Maybe it's the humidity which changes seasonally... Testing the same hardware & software at the same time with inverse climatic conditions may help, Nejat On Thu, Jun 3, 2021 at 12:32 PM <silverdr_at_wfmh.org.pl> wrote: > > > > On 2021-06-02, at 19:42, smf <smf_at_null.net> wrote: > > > > "Finally, this phenomenon hinges on the exact timing of the RAS signal > at the nanosecond level, and on many machines the critical situation simply > doesn't occur. The timing (and thus the probability of a crash) depends on > factors such as temperature, VIC revision, parasitic capacitance and > resistance of the traces on the motherboard, power supply ripple and > interference with other parts of the machine such as the phase of the > colour carrier with respect to the dotclock. The latter is assigned > randomly at power-on, by the way, which could be the reason why a > power-cycle sometimes helps. > > > > [...]" > > > > I'm not sure there is any easy way to tell. > > Yeah - still no luck here despite even dropping some Rs/Cs here or there. > > -- > SD! > > > > >Received on 2021-06-03 15:00:05
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