> On Apr 26, 2018, at 14:25, Geoffrey Oltmans via cctalk > <cctalk@classiccmp.org> wrote: > > TRS-80 Model II and 16, 68k based "business" machines
The Models II and 12 were Z80 based machines. The models 16 and 6000 were the same Z80 based machines with 68k subsystems added via additional cards to allow them to run Xenix.