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 C6420 Version 2.5.4

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.
Added the Intel Speed Select Technology - Base Frequency (SST-BF) feature. Updated the "Processor and Memory Reference Code" to 0595.D.04. Updated a few BIOS Setup help messages. For more information about specific items added and resolved in this BIOS version, see the Fixes and New and enhanced features sections.
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Fixes & Enhancements

Fixes
- Updated a few BIOS Setup help messages
- Fixed a potential BIOS Recovery failure.
- Issues that were not reported by the Dell EMC customers at the time of current release.

Enhancements
- Added Intel(R) Speed Select Technology - Base Frequency (SST-BF) feature.
- Updated the "Processor and Memory Reference Code" to 0595.D.04.
- Added the option to enable or disable Correctable Error Logging in the Memory Settings of the System BIOS Settings.
- Enhanced the Lifecycle error messages due to correctable memory errors. You will need to upgrade both the BIOS and iDRAC firmware to make sure that the new messages display correctly in the Lifecycle logs.
- Changed the default setting of Native tRFC Timing for 16 Gb DIMMs to Enabled.
- In some cases, the memory space-indicated by OS as reserved for hardware-is reduced.
Read More

Version

2.5.4, 2.5.4

Release date

18 Feb 2020

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 View Important Information

File Format: Update Package for MS Windows 64-Bit.
File Name: BIOS_0CD33_WN64_2.5.4.EXE
File Size: 27.25 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:
e76cf7c181b8946ab9a453810d33dadc
SHA1:
eb7a85588d8a16a864e110da6f27beb69666b8be
SHA-256:
2360c71aded6876ca2dbe029d37aea6d0080ae33336f520cb0ee1aeacb68f8b7

File Format: A GnuPG file which contains a cryptographic signature
File Name: BIOS_0CD33_LN_2.5.4.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:
ae2e6b9b119d2f1f74c80437d7784374
SHA1:
24204619d5fab48b405b4414c69eca478a2b9949
SHA-256:
8b4c941b317ca59369a683b1f72022886a4f5e0142955c621e2c06cf2d4de610

File Format: A self-extracting file for use in 64-bit machines
File Name: C6420-020504.efi
File Size: 19.2 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:
a4a928c13345409f4cd31b59ecdbaa77
SHA1:
b4bf84d3eb0008115db5c1599a06d042f6717f21
SHA-256:
6824dbe90b8e627e9f55c6f56965ce46395f92b4828e34b2a4313520c5f16e96

File Format: An archive of PDF files to provide help and procedural information to the customers
File Name: C6420_BIOS.2.5.4_RN.pdf
File Size: 165 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:
82cfed4b6a05a7f0f721980c5a71318a
SHA1:
a3872ca893323a397103c3645cae5d3b01216a54
SHA-256:
f66abb14760afc819112be3b2e3f10d7066c52c0bd7846988bdcc44d7c4cdd10

File Format: Update Package for Red Hat Linux
File Name: BIOS_0CD33_LN_2.5.4.BIN
File Size: 28.59 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:
e25915cd9ae6e251dd24f65f8842d895
SHA1:
c13a7eec5e4daf2ebf1b8f54fe4db8d530402f95
SHA-256:
ba3654f4bcbc12aad6618a2a2933206b9cea1d88afcdb2812be5b9a488182a8f

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

Additional details

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PowerEdge 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

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