Dell Server PowerEdge BIOS Version 1.8.5

Restart required

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.

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Driver Id : VTF4T

Importance : Recommended

Version : 1.8.5, 1.8.5 Latest version Recommended version Latest and Recommended version

Release Date : 27 Apr 2026

Download Type : System BIOS

Category : BIOS

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.

Download Files

File Format: Dell Update Packages in native Microsoft Windows 64-bit format do not require that Microsoft WOW64 be installed on the Microsoft Windows Server.

File Name: BIOS_VTF4T_WN64_1.8.5.EXE

File size: 35.6 MB

To ensure the integrity of your download, please verify the checksum value.

MD5: 64d820bca7cc4508d86aa15feb5b5ea7

SHA1: e1d41c1eab793821fbadf8509a088965cb108a9f

SHA-256: 839f1cca93b0f6945f8aed16c0cb4620a80964c925b05f44f95a0ce6a07a5f8d

Download .EXE

File Format: 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.

File Name: BIOS_VTF4T_LN64_1.8.5.BIN.sign

File size: 842 Bytes

To ensure the integrity of your download, please verify the checksum value.

MD5: 67c19394c04e3f1088393647dbfc2497

SHA1: f32a2031fcbdc20c992d7613b4631bace38d39ab

SHA-256: d47a6e7af80bceae375557a31e76dfdbdc07f49b6d390462bf981c2d158a17a7

Download .SIGN

File Format: 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.

File Name: 17GBIOS-010805.efi

File size: 18.8 MB

To ensure the integrity of your download, please verify the checksum value.

MD5: b02cc62106bf7d0f871efbfeb394ed9e

SHA1: b3a75590822ec49329b2769643c7bca33c739a2d

SHA-256: 1f55d3c4ff8318f9255fa31ca09690709d82b2dd29612b9de48aac168fda1f5b

Download .EFI

File Format: 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.

File Name: R770_R670_R570_R470_XE7740_BIOS_1.8.5_ReleaseNote_V2.pdf

File size: 244.93 KB

To ensure the integrity of your download, please verify the checksum value.

MD5: 57dee8b99e2b0375b21098efbb9ad4d6

SHA1: 8a2c04ec49fed479b4f4952319c43b89ebd1ee0d

SHA-256: b6e97f094c4dd77b807256ff4108eb6d0ee5161ab4c93c121234203e6fcb217f

Download .PDF

File Format: Dell Update Packages for Linux can be used as stand-alone applications that ensure that specific validation criteria are met, then apply an update.<br /><b>Note:</b> Update Packages for Linux are open source. See the Dell Update Packages for Linux Readme for details.

File Name: BIOS_VTF4T_LN64_1.8.5.BIN

File size: 25.73 MB

To ensure the integrity of your download, please verify the checksum value.

MD5: 9f0ebedc0c8881e5ed0e95d86b42b7fe

SHA1: 3e9a4d6f273fe8fdc3c475c822c9f90714dd8d35

SHA-256: 338b1999f8895141483b761690dce3659299beb7c7afae26e92f6d422757fea2

Download .BIN

Fixes & Enhancements

Fixes:
- Fixed SGX configuration validation: SGX is now correctly grayed out when only two DIMMs are installed.
- Fixed an issue where Linux reported the warning:WQBC data block query control method not found.

Enhancements:
- Updated the following:
- Intel processor and memory reference codes in the Unified Post Launch Release 3 v3545.P.22 2
- Intel processor microcode to version 0x3A3 in the Intel Xeon 6700E-series Processors.
- Intel processor microcode to version 0x142 in the Intel Xeon 6500P-series and 6700P-series Rich I/O Processors.
- Intel processor microcode to version 0x423 in the Intel Xeon 6500P-series and 6700P-series Processors.
- Intel Trusted Domain Extension (TDX) to version 1.5.28.04.989 for the Intel(R) Xeon(R) 6700E-series Processors
- Intel Trusted Domain Extension (TDX) to version 2.0.16.00.994 for the Intel Xeon 6500P-series and 6700P-series Processors
- Integrated Dell Remote Access Controller (iDRAC) HII settings engine to version 6.0.0.30.
- Support BIOS setup settings to lower TDP (PL1/PL2).
- Enhancements Network Boot Device Description more easily distinguish the Dell Network Boot Device.
- This product release may contain security updates. Any security fix information will be accessible on the Dell Security Advisories and Notices website.

Important Information

- 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.

Installation instructions

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.
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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.
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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.
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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

Dell Server PowerEdge BIOS Version 1.8.5

Download Files

Fixes & Enhancements

Important Information

Compatible Systems

Supported Operating Systems

Installation instructions

Applies to