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Originally Posted by beedeeman
Okay, so I modified the original V26.09a navboot file so that it has the OEM splash logo. I made sure that the original file and the new file were identical. Next, using my hex editor I did a "CRC16/32 of file/block" calculation on the original and modified files and surprisingly they return identical values.
Next step is to slow burn the image using DVD Decrypter (preference thing, I hate Alcohol120%) I'll save that for tomorrow, kinda tired 
Keep my fingers crossed. Not quite there yet folks, you gotta hand it to the X5World braintrust  |
Good plan...
Tried the following with no luck (same error)
- changed 2 bytes (2 characters) in the middle of the GIF logo file embedded in NAVBOOT - ie. same filesize
- ensured that the NAVBOOT datestamp was exactly the same (to the second)
The good news is that when it fails, all you have to do is put the 'official' CD of v26.09A into the Navigation Computer and it installs & functions properly. This saves having to go back to v26 and then do the 'update'.
If we do find out how to get it to work I would think that we could have virtually any splash screen we like. Clearly file size is not the issue as this 'T 26.09A' image is much smaller than the '==BMW==' image (and the colour table is different too).
Paul Martin
Australia
www.paulnika.com