> > > Pretty cool. I wonder if the 500 write limit is a limitation of the card itself -
> > the
> > > flash being so cheap that it could only last that long.
> > >
> > > Is the read number stored in the memory card itself?
> >
> > suspected IC Card Chip type supports minimum of 10000 write/erase cycles.
> > so, it's just limitation to gain more money from new cards sales.
>
> Possible it was an artificial limit. I have seen as low as 1500 on some devices from
> that era. Heard of a few with a 500 limit. Usually for me it is the accounting table
> that ate itself first but those were usually newer flash drive style chips. Being
> such a small device it is probably overwriting the whole thing every time. The spec
> sheet of the device probably would say how much it is. The higher limits were usually
> later devices with a better manufacturing process, larger, and wear leveling built
> in. Course I am randomly speculating
I suspected it would be something like this, but it makes more sense if it was purposefully built to not last very long so operators could sell cards.
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