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Re: Problem at boot time

Posted: Mon Apr 16, 2018 10:53 pm
by Pr0f
warm up issues can also be related to power supply. Capacitors deteriorate over time. If voltages are a little low until the components are warmed up, it may be that the supply is insufficient to guarantee proper operation when cold. Checks with a multimeter can help.

Re: Problem at boot time

Posted: Tue Apr 17, 2018 8:21 am
by Peter
FrancoisLanciault wrote:If any of you have anything else to suggest I will be happy to hear you out.
I'd remove, clean and re-insert the PLCC socket chips ("INGOT"). However, since your problem changed with DRAM chip location, that alone probably won't fix it.

Re: Problem at boot time

Posted: Tue Apr 17, 2018 8:47 am
by vanpeebles
Do you use a surge protector, or is the power straight from the mains? :)