On Fri, 3 Dec 2010 18:54:31 -0500 Tony Harminc wrote: > On 3 December 2010 16:36, Pommier, Rex R. <[email protected]> > wrote: > > > One phase of the 3-phase power was out. Think 3380 disks that > > (according to rumors propagated by my CE at the time) have to be > > wired correctly so they don't spin backwards. > > I can say from personal experience that the motor in a 3211 printer > will run backwards if any two of the three non-neutral wires are > interchanged.
(At least) one of the Amdahl disks had no phase protection and would run backwards. Might have been the 3380 look-alike. Shane ... ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
