Do the same to the ROM chips and confuse the heck out of someone
    trying to reverse-engineer your product.

Heh.  IIRC, the cisco CSC/2 processor card got laid out a bit wrong,
with the data lines reversed (I *think* this was accidental, rather
than an attempt at security.)  So the prom-downloading softwarfe was
another place we ended up putting some bit reversal code (but it
didn't have to be small or fast.)

BillW

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