Re: cbm 8032 motherboard + 4164

Date: Mon, 10 Oct 2016 23:18:11 +0200
Message-Id: <>
> On 2016-10-09, at 08:30, didier derny <> wrote:
> Interesting question....
> on my motherboard the ram pin where highly corroded...
> that's one of the reason why I removed them and installed socket of good quality...

I have a NOS batch of old ICs that look perfectly fine but their pins (the thin part) are extremely fragile and fall away with ease, leaving only the thick part. When soldering them I need to have wide pads on top and solder them from both sides (especially the top) or I risk intermittent, hard to locate malfunctions. Putting them into sockets is risky too. Pins break and fall away if not when pushing them in, then surely when trying to pull them out. I take it is due to long-term storage induced corrosion of the metal that happens to be affecting the transition between thin/thick section of the pin more than any other areas. This is the only known to me case when it seems better NOT to have sockets in…


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Received on 2016-10-10 22:00:38

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