Carlos E. R. wrote:
We need hard disks with two or more independent heads. :-)~~
Bring back drum memory! I once worked with some that were taller than me :) we also had drums where I worked. I recall working on one, installed in 1952, and gapping the head clearance with a piece of bond paper. This drum used a relay tree to select the heads and used 6Y6 vacuum tubes in
Dave Howorth wrote: the write amp. On a later system, made by Phillips, the drum was tapered and used centrifugal force, acting on pendulums, to lift the drum up and into closer proximity with the heads. With this mechanism, a power failure would not cause a head crash. -- Use OpenOffice.org http://www.openoffice.org -- To unsubscribe, e-mail: opensuse+unsubscribe@opensuse.org For additional commands, e-mail: opensuse+help@opensuse.org