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 PowerEdge BIOS M640/FC640/M640 VRTX 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 release provides continued code optimization to improve stability & performance. This release contains BIOS firmware version 1.4.5 for Dell EMC Server PowerEdge M640/FC640/M640 VRTX.
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Fixes & Enhancements

Fixes
* TPM region is not reserved in the E820 table.
* 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.
* 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

Version

1.4.5, 1.4.5

Release date

13 Jun 2018

Download Type

System BIOS

Category

BIOS

Importance

Recommended
Dell 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

File Format: Update Package for MS Windows 64-Bit.
File Name: BIOS_39NHK_WN64_1.4.5.EXE
File Size: 26.13 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:
08f7a8113d5dd1f12e5da76a5642c845
SHA1:
9f74715dae0a212ff1155dfa0958037ef74b30aa
SHA-256:
29bb0bbe91740ca1609e66fd53c3e68075dc446116118022363d37c175997018

File Format: A GnuPG file which contains a cryptographic signature
File Name: BIOS_39NHK_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:
78c392ff9d8ba2f39563d6242cad72f3
SHA1:
570da0479fca9b7f5785547f546fa5bff32e114e
SHA-256:
49a10b3efa076c1a97374fb4a9f1fb65e224373a2c5c1c3289705dc75e69159f

File Format: A self-extracting file for use in 64-bit machines
File Name: M640-010405.efi
File Size: 17.8 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:
ceea9db419efc2f1bd9502acba7647f9
SHA1:
2ddce847e4e87b2aa18ac9bdf271b08fd35d930e
SHA-256:
1e72187d6b1043a84b7bae74690dacc9d50afb505515ab1adb5e8d9cc5cfb8ce

File Format: An archive of PDF files to provide help and procedural information to the customers
File Name: M640_BIOS.1.4.5_RN.pdf
File Size: 198.27 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:
af3e318c8e8b9ecc30d13fff9f87821e
SHA1:
4099e42fef7260a489a9ec17722f1b6c89abd5ed
SHA-256:
154ba6d88fd394c80f40a343ad542ca030c6f222c68f852643f9bc9596325cbf

File Format: Update Package for Red Hat Linux
File Name: BIOS_39NHK_LN_1.4.5.BIN
File Size: 26.52 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:
0f6934538f42aa4d8cf4ce22c808a497
SHA1:
b67bd23b178b2698d7250204dda5c212a8fea6ea
SHA-256:
6b249416bd815ef69865bb4bdc0ccfc006306259db2c6befd1c1dcc153704676

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

Additional details

Show All | Hide All
PowerEdge M640/FC640/M640-VRTX BIOS
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

Need help with BIOS issues?

Find a solution in Dell's BIOS troubleshooting guide

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