My favourite expansion hardware was the Vortex ATOnce286 classic for my trusty old A500.
It enabled me to run MS-DOS up to v6.2 and MS-WINDOWS in monochrome mode up to v3.1 and all related PC-apps on my A500 with just an 68000 CPU, 10.3 mB Ram (8mB at the expansion port and 2.3 mB internally) and a self-built 130mB 5 1/4" harddrive station (2 x 65 mB RLL-HD's via OMTI RLL controller fitted to the so called "ct-interface", which was conncted to the expansion port and provided one PC/XT slot for the OMTI controller), which included an PC- PSU as well...
:-o
In those days (1991) I paid 161 DM for it (aproximatly 80 € nowadays).
I really wish there will be a similar cheap solution for A1/OS4 to become compatible...
