I'm quite certain that the MacIIci was offered in a special "government
configuration" which used the parity option.
Yes, I just checked my reference. There was a separate logic board for
the IIci with parity (service part #661-0583), available at extra cost
compared to the regular one (service part #661-0532).
Under "Macintosh IIci Specifications", there is a heading entitled
"Parity Support" which says, "Purchase of optional parity board with
parity generating chip and parity RAM converts the system to a parity
system."
Rob
>
>I don't believe ANY Mac has ever used error detection (called
>"parity"). Some early PC's and servers did.
>
>John
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