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by Pengwin
3673 days ago
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My father worked for a very long time on traffic signal systems, and a lot of their old technology was a simple EEPROM chip which they wrote a program for the signals, burned to a chip that costed a pittance, and that was it. I remember him telling me when they changed to a new system based on (i think) PCMCIA interfaces and the complexity of deployment and cost were magnitudes greater for no real benefit. If its an embedded system and the cost and work of supporting it is less than the cost and deployment of a new system, whats the point in updating it? |
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The problem is support and maintenance. Things wear out eventually, and if you can't get the parts to fix them any more, then your whole system fails.
This really shouldn't be a problem with EEPROMs, however; I'm pretty sure you can still buy those, and the programmers for them too. But 8" floppy disks, and the drives to read them, are another matter.