I think the second pass of the format looks for, and marks, bad blocks. A disk that has all sectors marked good should have 3946 blocks free on an 8280. Rob On 26/04/2018 19:05, vossi wrote: > OK, > it was my mistake - I didn't realized that the new diskettes are write > protected!!! > Now I taped the small notch and was able to format disks in both drives. > > Drive 0 formatted disk is readable in both drives, but drive 1 formatted > disks is only readable in this drive. > I think I have to clean both drives and heads... > > Interesting note: > Both new Memorex 2s2d flex disks have 3944 blocks free. > The used Maxell FD2-XD 2s2d disk has 3945 blocks free - why ??? > > > > ----- > greets > Christian > -- > Sent from: http://cbm-hackers.2304266.n4.nabble.com/ >Received on 2018-04-26 23:04:44
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