We developed PCMCIA cards around 1990-on in coordination with Fujitsu IIRC at National Semiconductor. It was the hot new thing at the time at my site. There were other semiconductor companies racing to get their versions marketable at the same time.
It was kind of sad to see it finally die, but I guess things got cheap enough you could integrate almost anything into a system.
It was exciting at the time. Unfortunately, I was involved in other projects while the PCMCIA development work was in progress, but I was very interested in all of the new tech my department was working on and stayed enlightened at arms length.
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