Re: lisa 2 startup problems

From: PSchaefer <dr.p.schaefer_at_email.domain.hidden>
Date: Wed, 14 Nov 2012 15:17:32 -0800 (PST)


Am Mittwoch, 14. November 2012 20:25:07 UTC+1 schrieb Alex:  

> On the card edge connector I measure also 0V on the /RESET pin. this means
> the system is kept in reset state on the motherboard.
>

There is an electrolytic capacitor (C8) next to the 68000 CPU. Usually it gets leaky, then /Reset is stuck low.

In case you don't have a replacement available, just cut it away. Then you'll have to press the Reset button once to start the CPU (after power-up)

Patrick

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Received on 2012-11-15 11:08:23

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