http://blogs.technet.com/b/windowshpc/archive/2009/07/04/new-mellanox-winof-infiniband-whqled-drivers-driver-installation.aspxMellanox has released a new version of its WHQLed WinOF drivers. V2.0.5 build 4453 See: http://www.mellanox.com/content/pages.php?pg=products_dyn&amp;product_family=32&amp;menu_section=34 Click the download tab in the middle of the page and selecten-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)http://blogs.technet.com/b/windowshpc/archive/2009/07/04/new-mellanox-winof-infiniband-whqled-drivers-driver-installation.aspx#3265435Thu, 16 Jul 2009 23:47:08 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3265435FrankChism<p>Good people, I got the following comment from one of my favorite Ib guys:</p> <p>Please add [prominent] mention of the step-by-step guide for IB driver installation (permanent link is here: <a rel="nofollow" target="_new" href="http://go.microsoft.com/fwlink/?LinkId=137227">http://go.microsoft.com/fwlink/?LinkId=137227</a>) to this blog entry. &nbsp;This reads as though MSI is the recommended install method- I’d like to stress driver injection as that will keep the cluster running after the eventual re-image of nodes. &nbsp;</p> <p>Thanks, </p> <p>Eric</p> <div style="clear:both;"></div><img src="http://blogs.technet.com/aggbug.aspx?PostID=3265435" width="1" height="1">