On Mon, 2007-07-23 at 16:51 +0800, Ed Greshko wrote: > Les wrote: > > > Yes, Solaris is Unix, and runs on x86 and lots of other architectures. > > As to the big machines in really cold rooms, most modern desktops have > > more power than the early Unix systems did. In 1972 a 10Mb disk was > > huge. I worked on a 40Mb disk which had air pumps, pnumatic pistons to > > drive the heads and ran at 3600 RPM with platters that were about 20" in > > diameter if I remember right. > > Are you sure they were pneumatic? When I worked on those types of disk > systems in the 70's they were hydraulic. > Could be, but I remember the air pumps and the filters. Mine were built for the Navy and were on Guam, where hydraulic fluid tended to get kind of mucked up, so maybe ours were "special". Regards, Les H
