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 XR4510c and XR4520c Version 1.19.1

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 provides BIOS firmware version 1.19.1 for XR4510c and XR4520c.

In this release, the BIOS security features are enhanced, and the Intel Processor and Memory Reference Codes are updated to 2025.16.1.01_28.D78 (IPU 2025.3).
For more information about specific items added and resolved in this BIOS version, see the Fixes and New and Enhanced Features 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
- None for this release.
New and enhanced features
- Updated the following:
- Intel Idaville Intel Processor and Memory Reference Codes Version to 0028.D78 (IPU 2025.3 PV)
- Intel Processor Microcode to version 0x010002E0 for the Intel Ice Lake Xeon-D.
- Intel NIC IRC (intelligent reset controller) firmware from v4.046 to 4.047.
- Enhanced the BIOS Strong Password function to fix a bug where the BIOS passwords cannot be cleared while the Strong Password setting is enabled and modified the Strong Password help information.
- Support the following: Any security fix information will be accessible on the Dell Security Advisories and Notices website.
Read More

Version

1.19.1, 1.19.1

Release date

01 Sep 2025

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_0YP04_WN64_1.19.1.EXE
File Size: 33.99 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:
b6eef69fa6a9525c7e4aac94d8f2f148
SHA1:
d49a1510b38868b5175aea9bf1387496b3da49f2
SHA-256:
a24887e4f597c585ce2dbb97d7d5089cdfd74c730af77711f3730217b179eb85

File Format: A GnuPG file which contains a cryptographic signature
File Name: BIOS_0YP04_LN64_1.19.1.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:
accd7a3dabecaa6e630d0dd64944448b
SHA1:
85297162e2840fd7af75613777f70dffb188b4f2
SHA-256:
ea9f961291ac0d463eb6d5fc9d83c1e6f58500b608747fa8f4594de5d8ae13a9

File Format: A self-extracting file for use in 64-bit machines
File Name: xr4520-011901.efi
File Size: 12.09 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:
8dbf4c6d53c8215d66e025249cdcaefd
SHA1:
4bbd424d2d0973bcc3ccacade7c662df970c0cd8
SHA-256:
24c2249104a3b3fefa6e7edd5b98e79ac1c86f97984d8aa140345630fa21640d

File Format: An archive of PDF files to provide help and procedural information to the customers
File Name: XR4510c_XR4520c_BIOS_1.19.1_ReleaseNote.pdf
File Size: 192.71 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:
7a4ba7d918edebcac01c1803544bcada
SHA1:
e91f893c284502a428751140f4d7f907f3989f50
SHA-256:
be4539ac49b0dfdca24f615157256a7a0cc66c7055dcc926004ccbaea0bdeb19

File Format: Update Package for Red Hat Linux
File Name: BIOS_0YP04_LN64_1.19.1.BIN
File Size: 22.56 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:
1ed8daee8a500bdb5b4ddbb4264ac1e8
SHA1:
46a818f9ecbd7988992faba2b1625194153d3cb5
SHA-256:
dbcbfaad1ff5cb9c4ffcb5b33ba46ea27f21e53539203e6fac0d0390c6b2540a

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

Additional details

Show All | Hide All
None for this release.
BIOS
INFO,BIOS,LCK,FW,1.19.1
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
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" 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 guide

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