> On May 10, 2018, at 10:37 AM, Grif <grif...@mindspring.com> wrote: > > > I wonder how the late generation paging disks (fixed head per track) like DG > used in the 80's compared?
One that comes to mind is the DEC RS04. It spins at roughly 3600 rpm (a hair
less, so obviously a 2 pole induction motor running off 3-phase 60 Hz power).
Transfer rate is 0.5 megabytes per second, but still, at that RPM, average
latency is 8.5 ms.
paul
