The bug 86box team believes they found is that FreeDOS (FDISK or Kernel) blindly uses 13h Extensions. I doubt that very much. It may be that UMC or ECS BIOSes mentioned may not present BIOS HDD data in ways FreeDOS or FD FDISK are unable to detect.
On Sun, Nov 10, 2024 at 4:44 PM Paul Dufresne via Freedos-devel < freedos-devel@lists.sourceforge.net> wrote: > https://github.com/86Box/86Box/issues/4818#issuecomment-2350705648 > For me, it is kind of a revelation that some BIOS don't implements int 13h. > > That was after listening to: https://www.youtube.com/watch?v=4GCvF-chgn0 > > I frankly don't think it is worth to do direct port and DMA programming of > the disk controller... > Maybe we could detect if int 13h exist... frankly not sure how, and give a > clearer error message sooner. > > Also, I think we might want to make the test version visible on: > https://freedos.org/download/ page... although, it would proably not > helped much in this case. > > > > _______________________________________________ > Freedos-devel mailing list > Freedos-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/freedos-devel >
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