On 30/10/2018 14:49, mark wrote: > I wouldn't expect a system 1, if that's the current name AS/400 -> eServer iSeries -> System i -> Power Systems RS/6000 -> eServer pSeries -> System p -> Power Systems So the current 'Power Systems' range combines what was AS/400 with what was RS/6000. They all use Power CPUs now and run Linux, IBM i, or AIX. "IBM i" is, of course the operating system previously known as OS/400 and then i5/OS. Simple, eh. ;-) -- Mark Rousell