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FAT32 drive on GPT (Miscellaneous)

posted by boeckmann, Aachen, Germany, 02.09.2023, 15:17

> > [1] > > https://academy.cba.mit.edu/classes/networking_communications/SD/FAT.pdf > > This is what they claim in the specifications, but most drivers actually > support "small FAT32" (with less than 65_536 data clusters) and only > distinguish FAT32 from FAT12-or-FAT16 by testing whether the 16-bit Sectors > per FAT field is zero. (The Amount of Root Entries field is also zero on > FAT32, nonzero on FAT12-or-FAT16. It is uncertain what would happen if one > of these fields is zero and the other nonzero.) When "specification" meets reality :-D I am wondering if this small FAT-32 thing was an implementation side-effect or by intention. The implementation I choose for RANISH is to explicitly forbid the creation of such partitions, even if the partition type was set to FAT-32. Better play save in this respect.

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