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I am running wipi netdimm in an excellena (blue) with a TD-IO I built and while everthing is now working, I had to swap out the last Naomi 1 for another one to get it to work The last Naomi was playing OK for about 30min then it would freeze. You could reload a game and it would play for a bit but once it had frozen once it would keep doing it untill you tried again tomorrow. You would get 30 min and off we go again.

It's not voltage (getting 3.31v, 5.02v and 11.59v into the Naomi) and changing out for another working Naomi fixed the issue. Likewise it's not a netdimm or IO issue as they work perfectly on other Naomi boards. Fans are new, cooling is f No errors either.

This is not 1 board, I have a few that have displayed this issue over the years but as the cost used to be pretty low, I just got another one when this issue popped up. Now the price has risen a little, I am thinking it may be something worth fixing but it has me totally stumped. Anyone have any ideas what could be or where to look?
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