DEC 3000/600 Alphaserver problems

Maciej W. Rozycki macro at
Wed Jan 12 18:13:54 CST 2022

On Wed, 12 Jan 2022, Jon Elson via cctalk wrote:

> > Thanks Jon.
> > 
> > Here is a badly focused picture of the suspect components:
> > 
> >
> WOW, I don't know what those are!  They look like big ceramic caps to me, but
> if they don't have any polarity marking, then they can't be Tantalum.  Big
> multilayer ceramics are prone to cracking due to board flexing, and that can
> cause catastrophic failure, too.

 They do look like tantalum caps to me, e.g.:


The pointed end indicates polarity.


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