeon 6500P-series and 6700P-series Rich I/O Processors.
- Intel processor microcode to version 0x404 in the Intel Xeon 6500P-series and 6700P-series Processors.
- Intel Trusted Domain Extension (TDX) to version 2.0.14.00.947 for the Intel Xeon 6500P-series and 6700P-series Processors
- Integrated Dell Remote Access Controller (iDRAC) HII settings engine to version 6.0.0.29.
- In all system profiles, the Latency Optimization Mode (LOM) option is available for manual modification.
- This product release may contain security updates DSA-2026-011 and DSA-2026-027 and DSA-2026-040. Any security fix information will be accessible on the Dell Security Advisories and Notices website.
Read More

Version

1.7.5, 1.7.5

Release date

10 Feb 2026

Download Type

System BIOS

Category

BIOS

Importance

Urgent
Dell Technologies highly recommends applying this important update as soon as possible. The update contains critical bug fixes and changes to improve functionality, reliability, and stability of your Dell system. It may also include security fixes and other feature enhancements.
Available formats View Important Information
File Format: Update Package for MS Windows 64-Bit.
File Name: BIOS_11N9M_WN64_1.7.5.EXE
File Size: 36.99 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:
66774a7d257e86f22b1e5becd68ae4c9
SHA1:
08b6315b272572a9e64a4ad27680393d53cc288c
SHA-256:
af4d0fc06f6aa04439b08be546e04dd2e836cd885381db863b61124cd0146552
File Format: A GnuPG file which contains a cryptographic signature
File Name: BIOS_11N9M_LN64_1.7.5.BIN.sign
File Size: 842 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:
1f1a4d59b8b51bba3f04552e47f8f0ab
SHA1:
1268dcd3b29325842059d8755d2e6e12e790ee9d
SHA-256:
0cbd6b605635d4fdc4fb05f27ccfcf06a31593fc8e082abf89c16b8fa1967aa6
File Format: A self-extracting file for use in 64-bit machines
File Name: 17GBIOS-010705.efi
File Size: 18.72 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:
afc9156c065b5b38de7e52a960a107a0
SHA1:
1e11392f700d0ceea03d70fe8117be1334b16fc8
SHA-256:
8cdfd25256e5f28c0f4eff2643a503bed555211bc1e375a4fd2cda87021a4bb1
File Format: An archive of PDF files to provide help and procedural information to the customers
File Name: R770_R670_R570_R470_XE7740_BIOS_1.7.5_ReleaseNote.pdf
File Size: 223.8 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:
6423013584bbdc122c923d75132e2edc
SHA1:
ef32cb76603d0ab500a164ed3fcbf469604616af
SHA-256:
399de9f5d4d95c64cee83fad77059ef6b9f175d438866b843fab9319583e9104
File Format: Update Package for Red Hat Linux
File Name: BIOS_11N9M_LN64_1.7.5.BIN
File Size: 29.42 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:
7906190a388a6c813eb1d39ea791aa71
SHA1:
ee6847f5fc2c868d793122c3273efc36d58e218e
SHA-256:
a492de8e8af1b52c89c8f7d7b3e0440a53ba02aedbf0c3f5dbef89f014edd462

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

Additional details

Show All | Hide All
- The multiple NIC interfaces (multipath, multipathing) connect to the same subsystem are not supported. User must ensure that each NIC is configured with a unique subsystem NQN when configuring multiple NVMe over Fabrics (NVMe-oF) subsystems.
- BIOS v1.1.3 prefers to work with iDRAC v1.10.17.00 for optimizing system performance.
- R770/R670/R570/R470's servers are not allowed BIOS upgrades from v1.1.3 to v1.4.x later version directly, server must update to v1.2.6 first for upgrading.
INFO,BIOS LOCK,R470XL,MARFY27
INFO,BIOS LOCK,R570XL,MARFY27
INFO,BIOS LOCK,R670XL,MARFY27
INFO,BIOS LOCK,R770XL,MARFY27
PowerEdge BIOS
Dell Update Package Instructions for DRMK
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
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

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