I just upgraded my Asus M50Sa AK023C from Vista Premium 32 to Win 7 Pro 64 bit. Most of the install was smooth, but I ended with two entries for unknown hardware or "Base System Device":
PCI\VEN_1180&DEV_0843&SUBSYS_17671043&REV_12
and
PCI\VEN_1180&DEV_0592&SUBSYS_17671043&REV_12
After some...