IMO this does make a lot of sence
Originally Posted by Yellow&Nerdy?
It might be that AMD is releasing Zambezi with two different pin-counts. Like for example the 4-core and 6-core variants will be backwards compatible, but not the 8-core version. Or they will release two "generations" of CPUs and one of them is backwards compatible and the other one is not. Who knows. I guess we'll have to wait until June, if there isn't more delays.
i can see them making the 4/6core cpus compatible and leaving the 8/12/16 core CPUs as AM3+ Only.