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 1.4.5
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 package provides BIOS firmware version 1.4.5 for Dell EMC Server PowerEdge. Improvements include added support for HDD and USB placeholders in UEFI Boot Sequence, updated Intel Processor and Memory Reference Code to PLR5, updated IP4 stack to support point-to-point link with the 31-bit mask, and more.
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Fixes & Enhancements
Fixes
- Unsuccessful NVDIMM-N firmware update may be reported as successful.
- TPM region is not reserved in the E820 table.
- When specific 4-core CPUs are installed, the system stops responding during the NVDIMM-N firmware update operation.
- Updated the IP4 stack to support point-to-point link with the 31-bit mask.
- Able to set 'System Password' in HII when the 'System Lockdown Mode' is enabled.
Enhancements
- Added a check to prevent BIOS downgrade when 18nm DIMMs are installed in 2 DPC (DIMMs per Channel) configuration and memory frequency is 2666 Mhz or higher. For more information, visit http://www.dell.com/support/article/SLN309212.
- Added support for HDD and USB placeholders in UEFI Boot Sequence.
- Log NVDIMM-N erase failure to SEL (System Event Log).
Note: This error is already logged to Lifecycle Controller log.
- Added capability to re-enable a disabled PCIe clock after a warm reboot.
- Added enhancements to UEFI BIOS update tool. Users cannot use UEFI BIOS update utilities to downgrade BIOS to earlier version once the 1.4.5 or later BIOS version is installed on the system.
Note: Update Package can still be used to downgrade BIOS to versions earlier than 1.4.5.
- Updated the Intel Trusted Execution Technology (Intel TXT) BIOS Authenticated Code Module (ACM) to version 1.3.5.
- Updated the Intel Processor and Memory Reference Code to PLR5.
Read More- Unsuccessful NVDIMM-N firmware update may be reported as successful.
- TPM region is not reserved in the E820 table.
- When specific 4-core CPUs are installed, the system stops responding during the NVDIMM-N firmware update operation.
- Updated the IP4 stack to support point-to-point link with the 31-bit mask.
- Able to set 'System Password' in HII when the 'System Lockdown Mode' is enabled.
Enhancements
- Added a check to prevent BIOS downgrade when 18nm DIMMs are installed in 2 DPC (DIMMs per Channel) configuration and memory frequency is 2666 Mhz or higher. For more information, visit http://www.dell.com/support/article/SLN309212.
- Added support for HDD and USB placeholders in UEFI Boot Sequence.
- Log NVDIMM-N erase failure to SEL (System Event Log).
Note: This error is already logged to Lifecycle Controller log.
- Added capability to re-enable a disabled PCIe clock after a warm reboot.
- Added enhancements to UEFI BIOS update tool. Users cannot use UEFI BIOS update utilities to downgrade BIOS to earlier version once the 1.4.5 or later BIOS version is installed on the system.
Note: Update Package can still be used to downgrade BIOS to versions earlier than 1.4.5.
- Updated the Intel Trusted Execution Technology (Intel TXT) BIOS Authenticated Code Module (ACM) to version 1.3.5.
- Updated the Intel Processor and Memory Reference Code to PLR5.
Version
1.4.5, 1.4.5
Release date
11 Jun 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_N4WRF_WN64_1.4.5.EXE
File Size: 26.25 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:
0cdfc6a3339ca7f73602580fb8b07e5c
SHA1:
acc6104f1fb57e0a5587fccfe37822763dc59f4f
SHA-256:
dd1e3b4d3e4db2fdf498cd583969b25d0824b94523a37555771b24daa31add05
File Format: A GnuPG file which contains a cryptographic signature
File Name: BIOS_N4WRF_LN_1.4.5.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:
031cb5b5f6667f0f37a0d0fc14d558a9
SHA1:
d61ecce2365ccd7e3f70c46829f8494cef2f990d
SHA-256:
db1fab7a9c7400eb93c5e927c04a1635cb6d05123eb4d5e5b66b254723289829
File Format: A self-extracting file for use in 64-bit machines
File Name: T640-010405.efi
File Size: 17.92 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:
c6e3a7edd78f5ce76ad9be72a7b4b1d5
SHA1:
f1d1e12871531796c25fed31dad15ca56db5ac4d
SHA-256:
01bf77d6762a94c863131f99108fb2c36c1465795bfeb058f9f9d783c478b564
File Format: An archive of PDF files to provide help and procedural information to the customers
File Name: T640_BIOS.1.4.5.pdf
File Size: 198.37 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:
531ac87c700bb997e5b070e7a1869948
SHA1:
866dcf827b46a229e9670584a7847bb1fa9c8575
SHA-256:
9942031f9fa8bb45663352a90ddaf1ff0534557253f1875c8c48daa6760be73c
File Format: Update Package for Red Hat Linux
File Name: BIOS_N4WRF_LN_1.4.5.BIN
File Size: 26.64 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:
895dc4fabddcdfdee8d9dd41f6d78cb1
SHA1:
f409943b785e164a2eb49df4efe2410fc5a92d8a
SHA-256:
bfb09db06a49d17c3aa02f338cffeedd7daf904ebeb191ebea0cfd1bca531adc
By downloading, you accept the terms of the Dell Software License Agreement.
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.