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FAT32 drive on GPT (Miscellaneous)

posted by tom Homepage, Germany (West), 31.08.2023, 10:31

> > I have a 500GB GPT hard drive with a FAT32 drive on it. What will I need
> > for DOS to see this disk? Is it possible at all?
>
> AFAIK any current DOS kernel doesn't support GPT.

as said in 2022,

http://www.drivesnapshot.de/download/kernel.sys

should show and use existing FAT/FAT32 partitions if they are below 2TB.

of course the kernel must be loaded from floppy or GRUB

> Theoretically it
> shouldn't be so hard to add such support into FreeDOS, it would need only
> some minimal parsing of GPT to find FAT16/32 and read the LBA offset where
> the partition starts.
even practically it took no more then ~2 hours of work to implement this.


> Alsou you coud save this troubles using hybrid MBR/GPT scheme as your disk
> size is below 2TB...
it's MUCH better to have a kernel that supports GPT partitioning natively.

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