-Intel C20x MEI NULL HECI -Intel C20x MEI NULL HECI Windows WHQL Driver V1.2.3.2002 for Windows XP 32/64 bit,Windows Server 2003 32/64 bit,Windows Vista 32/64 bit,Windows Server 2008 32/64 bit,Windows 7 32/64 bit,Windows Server 2008 R2 64 bit,Windows 8 32/64 bit,Windows Server 2012 64 bit.