Note that some 8/A systems were supplied with the 8/E CPU rather than the
"native" 8/A CPU (KK8-A). Some of those are the 8A600 and 8A620, using the
KK8-E, and the 8A625, using the KK8-F. I expect that any 8A6xx system will
have the 8/E CPU, and there might be others as well.