Turning 41C into 41CV

[wojtek]

(03-19-2016 07:55 PM)Jim Horn Wrote:  .........................................................I also replaced its four RAMs (16 registers each in 8 pin DIPs) with the equivalent 'CV parts (actually five of those - the fifth one piggybacked on one of the four), making it a '41CV with all the early bugs.

Have you replaced 8 RAM IC's or the whole board with RAM and the processor?
It is made in old technology (old now) so soldering should not be a problem, the problem would be with finding today the old IC's to replace, and probably with changing the soft in ROM?