Dell EMC Server BIOS PowerEdge C6420 Version 2.8.2

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.

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Driver Id : MTTTX

Importance : Urgent

Version : 2.8.2, 2.8.2 Latest version Recommended version Latest and Recommended version

Release Date : 10 Sept 2020

Download Type : System BIOS

Category : BIOS

- Fixed an industry-issue seen on BIOS versions 2.6.3 through 2.8.1 where the system may reset during power-on at the time "Configuring Memory" is displayed on the boot screen. The issue is applicable to DDR4 and NVDIMM-N memory configurations.
- Updated the "Processor and Memory Reference Code" for the second-generation Intel Xeon Processor Scalable Family to IPU 2020.1.
- Enhancement to address the security vulnerabilities (Common Vulnerabilities and Exposures-CVE) such as CVE-2020-0545, CVE-2020-0548, and CVE-2020-0549.
For more information about specific items added and resolved in this BIOS version, see the Fixes and New and enhanced features sections.

Download Files

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_MTTTX_WN64_2.8.2_02.EXE

File size: 27.25 MB

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

MD5: ec506ca52be14da39c177a4fddfc59e1

SHA1: adf5a152d1b4f62783a3f5f29937b07d1d20a940

SHA-256: 537f565e332b0a555cab1f9a45df5ef67146caaa4a4a37c622dccc0d2b1970e2

Download .EXE

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_MTTTX_LN_2.8.2_02.BIN.sign

File size: 226 Bytes

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

MD5: 500e4cc5e960ba78aabe37c6fe10757e

SHA1: 764c28af2d603ddabcfa931f08bacb8d3f015f5b

SHA-256: d419823cb517bd91b67f8885838d7339003421dc6379a0b96f27872b7ed9ba36

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: C6420-020802.efi

File size: 19.22 MB

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

MD5: 31d66f56a677ed6ace15a345aef39487

SHA1: e77a3aa5bdffa9d93bbd7bcc6d3e75718e5b7981

SHA-256: 68017752cf80a9aae32c89a7dcce16f2759dee01f332aae74c152d890a9dbe5c

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: C6420_BIOS.2.8.2_RN.pdf

File size: 161.49 KB

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

MD5: ed3e30ce5d9544752517ce44194ff964

SHA1: 6d9abf6ffe966e90f87b44defbf675b42f26ce30

SHA-256: bb1661448914a72ae93a7922b714739dc7344d9299ce6fbf5b21507e505c9737

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.<br /><b>Note:</b> Update Packages for Linux are open source. See the Dell Update Packages for Linux Readme for details.

File Name: BIOS_MTTTX_LN_2.8.2_02.BIN

File size: 28.61 MB

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

MD5: d17078f2469556a356d36f10b45984f0

SHA1: 58184866be4525e3abb8039c63f61aac6b2e2b92

SHA-256: 510e01bc203ad0324826996036f83dbcff4763c6503dd1d51ef14298da04f718

Download .BIN

Fixes & Enhancements

Fixes:
Fixed an industry-issue seen on BIOS versions 2.6.3 through 2.8.1 where the system may reset during power-on at the time "Configuring Memory" is displayed on the boot screen. The issue is applicable to DDR4 and NVDIMM-N memory configurations.
The following are included in 2.8.2 that were released in previous BIOS versions that are no longer available for download.
- Issue with the "Monitor/MWait" option in System Profile Settings on 2-socket servers, remaining enabled after selecting disable.
- Issue with "CPU Domain Power Limiting" not capping to target values.
- Issue with MSR 0x1AD which interfered with the new Turbo Ratio Limits has been fixed, without impacting the factory default settings.
- Issue with the memory capacity changing when "Node Interleaving" or "Sub NUMA Cluster" is enabled.
- Fixed an issue where there was an improper functioning of the MSR 0x1AD (TURBO_RATIO_LIMITS_RATIOS) register.
- Fixed other miscellaneous issues.

Enhancements:
The following are included in 2.8.2 that were released in previous BIOS versions that are no longer available for download.
- Added an option in "DRAM Refresh Delay" in Memory Settings, to disable refresh postponement.
- Updated the "Processor and Memory Reference Code" for the second-generation Intel Xeon Processor Scalable Family to IPU 2020.1.
- The S140 firmware is updated to 5.5.2-0006.
- The memory self-healing feature is added to perform memory self-healing after an uncorrectable error (MEM 0001) or burst of correctable errors (MEM 8000). Memory self-healing for a MEM 0001 event will execute automatically, but for a series of MEM 8000 events, self-healing is initiated after a system restart.
- Updated the Processor Microcode to version 0x2F00 for the second-generation Intel Xeon Processor Scalable Family.
- Updated the Processor Microcode to version 0x69 for the Intel Xeon Processor Scalable Family.
- Updated the Intel Management Engine firmware to version 04.01.04.381.
- Updated the BIOS ACM (authenticated code module) to version 1.7.3.2019.07.12.
- Enhancement to address the security vulnerabilities (Common Vulnerabilities and Exposures-CVE) such as CVE-2020-0545, CVE-2020-0548, and CVE-2020-0549.

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 BIOS PowerEdge C6420 Version 2.8.2

Download Files

Fixes & Enhancements

Important Information

Compatible Systems

Supported Operating Systems

Installation instructions

Applies to