Hi all, Got me the bootmanager sbminst.exe and supportfile cwsdpmi.exe
After installing all disks (A: C: and D:) gave a "disk error" and there was no booting at all anymore... choosing a disk results in a frozen computer => power off to start again. Luckely uninstall is possible - first boot by a floppy - so all is now back to normal... but that was not the intention. CU, Bastiaan