On 8/8/16 1:33 PM, Al Kossow wrote: > > > On 8/7/16 9:52 PM, Eric Smith wrote: > >> Of the four Intel M2FM disk images I've tried, which are single-sided >> 77 track 52 sector 128 byte, for a total of 4004 sectors, I get 3990, >> 3981, 4004, and 3976 sectors read apparently correctly (without CRC >> error). That's more than 99.3%, which isn't good enough. >> > > is there any correlation between creation dates of the files and the failure > rate? > > i'm wondering if the heads started to clog farther into the imaging session. > > he didn't say how often he cleaned the heads. > >
that is a big problem with acquisition not concurrent with analysis.
