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PCB

Engineering Nightmare: PCB Gone Bad

More years ago than I'd care to count, I was a contract engineer designing computer and peripheral boards for embedded computing. Maybe some of the older engineers remember the STD (Standard) bus. This was around the time the IBM PC was just coming out.

Our systems still used CP/M and 8" floppy disks. At that time, you'd buy a separate board for each function; Z-80 CPU, boot ROM, DRAM, serial port, parallel printer port, clock, and so forth. Management, engineering and marketing what it is, I proposed putting everything on one standard 4" x 6" PCB. They loved it.

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