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 R630/R730/R730XD Version 2.5.5
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.R630/R730/R730XD BIOS Version 2.5.5
To view all drivers for your PowerEdge R630, go to Drivers and downloads.
Recommended
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This is the latest Dell validated version of this driver
This is not the latest Dell validated version of this driver
BIOS_Y4Y95_WN64_2.5.5.EXE | 19.46 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_Y4Y95_WN64_2.5.5.EXE
File Size:
19.46 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:
d70d3f576a9b6cc25f92a733dad14691
SHA1:
0ef7080c7f4fbd996a1c5f8f9dcafa84d749ab40
SHA-256:
21a4a9e1f8afbe4c1d065822eb55c009b58130a1ad00b785975b33d3d1093a9f
Sign in to Windows as an admin to use automatic scan. If your're already signed in as an admin and seeing this message, please reboot.
Your system is managed by your IT admin and features might be limited.
Find more updates. Use SupportAssist to find all the latest driver updates for your device.
Fixes & Enhancements
Fixes
- Added workaround to address the uncorrectable errors on RDIMMs with specific vendor or the rev Register Clock Driver (RCD).
- Updated ECRC (end-to-end CRC checking) to prevent the OS from changing the BIOS settings.
- Fixed CPU machine check issue when the Write Data Cyclic Redundancy Check (CRC) is enabled.
Enhancements
- Updated the Intel Processor and Memory Reference Code (MRC) to PLR11.
- Updated the Intel Xeon Processor E5-2600 v4 Product Family Processor Microcode to version 0x21.
- Updated the Intel Xeon Processor E5-2600 v3 Product Family Processor Microcode to version 0x3A.
- Improved the PCIe Slot CTLE settings for the E5-2600 v4 processors.
- Secure MOR change to support the Windows 2016 R3 server version.
- Added support for the Redfish management interfaces.
- Added improvements to Non-Volatile Memory Express (NVMe).
- Added improvements to the Secure Boot Custom Policy settings.
- Added improvements to the S130 storage.
- Added support for mixed Quad Rank and Dual Rank LRDIMMs.
Read More
- Added workaround to address the uncorrectable errors on RDIMMs with specific vendor or the rev Register Clock Driver (RCD).
- Updated ECRC (end-to-end CRC checking) to prevent the OS from changing the BIOS settings.
- Fixed CPU machine check issue when the Write Data Cyclic Redundancy Check (CRC) is enabled.
Enhancements
- Updated the Intel Processor and Memory Reference Code (MRC) to PLR11.
- Updated the Intel Xeon Processor E5-2600 v4 Product Family Processor Microcode to version 0x21.
- Updated the Intel Xeon Processor E5-2600 v3 Product Family Processor Microcode to version 0x3A.
- Improved the PCIe Slot CTLE settings for the E5-2600 v4 processors.
- Secure MOR change to support the Windows 2016 R3 server version.
- Added support for the Redfish management interfaces.
- Added improvements to Non-Volatile Memory Express (NVMe).
- Added improvements to the Secure Boot Custom Policy settings.
- Added improvements to the S130 storage.
- Added support for mixed Quad Rank and Dual Rank LRDIMMs.
Version
2.5.5, 2.5.5
Release date
15 Nov 2017
Download Type
System BIOS
Category
BIOS
Importance
RecommendedDell 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
File Format:
A GnuPG file which contains a cryptographic signature
File Name:
BIOS_Y4Y95_LN_2.5.5.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:
4ce2b88ac45542f7ccc6463d8f7c84b2
SHA1:
b2cdadbab4bb56ae6608474ca022ce394609b059
SHA-256:
7cbfcbb815bab34523ffc9411ceab8268dc6e52c23d222f262433b8a587d775d
File Format:
A self-extracting file for use in 64-bit machines
File Name:
BIOS_Y4Y95_EFI_2.5.5.efi
File Size:
5.44 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:
3d8b47cd7c00325ab7c1247d22ecb70d
SHA1:
9cdbc1c5c08af575c4cedfb8c7260410a4c57844
SHA-256:
9c2b79303e35590f684c233a22f7d10c22249f8330b8644a0b3206535a109cd2
File Format:
An archive of PDF files to provide help and procedural information to the customers
File Name:
R730R730XDR630_BIOS.2.5.5.pdf
File Size:
123.79 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:
5b552535d9ae124f21003c51e143a69e
SHA1:
d8409142f97bf4ebae1c4adb700c4a36f4791462
SHA-256:
4705d571ad0b7282f04fddbc26f6574bce8a17e1a670ae39f158af0d814d6280
File Format:
Update Package for MS Windows 32-Bit
File Name:
BIOS_Y4Y95_WN32_2.5.5.EXE
File Size:
14.37 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:
ebe2168a130c99305a915b983d0ed530
SHA1:
45615f60a6ed307e3a273de5fca50036a6acec3b
SHA-256:
6f2c40bfffe86bea447640ff9cfe25538e83df55612a99697074ed8c7f680a44
File Format:
Update Package for Red Hat Linux
File Name:
BIOS_Y4Y95_LN_2.5.5.BIN
File Size:
63.02 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.
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:
ef17535366c9a1f4ab80c42f9b9832f2
SHA1:
6e84fbe71e2d08aabae1d273c136b503188fb8fe
SHA-256:
ea5c0de183bb13c7a05ddd09ebd5a974caf2fd68411231ec75ced7895a2de780
By downloading, you accept the terms of the Dell Software License Agreement.
Other Available Versions
2.19.018 Mar 2024
2.18.130 Nov 2023
2.17.022 May 2023
2.16.029 Nov 2022
2.15.021 Jul 2022
2.13.016 Jul 2021
2.12.120 Jan 2021
2.11.020 Dec 2019
2.10.518 Sep 2019
2.9.111 Feb 2019
2.8.012 Jun 2018
2.7.124 Feb 2018
2.6.028 Nov 2017
2.4.305 Oct 2017
2.2.513 Sep 2016
2.1.729 Jun 2016
2.1.602 Jun 2016
2.1.531 May 2016
2.0.231 Mar 2016
2.0.117 Mar 2016
1.5.409 Dec 2015
1.3.623 Jun 2015
1.2.1009 Apr 2015
1.1.424 Nov 2014
1.0.408 Sep 2014
Supported Operating Systems
Not Applicable
Looking for a different OS? View the list of Dell supported operating systems
Applies to
INFO,BIOS2.5.55,LOCK,TENCENT
PowerEdge BIOS
PowerEdge R630 BIOS
PowerEdge R730 BIOS
SWB,BIOS,13G,SECTOR7,Q1FY18
Installation instructions
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
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.Drivers help and tutorials
For more downloads go to the Drivers and downloads.
For help on using the information on this page, please visit Driver Help and Tutorials.