BIOS
ID47H ID57H NE56R NV51B NV57H
NV75S NV77H      
VGA (Intel, NV, AMD)  Remove / Install
NV55S NV56R NV57H NV75S  
AHCI
ID59C NE46R NE56R NV47H NV49C
NV72C NV79C      
WLAN/LAN
ID47H ID57H NE51B NE56R NV51B
NV52L NV55S NV56R NV57H NV76R
NV77H        

* For complete Windows 8 upgrade details, see www.windowsupgradeoffer.com & www.microsoft.com/en-us/windows/compatibility/win8/CompatCenter/Home. Check these sites frequently, as some details may change and/or additional information may become available.