Yeah, I know the 500 and 800 did, that was why a lot of people were upset when it was missing in the first release of the 820 and 1000. Or at least you no longer were able to keep separate per bike odometers if you wanted to use that to track maintenance and chain/tire life.
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Bikes: 1996 Eddy Merckx Titanium EX, 1989/90 Colnago Super(issimo?) Piu(?), 1990 Concorde Aquila(hit by car while riding), others in build queue "when I get the time"