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Old 31 October 2019, 16:45   #24
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Join Date: Dec 2018
Location: UK
Posts: 663
Yeah, normally it is an issue with the 555 timer and associated components that is keeping _KB_RESET low.

Here you are saying _KB_RESET is high. I would just want to check that _KB_RESET is behaving as it should - i.e. it is pulsing low briefly then stay high during boot, and it is just not something that is keeping _KB_RESET high, and maybe that same something is also causing _RST to be low.

That is just me trying to ruling out everything up stream.
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