strange disk behaviour i have a with a western digital wd a hard drive this drive is cylinders with read write heads physically but logically it is cylinders with read write heads in the cmos setting i am instructed to set it to type ibm cyl read write heads the problem i was sent western digitals ispfmt low level program from the manufacturer and was instructed to run it on the hard drive with the cmos setting set to type this worked o k and i verified the disk using the same program i then reloaded dos which did a high level format again no errors no bad sectors etc but when i run norton speedisk or any other disk optimizer with the verify option set on i get error verifying sector nnnn where nnnn can be any number not the same all the time any ideas as to what is going on here would be appreciated thank you steve hamilton nbb dsacng dla mil
