On Sat, 2024-10-12 at 14:47 +0000, Chuck Guzis via cctalk wrote: > On 10/12/24 04:51, hupfadekroua via cctalk wrote: > > Hi all, > > > > after approx 30 years of waiting our time has come to get hands on > > a Cyber 180/860a. > > > > These systems as other systems before are using 400Hz psus. > > ISTR that 400Hz 3-phase is required.
Univac 1108 had a cabinet called CTMC that was full of serial ports. It needed 400 Hz (but the rest of the system ran on 60 Hz power).
