That's not really true at any level. There were decent i386 SVR3 releases before 1990 and some very nice SVR4 releases soon after (particularly, Dell). I depl

That's not really true at any level. There were decent i386 SVR3 releases before 1990 and some very nice SVR4 releases soon after (particularly, Dell). I deployed a lot of them as an alternative to workstations. HP and DEC were not cheap in that timeframe, though you could argue they were more capable. And while not a "PC", a 64-bit desktop showed up in the form of the R4000 in 1991.