Yes, this is possible to combine CHS and LBA access in one FAT32+8086.
Congratulations, Arkady! But does it work, that is, is it tested?
Though, (currently) there remains no free bytes.
So you're using the space 100%?! Great! ;-)
32-bit code is shorter and there will be remained around 30 bytes.
If it can be done for 8086/88, it's better - some XT can be equipped with an IDE card with its own BIOS, and FAT32 partitions can be as small as 128 MB as far as I know, so the hard disk needn't be too big. Even a FAT32-formatted compact flash card could be used for 80186-based embedded systems.
BTW, in fat12 there currently 53 bytes free (was 0), in fat16 there 59 bytes.
Great, but again - is it tested, does it work? I hope so, since no LBA BIOS is required for it.
Lucho
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