Old link http://downloadcenter.intel.com/T8Clearance.aspx?url=/14344/a08/winvista_156.exe&agr=N&ProductID=2102&DwnldID=14344&lang=eng expired. 20080809: New link updated. Thanks to Serpiko for the head up.

Download from Intel.

If the direct link to the driver file is not working, you might want to go to the End-User License