Ruud Baltissen has found a way to use bigger hard-disks in the Commodore 80286 PC's. The Commodore 80286 PC (PC30-III, PC35-III, PC40-III or PC45-III) has a limit of 512 MB for the hard-disk. But Ruud added the XTIDE Universal BIOS to the system and now the limit of your hard-disk is 8 GB.