Dell EMC Server PowerEdge BIOS R740/R740xd/R640/R940/7920R Version 1.4.5

Restart required

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.

Driver Id : W4KY0

Importance : Recommended

Version : 1.4.5, 1.4.5 Latest version Recommended version Latest and Recommended version

Release Date : 22 May 2018

Download Type : System BIOS

Category : BIOS

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.

Download Files

File Format: 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.

File Name: BIOS_W4KY0_LN_1.4.5.BIN.sign

File size: 226 Bytes

To ensure the integrity of your download, please verify the checksum value.

MD5: 2a09c3efc1f871ca595cb45b796a0726

SHA1: 653d6b2e0134f1fa3e387bdf5addbfe7752e9968

SHA-256: 0561e322ba1c29edb589814949a50371402f8b15753d09a45eef877bee5f486b

Download .SIGN

File Format: 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.

File Name: BIOS_W4KY0_EFI_1.4.5.efi

File size: 17.93 MB

To ensure the integrity of your download, please verify the checksum value.

MD5: df4cf666c2d2ea9c0c9cea775d51ff8f

SHA1: 096cd96ceb38af091f5d39e92afd80be8b7a13eb

SHA-256: 5e5907f6071f3c9fa9677b9aa5ccdb5926f536c3e46523b8e8fb7e052189c164

Download .EFI

File Format: 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.

File Name: R740R740XDR640R940PRECISION7920R_BIOS.1.4.5_RN.pdf

File size: 297.92 KB

To ensure the integrity of your download, please verify the checksum value.

MD5: 886c80ea8cc8c83e2468c270b47ac104

SHA1: 8fe921796a53d029c452f217b5dedf6d22cee909

SHA-256: 3a3ea74d69de41144793f0e186587c9ee5c0b3a65eb35a96895d885888af631d

Download .PDF

File Format: 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.

File Name: BIOS_W4KY0_LN_1.4.5.BIN

File size: 26.65 MB

To ensure the integrity of your download, please verify the checksum value.

MD5: abe479c43cd84f422b316a18e43e0edf

SHA1: 3cc6fca74f80d17969e78764fb1c219ee3ccc579

SHA-256: 77923eb67a90caa0e083860f5ec526ee5f17c2f8e64a401b225c5e6819ace227

Download .BIN

File Format: Dell Update Packages in native Microsoft Windows 64-bit format do not require that Microsoft WOW64 be installed on the Microsoft Windows Server.

File Name: BIOS_W4KY0_WN64_1.4.5.EXE

File size: 26.26 MB

To ensure the integrity of your download, please verify the checksum value.

MD5: 89492dc0d6a3649a73003c3690b887ba

SHA1: 72bc5792dbc3d8051d075faf8d4af51ab7451680

SHA-256: 0a4755ab010fa6dfc7bd27538b4bfd682576ce23d688d46e21dd79648db661a7

Download .EXE

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.
- Added UEFI Capsule Firmware (BIOS only) Update Support by using O/S update service such as Windows update. This feature is available only for Precision 7920 Rack workstations.
- 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.

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.
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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.
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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.
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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

Dell EMC Server PowerEdge BIOS R740/R740xd/R640/R940/7920R Version 1.4.5

Download Files

Fixes & Enhancements

Important Information

Compatible Systems

Supported Operating Systems

Installation instructions

Applies to