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 Microsoft® Windows®
File Name:NETW_FRMW_WIN_R298844.EXE
Download Type:HTTP
File Size: 4 MB
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.
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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
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).