Ok there is still an error somewhere. Windows it not mounting the NAND Flash.
I started by just copying the ramdisk to the NAND Flash first and then mounting the drive afterwards with the new code from the ramdisk.
XFEDI
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ITS WORKING!
But wtf, turnes out that LBA (Linear based addressing) which is designed to replace the older cylinder head sector format is still addressing hole sectors and not a single byte in memory. So there was an address mismatch all the time.
Now the flash drive can also be formatted with other filesystems, cool. No need for FAT12 anymore.


