Intel Ethernet Server Adapter X520-2, Ethernet X520 10GBE Dual Port KX4 Mezz, Ethernet Server Adapter X520-T2, Ethernet X520 10GBE Dual Port KX4-KR Mezz, v.12.5.2, A01

Firmware Dell Update Package for Intel 82599 10GBE cards

Fixes & Enhancements

This release fixes a link issue for the Intel(R) Ethernet X520 10GBE Dual Port KX4-KR Mezz card with the M8428-K Dell switch.


Version 12.5.2, A01



Release date

07 Dec 2011

Last Updated

04 Nov 2016


Available formats

File Format:Update Package for Red Hat Linux
File Name:NETW_FRMW_LX_R298844.BIN
Download Type:HTTP
File Size: 4 MB
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.
Not available
Not available
File Format:GnuPG Signature for Linux Update Package
File Name:NETW_FRMW_LX_R298844.BIN.sign
Download Type:HTTP
File Size: 0.2 KB
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.
Not available
Not available

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

Supported Operating Systems
Novell SuSE Linux ES 11
Windows Server 2008 x64
Suse Linux ES 10
Red Hat Enterprise Linux 6
Red Hat Ent Linux 5
Windows Server 2008 x86
Windows Server 2003
Windows Server 2008 R2
Windows Server 2003 x64
Applies to
Ethernet X520 10GBE Dual Port KX4 Mezz
Intel(R) Ethernet Server Adapter X520-2
Intel(R) Ethernet Server Adapter X520-T2
Intel(R) Ethernet X520 10GbE Dual Port KX4-KR Mezz
Installation instructions
Reboot will be required
Important Information
Important infomation about this release:
1. Before you attempt to run the Windows firmware update tool (NETW_FRMW_WIN_R298844.EXE)
make sure the Windows base driver is loaded on your 82599 device.
2. If you are using a Linux operating system, make sure:
- First, load the appropriate base driver
- Second ,install the latest DKMS program (from
- Third, run the NETW_FRMW_LX_R298844.BIN to update the firmware.
3. Please go over the fit_12.5.2_A01.txt file for more information on this firmware update tool.

Note: This Dell firmware update package does not work with any Xen kernel.
Warning: Do not turn off your computer or disconnect from your power source while updating the BIOS or you may harm your computer. During the update, your computer will restart and you will briefly see a black screen.

This driver has been tested by both the independent software vendor (ISV) and Dell on the operating systems, graphics cards, and application supported by your device to ensure maximum compatibility and performance. Details

Dell recommends applying this update during your next scheduled update cycle. The update contains feature enhancements or changes that will help keep your system software current and compatible with other system modules (firmware, BIOS, drivers and software).