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 1.4.8

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 T640.
Recommended

Find the best download for your system

Please enter your product details to view the latest driver information for your system

Search support

Enter your Dell Service Tag or model

Want to look up your product? Enter a product identifier. Show me how

This driver is not compatible

This driver is not applicable for the selected product. Choose another product to re-enter your product details for this driver or visit the Product Support page to view all drivers for a different product.

Find more updates. Use SupportAssist to find all the latest driver updates for your device.

Fixes & Enhancements

Fixes
None for this release.

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_4F4K0_WN64_1.4.8.EXE
File Size: 26.26 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:
23fa23eed5cab58e844540f4ceccbb89
SHA1:
c84231e1b0ad808ebd622bea59272566f41e92ae
SHA-256:
a5b5e71196f5b58e2cdb3dc39b3b5e44ddac66ecd3b9160b314606b5d7c6fec4

File Format: A GnuPG file which contains a cryptographic signature
File Name: BIOS_4F4K0_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:
843aaf9c608cb52f46098d93f4404b5d
SHA1:
1b9399b2cd3eb361b982206074697c1ffb49aa52
SHA-256:
5b190639cf10b5c17541df4693b282973648852ec14ee3f83f8c3ff3f9a97b51

File Format: A self-extracting file for use in 64-bit machines
File Name: T640-010408.efi
File Size: 17.93 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:
0f19f944e9902ea60c6e26d6cc167adc
SHA1:
4d4f5336127da267988d705171e8b1c83a6e6431
SHA-256:
d53c5ae5350eec42d99d5370e006e74b2031ec24d9c8efa7f66cd2e5add9518e

File Format: An archive of PDF files to provide help and procedural information to the customers
File Name: T640_BIOS.1.4.8_RN.pdf
File Size: 291.87 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:
e40debe8ddc5e55731c44ab7babb2d77
SHA1:
7bff7f042978da214a16946016613866a34a47e6
SHA-256:
bede8489ca9aa229c849f7b6267743d8665b638f9e78f0829c709162f0a6b6c3

File Format: Update Package for Red Hat Linux
File Name: BIOS_4F4K0_LN_1.4.8.BIN
File Size: 26.65 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:
4a4372da613240bed1d6d155a83c9b51
SHA1:
72683db684bbc9546c02d85a1394aad68a0379df
SHA-256:
5883da84eba7be18b4cdb1b4763843e0a8cd682570666aa30c81170c5f2ce9c1

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

Additional details

Show All | Hide All
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.
INFO,BIOS LOCK,T640XL,Q1FY19
T640 BIOS
T640 XL 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.

Drivers help and tutorials