>Thanks for your extensive reply.
>We were exactly the same in some beginning, but at some time it became too complicated or so (we have this ERP package). And as I understand, you just know more about it all {s}
>One more thing though : however in the world would it be possible that our apps ran/run in FPDos 2.5 without EMS ? Now since it all is over 10 years ago when it was setup (for 2.5) I can't recall exactly what the problems were, but they were there, that's a fact. So maybe we applied some tricks (without knowing) ?
>

Sure your alternative were either to use EMS, or use no high memory manager, in which case, FPDOS 2.5 queried the BIOS for memory above the 1MB mark, not understanding XMS.