on the very old CBM-II the 50hz, was coming directly from the AC frequency I saw some PSU with the chip used for the 50hz just burnt giving a cbm II apparently with a non working keyboard (I had to fix one) On 11/05/2015 17:20, Christian Dirks wrote: > Am 11.05.2015 um 13:00 schrieb Michał Pleban: >> Good observation! I think the only problem will be the TOD of the >> CBM-II's will be off, I can live with that. >> > I think the 50 Hz signal from the CBM-II PSUs is generated by a timer, > so it would be indepented from the mains frequency. > Accordingly, there are no 50 / 60 Hz ROMs, like the PET editor ROMs. > > Christian > Message was sent through the cbm-hackers mailing listReceived on 2015-05-11 16:00:42
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