Hi Groepaz, On 2011-10-23 15:18, Groepaz wrote: > On Sunday 23 October 2011, you wrote: >> Given the fact that I've already tried dumping the disks with an 80 >> track drive (HD) - I'm leaning more to my own conclusion which is: >> >> I need to get hold of a 100 TPI floppy drive and try that with my kryoflux. > > i dont know what kind of analysis stuff the kryoflux tools offer - but i can > tell you that if it is the same format as used with the sfd1001, then you > should be able to read *some* tracks correctly. the lowlevel encoding is the > same gcr as found on 1541 (and all other cbm drives). you should be able to > tell which lowlevel encoding is used by making a histogram of one track > (again, no idea what the kryoflux tools let you do). > > and that said, 100tpi shugart drives seem to be extremely impossible to find > these days. i'd rather look for a solution to read those disks with a PET or > something :) > I do have both SFD-1001 and CBM-8250 drives - but I doubt that the format used for CBM-900 floppies is the CBM GCR encoded filesystem. I've come to the conclusion that it is only the mechanics that is similar to SFD-1001. But I'm only guessing - later this week I'll be able to do more investigations on the CBM-900 story. I'll keep this list posted. /Uffe :-) Message was sent through the cbm-hackers mailing listReceived on 2011-10-23 20:00:03
Archive generated by hypermail 2.2.0.