> On 2016-03-01, at 15:22, Michał Pleban <lists@michau.name> wrote: > > Hello! > > Michał Pleban wrote: > >> I started a project to re-create the 1565 external floppy for the >> Commodore 65. The floppy is supposed to be attached to the computer via >> a mini-DIN8 cable. >> So I purchased a cable and stuck it into the floppy port of the computer >> (of course I had to solder a mini-DIN8 connector there first). The >> internal floppy stopped working. When I remove the cable, the floppy >> works again. Hmm. > > Update: I connected the actual floppy drive to the cable and it still > does not work. Even with a 30 cm cable disk reads are extremely flaky, > from both the internal and external drive. So it is not a problem of > termination, and the fact that it exhibits itself on both drives means > that it's not a problem of the drive either. I suspect now two things: > (a) the disk controller in the C65 is broken (which would be strange > since it works on Bo's C65) or (b) maybe I did something wrong when > soldering the DIN8 connector. I think I need to open the computer again > and resolder the connector to see if it changes anything. Obviously I can't check this myself ;-) but if there are any EMI filtering elements on the signal's way out, those can be sometimes causing similar problems to what you describe. -- SD! Message was sent through the cbm-hackers mailing listReceived on 2016-03-01 15:02:57
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