Originally Posted by AaronP
The driver needs a raw binary copy of the EDID. It sounds like your ".dat" file contains an ASCII representation of the EDID. Those bytes you pasted in your earlier post were the complete contents of that file, right? I've attached a binary copy of that data that you can try (you'll have to gunzip it first).
Aaron, you are a star! Problem solved. I now have a fully working 9400GT.
Many thanks for the help. That one has been bugging me for weeks.