Firmware Update for WDC London-DP SAS ISE Model Numbers WUH722420AL5200 & WUH722424AL5200. Firmware fix for potential self-initiated reset if commands are sent from an invalid lun.

Installed This file was automatically installed as part of a recent update. If you are experiencing any issues, you can manually download and reinstall.
Firmware Update for WDC London-DP SAS ISE Model Numbers WUH722420AL5200 & WUH722424AL5200.
Firmware fix for potential self-initiated reset if commands are sent from an invalid lun.
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Fixes & Enhancements

- Firmware fix for potential self-initiated reset if commands are sent from an invalid lun, due to decrementing wrong register. New firmware fix ensures correct register is decremented.
- Set WriteSame command LED blink rate to ten times a second.
- Improve debug data collection during self-initiated resets.
Read More

Version

YS04, A00

Release date

10 Jun 2025

Download Type

Firmware

Category

SAS Drive

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: SAS-Drive_Firmware_444T3_WN64_YS04_A00.EXE
File Size: 26.71 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:
4db4a2cbce9491f85a1307d5d6c51e9c
SHA1:
734a9dcb8bde4a21881a8e3b3cb049e1510172ba
SHA-256:
49c4ce946c546660efb2eb8d99473007d73ac6114c6a90c9a079c70cbba7029a
File Format: A GnuPG file which contains a cryptographic signature
File Name: SAS-Drive_Firmware_444T3_LN64_YS04_A00.BIN.sign
File Size: 842 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:
0cdd2c845d03fbb40288ed663605601b
SHA1:
c1e43c325190e4b813ce4f8c094ac227ad1effa0
SHA-256:
5800e16233c838a0c6b4f6c8ec06d0064291222b60a0ae2d9868b843b84073c3
File Format: Update Package for Red Hat Linux
File Name: SAS-Drive_Firmware_444T3_LN64_YS04_A00.BIN
File Size: 13.18 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:
3f7d987566d5199771a46e1f6bb9b5c5
SHA1:
db37f2e4270e9e92c437b826b4d78220ec3cb329
SHA-256:
f1ef4f504066cd47c4dde045a8f942bdc296055d7cff1c0ebda91904e906e03f

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

Additional details

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This update will not run if any of the following conditions exist
1. Any Virtual Disk that is not optimal.
2. A RAID container that is performing a Background Initialization or Consistency Check.
3. A Rebuild, Resync, or copyback function is taking place.
4. A RAID set that is Partially Degraded or in a Degraded state.

This update will run on drives remaining in a RAID set that is in a Offline state.

There is an architectural constraint with Dell DUP HDD firmware update utility, related to system memory utilization, which is typically encountered on systems with minimal system memory, memory-intensive configurations, multiple RAID controllers, or memory-intensive applications. This issue is typically reported as - The operation was not successful because the device buffer write has failed. And will result in an aborted attempt to update firmware on the identified HDD. Error codes associated with this failure mode include 8009 and 8017. Once an error is detected, the update session is aborted. There is no data integrity or data availability risk associated with this issue. Subsequent attempts to update the HDD firmware may succeed, particularly if system resources are freed up.
Novell SuSE Linux ES 11
Windows Server 2008 x64
Suse Linux ES 10
Linux
Windows Server 2012
Red Hat® Enterprise Linux 6
Red Hat® Enterprise Linux 7
Red Hat® Ent Linux 5
Red Hat® Enterprise Linux 8
Red Hat Enterprise Linux 9
Windows Storage Server 2012 R2
Novell SuSE Linux ES 10
SuSE Linux Desktop 11
SUSE Linux ES 12
SuSE Linux ES 15
Windows Server 2012 R2
Windows Server 2008 x86
Windows Server 2003
Windows Server 2019 LTSC
Windows Server 2022 LTSC
Windows Server 2025 LTSC
Windows Server 2008 R2
Windows Storage Server 2012
Windows Server 2016
Windows Server 2003 x64
EC London-DP (DC HC580), HDD, 12Gbps SAS, 3.5 26.1mm, 7.2K, 512e, ISE Model Number: WUH722420AL5200 Regulatory Model Number: US7SST240 Vendor PN: 0F64608
EC WD London-DP (DC HC580), HDD, 12Gbps SAS, 3.5 26.1mm, 7.2K, 512e, ISE Model Number: WUH722424AL5200 Regulatory Model Number: US7SST240 Vendor PN: 0F62835
Dell Update Package instructions for Windows Dup:

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.
5. Click the Install button.
6. Follow the remaining prompts to perform the update.

Dell Update Package instructions for Linux DUP (RHEL/SLES/Ubuntu):

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 run the update by executing
"./ Serial-ATA_Firmware__LN__A00.BIN " from the shell.
2. Read over the release information presented in the dialog window.
3. Download and install any prerequisites identified in the dialog window before proceeding.
5. Click the Install button.
6. Follow the remaining prompts to perform the update.

GnuPG Signature of Dell Update Package Instructions:

Download the latest GnuPG Signature of Dell Update Package from support.dell.com.

1. Browse to the location where you downloaded the file.
2. Read over the release information presented in the dialog window.
Installation
1. Import the Dell public key. (You only need to do this once on your system.)
2. Verify the Dell Update Package by using its signature file, Serial-ATA_Firmware__LN__A00.BIN.sign.

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