Presuming you are referring to the frame generation aspect of dlss 3? If so, apparently it can run on ampere, however, the reason nvidia aren't bringing it is because people will complain about poor IQ and it being laggy, which is fair enough if true.... It should be provided as an option though. DF were asked that same question and they said it could also run on ampere but it would require a lot of time and effort to get it running well i.e. see how long it took to get good results on dlss 1, fsr etc.
Essentially it's another thing where nvidia are first, supposedly they have been working on it for the past 6-7 years, even longer than "DLSS" so I suspect much like gsync, dlss and RT, nvidia will have the market to themselves for a couple of years again, having said that, DF very strongly hinted that intel are going to be getting something out to compete ASAP too, amd we'll probably be waiting a bit longer on but eventually they'll have something as well.
But yes, hopefully modders will be able to get it working on ampere but I suspect it won't be a good experience, similar to how the FSR hack into dlss wasn't great i.e. severe ghosting (which they can't fix)
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After you posted the active backplate link it did Peak my interest and now considering getting one as mine is mounted horizontal so will actually see it . You hard pipes look perfect to me , can't see anything wrong with those 
