On 03/04/2017 01:27 PM, Mark J. Blair via cctalk wrote: > > I mostly remember the shop-vacuum-like whine of the vacuum pump, and > the fluttery thwack of the tape loops forming on load-up. The other > tape motion sounds didn't stick in my memory so much. I do remember > the buzzy grind of the capstan motors on the C240's tape drive; I > don't recall whether that drive's OEM was Fujitsu or Hitachi, but I > found it quite enjoying to watch as an engineering student.
You could tell from across a noisy computer room when one of the guys was running the tape I/O section of the Navy COBOL audit tests. The short-record section made a 607 or 657 tape drive sing quite loudly. I believe that attribute was used for the CDC rendition of "Anchors Aweigh"... --Chuck