----- Original Message ----- From: "Paul Koning" <paulkon...@comcast.net> Sent: Monday, November 30, 2015 3:55 PM
> On Nov 30, 2015, at 3:45 PM, Fred Cisin <ci...@xenosoft.com> wrote: > > Oversimplified remedial tutorial: > Ideally, the system reads a sector, does what it has to do with the content, > and goes back for the next one, and can read every sector of the track in a > single revolution. > ... > It is USUALLY the same on every track, but there are rare exceptions. And > different disk formats from the same manufacturer may be different. Your writeup was aimed at floppy disks, but interleave may also appear on hard drives. I don't remember it in reasonably modern systems, but it shows up on CDC 6000 systems. ----- Reply ----- Definitely an issue with IBM PC/XTs and clones; I recall testing every new combination of HD and controller for most efficient interleave before I delivered to the client. m
