I have a Abit KT7A board due to arrive tomorrow, so I've been keep an ear out for this supposed Rev. 2. However, upon re-reading the article I keyed in on this :
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So here it is, the KT7A rev2 review. No, there are no hardware changes on the board, and Abit won't tell you anything's different officially, but trust me, a lot has changed.
It's obvious VIA is getting better yields on their KT133A Northbridges. It may be due to finer Silicon, a cleaner clean room, or simply improved manufacturing techniques. One thing is certain, these suckers sure can overclock.
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There isn't a revision two. It's simply what the author is calling it as far as I can tell. I don't see how you would ever be able to tell, because Abit is still labling them the same -other than buying 10 of them and testing each one and keeping the best OC board.