It is possible that the MBR contains incompatible boot code. There are ways to force update it.
On FreeDOS 1.2 there was a ZAPMBR.BAT that would do that. I think it is also included on 1.3-RC2. I don’t recommend using it on a multi-boot system. > On Mar 5, 2020, at 7:45 PM, Matej Horvat <matej.hor...@guest.arnes.si> wrote: > > On Fri, 06 Mar 2020 00:15:17 +0100, dmccunney <dennis.mccun...@gmail.com> > wrote: > >> I think your fundamental problem is that FreeDOS cannot successfully >> boot from a 7.8GB partition formatted as FAT32. It may be able to >> access other larger partitions formatted FAT32 and seen by DOS as D:, >> E: or the like, once FreeDOS *is* booted, but it cannot boot *from* >> one. > > No, the problem must be elsewhere. I have successfully booted and ran FreeDOS > from a FAT32 partition of almost 2 TB. I installed it manually with > FDISK/FORMAT/SYS. > > > _______________________________________________ > Freedos-user mailing list > Freedos-user@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/freedos-user _______________________________________________ Freedos-user mailing list Freedos-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/freedos-user