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 BIOS PowerEdge T640 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.Fixed a BIOS update failure found in the 1.5.4 BIOS release. For more information about specific items newly added and resolved in this version, see the New and enhanced features section and Fixed issues section in this Release Notes.
Recommended
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Fixes & Enhancements
Fixes:
- The BIOS update from 1.5.4 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:
- None.
Read More- The BIOS update from 1.5.4 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:
- None.
Version
1.5.6, 1.5.6
Release date
26 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_YDRY8_WN64_1.5.6.EXE
File Size: 26.31 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:
64de1bfa7b65ab9e0bfec6b4f413763e
SHA1:
c1ae3728bc8a4a4193a16deb1c7758eecf720d19
SHA-256:
2c95c67d0eee9927a480d2ac1f4d8c2f3481e997892ce1c201979ee749205432
File Format: A GnuPG file which contains a cryptographic signature
File Name: BIOS_YDRY8_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:
069ff9f03dbeafb556f764ae9c2fd6c4
SHA1:
6f921df7996c152803277b9bd7a161adbef47dbe
SHA-256:
7ad1e45c2fa84f0aadc65b70177a885a3a48d22f8dcf0d0b40697b666b890409
File Format: A self-extracting file for use in 64-bit machines
File Name: T640-010506.efi
File Size: 17.98 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:
095b35469c4e4ac06e42cdafc11de971
SHA1:
7361f30e5d5f4f8f8e8c21049942871ca39573ed
SHA-256:
c3dc36a3f55829707ba43df4318c050828b1d39d62165d64fc954532e31c5b54
File Format: An archive of PDF files to provide help and procedural information to the customers
File Name: T640_BIOS.1.5.6_RN.pdf
File Size: 317.25 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:
a5f7ba8ba280a15b090540839ac9aaef
SHA1:
7ef7f1abcc0643da77c36c2abad929652c07d11f
SHA-256:
294b2e3a848499f50de442e83c144b48803a92b2af36a73949b7d6d2e649a823
File Format: Update Package for Red Hat Linux
File Name: BIOS_YDRY8_LN_1.5.6.BIN
File Size: 26.72 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:
0df4c5e729bfe41b06dee085377bf068
SHA1:
f424b987e49f8bc8e468ae8dd5c817d5750f9de5
SHA-256:
cdb849d5e122b74ef96cae636d66842d15c6f4d592e8c8efe314c51bba6e5fd2
By downloading, you accept the terms of the Dell Software License Agreement.
Important Information
This release provides continued code optimization to improve stability and performance.
Supported Operating Systems
Not Applicable
Applies to
T640 BIOS
T640 XL BIOS
Installation instructions
Dell EMC Update Package Instructions for EFI
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 EMC Update Package Instructions for Linux DUP:
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 EMC Update Package Instructions for Windows Dup:
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 EMC 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 EMC Update Package Instructions for Linux DUP:
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 EMC Update Package Instructions for Windows Dup:
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 EMC 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.