https://community.hpe.com/t5/proliant-servers-ml-dl-sl/system-interrupt-controller/m-p/4511752#M95410 Download and install cp009260.exe, Intel Chipset identifier for Windows 2003/2008 package. It resolved the same issue for me.<BR /><BR />Good luck<BR />Andrew Tue, 13 Oct 2009 01:57:06 GMT Woosha 2009-10-13T01:57:06Z https://community.hpe.com/t5/proliant-servers-ml-dl-sl/system-interrupt-controller/m-p/4511751#M95409 I have the same problem. I tried all the drivers but still the same. it show 3-system interrupt controller in device manager....<BR /> Sun, 11 Oct 2009 12:54:26 GMT https://community.hpe.com/t5/proliant-servers-ml-dl-sl/system-interrupt-controller/m-p/4511751#M95409 jmls_web 2009-10-11T12:54:26Z https://community.hpe.com/t5/proliant-servers-ml-dl-sl/system-interrupt-controller/m-p/4511752#M95410 Download and install cp009260.exe, Intel Chipset identifier for Windows 2003/2008 package. It resolved the same issue for me.<BR /><BR />Good luck<BR />Andrew Tue, 13 Oct 2009 01:57:06 GMT https://community.hpe.com/t5/proliant-servers-ml-dl-sl/system-interrupt-controller/m-p/4511752#M95410 Woosha 2009-10-13T01:57:06Z https://community.hpe.com/t5/proliant-servers-ml-dl-sl/system-interrupt-controller/m-p/4511753#M95411 Heres the link<BR /><BR /><A href="http://h20000.www2.hp.com/bizsupport/TechSupport/SoftwareDescription.jsp?lang=en&amp;cc=us&amp;prodTypeId=3709945&amp;prodSeriesId=3884098&amp;prodNameId=3884099&amp;swEnvOID=1005&amp;swLang=13&amp;mode=2&amp;taskId=135&amp;swItem=MTX-2906c7c95a9548509db162a23e" target="_blank">http://h20000.www2.hp.com/bizsupport/TechSupport/SoftwareDescription.jsp?lang=en&amp;cc=us&amp;prodTypeId=3709945&amp;prodSeriesId=3884098&amp;prodNameId=3884099&amp;swEnvOID=1005&amp;swLang=13&amp;mode=2&amp;taskId=135&amp;swItem=MTX-2906c7c95a9548509db162a23e</A> Tue, 13 Oct 2009 02:15:40 GMT https://community.hpe.com/t5/proliant-servers-ml-dl-sl/system-interrupt-controller/m-p/4511753#M95411 Woosha 2009-10-13T02:15:40Z https://community.hpe.com/t5/proliant-servers-ml-dl-sl/system-interrupt-controller/m-p/4511754#M95412 Sorry that one no longer works, this one does<BR /><BR /><A href="http://h20000.www2.hp.com/bizsupport/TechSupport/SoftwareDescription.jsp?lang=en&amp;cc=US&amp;swItem=MTX-27d8c34dfce14472be9b3da169&amp;prodTypeId=3709945&amp;prodSeriesId=3884098" target="_blank">http://h20000.www2.hp.com/bizsupport/TechSupport/SoftwareDescription.jsp?lang=en&amp;cc=US&amp;swItem=MTX-27d8c34dfce14472be9b3da169&amp;prodTypeId=3709945&amp;prodSeriesId=3884098</A> Tue, 13 Oct 2009 04:48:52 GMT https://community.hpe.com/t5/proliant-servers-ml-dl-sl/system-interrupt-controller/m-p/4511754#M95412 Woosha 2009-10-13T04:48:52Z