> On 16 Apr 2026, at 14:12, Jesus Cea <jcea_at_jcea.es> wrote: > > On 11/4/26 3:16, Jesus Cea wrote: >> You could be interested in this: >> https://x.com/commodoreihs/status/2040555413326672219 > > Now a Youtube video: > > Technical Deep Dive: 15 second format routine for the Commodore 64 and 1541 > https://www.youtube.com/watch?v=74EKB7gdDv4 Minor inaccuracy inherited from the previous video is the visualisation of the tracks on disk layout. 1541 is an 80 track drive but with the head it is equipped with and double-stepping it is made to be effectively 40 track drive, not 35 track one. CBM DOS simply does not use the innermost five tracks, presumably as a reliability safety margin. This means the visualisation, which shows the tracks spread evenly across the surface with no unused portion is not really correct. -- SD!Received on 2026-04-16 22:00:01
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