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 Server BIOS PowerEdge R620 Version 2.5.2

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.
PowerEdge R620 BIOS Version 2.5.2
To view all drivers for your PowerEdge R620, go to Drivers and downloads.
Recommended
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BIOS_CNN4X_WN64_2.5.2.EXE | 22.43 MB
This is a large file. Depending on your connection speed, it may take some time to download.

File Format: Update Package for MS Windows 64-Bit.
File Name: BIOS_CNN4X_WN64_2.5.2.EXE
File Size: 22.43 MB
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:
1f37f3c9a07bd6c13aa4f092d9bdca32
SHA1:
25b9afb6ea5b8432287bcf9094ba9adb45688612
SHA-256:
419ea5eae94137eb573fd0cdac7310d0e7c97d391429215803ae8b644cb53cc5

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

Fixes & Enhancements

Enhancements
Updated Intel Xeon processor E5-2600 V2 product family microcode to 428.
- Updated Intel chipset configuration compliant with latest BIOS specification updates Rev (2.0.8).
- Updated Intel Management Engine (ME) binary to Rev 2.1.5. 0x8B, to address issues that resulted in unexpected temporary or permanent Processor frequency degradation.
- Updated Intel SINIT Authenticated Code Module to SINIT ACM 2.4.
- Made improvements to the System Setup user interface when Console Redirection is enabled.
- Updated iDRAC HII configurator UEFI driver to v1.65.65.04.
- Updated BIOS Copyright as 2015 Dell Inc.

Fixes
- Corrected an issue where VMware ESXi 5.1.x, QLE24xx cards stop responding during disk I/O when Intel Xeon E5-2600 V2 family of processors is used.
- Corrected a system crash issue while performing the change security key operation under 'Integrated RAID Controller PERC 710' Configuration Utility by using mouse.
Read More

Version

2.5.2, 2.5.2

Release date

01 Apr 2015

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.

File Format: A GnuPG file which contains a cryptographic signature
File Name: BIOS_CNN4X_LN_2.5.2.BIN.sign
File Size: 198 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:
e96b1ed8dd3659c9a80fe86aed84e8fa
SHA1:
03425a21dd02c690fc89b46c21e3d89e377fac46
SHA-256:
ad1de9195caf62827e524628bf79d77db1d282199111fda8d0349465a15ca382

File Format: A self-extracting file for use in 64-bit machines
File Name: R620-020502C.efi
File Size: 8.08 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:
5db407b4a88fd5731746d1fbf2c51cc3
SHA1:
b6a872587537c98d2f87d9d03bd7343feaa3f984
SHA-256:
e73043ef1ffb0f453c7356f9ae486890f19025b8a38ff53173a053f95aad3884

File Format: Flash BIOS executable
File Name: R620-020502C.exe
File Size: 3.21 MB
This is a large file. Depending on your connection speed, it may take some time to download.
Format Description:
This file format consists of a BIOS-executable file. To use it, download the file and copy it to a DOS-bootable USB flash drive, then boot the system to the USB flash drive and run the program.
To ensure the integrity of your download, please verify the checksum value.
MD5:
108299b6a31f6e8db35ad1f63ed0ae22
SHA1:
324305087f249d090d03bfbaa64cff8f0e1d318e
SHA-256:
cefa54e1d5138f746a1506853a826d07cdfc1322ca89e47c46acf3f36b1ab0d3

File Format: An archive of PDF files to provide help and procedural information to the customers
File Name: R620_BIOS_02_05_02_Release_Notes.pdf
File Size: 259.41 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:
63633d755dec113b17e96df0e87418e9
SHA1:
4f1c3dc6a82f9535afeae8706f5772974178e58b
SHA-256:
c8d9624ece4a469d8ecd4caf53e89c95c5e64c7091a43f6c4ca4eb18c0a0eeec

File Format: Update Package for MS Windows 32-Bit
File Name: BIOS_CNN4X_WN32_2.5.2.EXE
File Size: 14.9 MB
This is a large file. Depending on your connection speed, it may take some time to download.
Format Description:
Dell Update Packages (DUP) in Microsoft Windows 32bit format have been designed to run on Microsoft Windows 64bit Operating Systems. Dell Update Packages (DUP) in Microsoft Windows 64bit format will only run on Microsoft Windows 64bit Operating Systems. When selecting a device driver update be sure to select the one that is appropriate for your operating system.
To ensure the integrity of your download, please verify the checksum value.
MD5:
1c67c7b965a89fc0fcd7639c0d62d4cd
SHA1:
8aaeaf091837c243dd471b8c2bb7fe22fe9721ee
SHA-256:
0ab0bc53649695e40f24eeca23b8090cdaaa0c886673362414d8a50de51ea729

File Format: Update Package for Red Hat Linux
File Name: BIOS_CNN4X_LN_2.5.2.BIN
File Size: 16.61 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:
86058dd464acab3ecb57d72ae56530df
SHA1:
dd484099bdd962438d25c820d873a0a2ba0cef12
SHA-256:
72cd6d2e058ba4f66ff33450f6e7246b29badfff83a118b03c7c9c57409aac79

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

Additional details

Show All | Hide All
2.9.021 Feb 2020
2.8.009 Sep 2019
2.7.027 Jun 2018
2.6.107 Mar 2018
2.5.417 Feb 2016
2.4.310 Oct 2014
2.2.305 Jun 2014
2.2.206 Mar 2014
2.1.318 Dec 2013
2.1.225 Nov 2013
2.0.1923 Sep 2013
1.6.026 Mar 2013
1.5.030 Jan 2013
1.4.818 Dec 2012
1.3.608 Oct 2012
1.2.626 Jun 2012
1.0.406 Mar 2012
Server BIOS 12G
SWB,BIOS,12G,R620,Q3FY15
SWB,BIOS,12G,R620,Q4OOBFY16
SWB,BIOS,12G,R620,Q4OOBFY16,V2
Dell Update Package Instructions for DRMK
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
NOTE: You must provide a DOS bootable media, such as a USB key. This executable file does not create the DOS system files.
1. Browse to the location where you downloaded the file.
2. Update the name of the file to DOS recognizable format (8.3). If you do not update the filename to 8.3 format, the filename will be truncated to 8.3 format.
3. Copy the file to the bootable device.
4. Boot the system to DOS by using the bootable device.
5. Run the executable under DOS. Follow the instructions provided by the flash utility.
--------------------------------------------------------------------------------
Dell 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 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 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 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 public key. (You only need to do once on your system.)
2. Verify the Dell 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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