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 1.4.8

Restart required AUTO 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 contains new Intel Xeon Processor Scalable Family Processor Microcode to address CVE-2018-3639 and CVE-2018-3640. This package provides BIOS firmware version 1.4.8 for Dell EMC Server PowerEdge M640/FC640/M640 VRTX.
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Fixes & Enhancements

Fixes
N/A

Enhancements
- Enhancement to address security vulnerability CVE-2018-3639 (https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-3639).
- Enhancement to address security vulnerability CVE-2018-3640 (https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-3640).
- Updated the Intel Xeon Processor Scalable Family Processor Microcode to version 0x4D.
Read More

Version

1.4.8, 1.4.8

Release date

27 Jun 2018

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_WMMVJ_WN64_1.4.8.EXE
File Size: 26.14 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:
15d87caf8e4432c812f9511dd278afc2
SHA1:
1e7b16af556d988aca4d936d11bd33728e34a55c
SHA-256:
b3ff7309022d93f0c84d5f026bbc9511a2201cda55432335ef5b41e6e954fcb3

File Format: A GnuPG file which contains a cryptographic signature
File Name: BIOS_WMMVJ_LN_1.4.8.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:
f399ba273b2d6c88e16bcc23a286ce8f
SHA1:
45f722cbb353201b3b847defd3a106d5ad974f03
SHA-256:
39d0bc644c196decf5947449a6b2216d6524ba0686bd099a3719f21a651423a8

File Format: A self-extracting file for use in 64-bit machines
File Name: M640-010408.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:
42dc51ef2d42bcab71febe37d57acede
SHA1:
5bf10a6477518c57a60f87a3a235cc3791a5743b
SHA-256:
53e8ff8c7cd8374786dc1997fd9498ebf1af21c321c040de11ddce4dd93a30ce

File Format: An archive of PDF files to provide help and procedural information to the customers
File Name: M640FC640_BIOS.1.4.8_RN.pdf
File Size: 294.12 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:
5fb423190409778da5285f0ee8b9cb46
SHA1:
79073e58a8957858de683fbb399ef5c36e593c4e
SHA-256:
ed32e73b98b5bb567d7a0eddfe287c096028778e43d808b4d5fc4eb4502cfe14

File Format: Update Package for Red Hat Linux
File Name: BIOS_WMMVJ_LN_1.4.8.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:
d1bbc46ce3005436a4aab634e7c585a0
SHA1:
3941bbe60530fc7b5af3841ad1596036b6a93ae9
SHA-256:
58b9d1575320ed11eb84d80e3fa5fcb020072f9d2288bda4ca83f977680e1224

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

Additional details

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If the BIOS in system has not been updated for over a year, it is highly suggested to update the BIOS to the latest version.
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 and usage guide.

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