IBM 5151 (MDA display) - common faults / gotchas?

Ali cctalk at fahimi.net
Tue Nov 11 16:42:09 CST 2014


> I'd forgotten about the long persistence phosphor in the CRT until Tony
> mentioned it - is it highly temperature-dependent

It does take a very long time although 20 seconds seems a bit extreme. The
first time I turned one on after not having used one for over a decade I was
surprised as well.

-Ali



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