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Well, looks like I was right. I stated in a previous post that AM2+ chips can go in AM3 boards and was shot down by roofsniper and someone else.
I always remembered seeing a slide from an AMD presentation with a picture of the 3 sockets AM2, AM2+ and AM3 next to each other. It had arrows point from one socket to another for each CPU showing which they could go in. I can't find it anymore which is rather annoying.
On that diagram as I remember it, AM2+ cpus were the only one that could go in ALL 3 sockets. Though it did NOT mention anything about if the AM3 board had to have DDR2 for a AM2+ chip to go in it.
On the slide it said that AM3 could NOT go in AM2 boards as they did not support the split voltage plane and it is something that has to be engineered into the board when making it, it is not a simple bios update. It was the difference that made a board AM2+ and not AM2.
However all 3 sockets were otherwise the same electrically and physically it stated.
I imagine that IF the specs were available early enough which is possible, then mobo makers could have made AM2 boards with support for the split voltage plane then they could take AM3 cpus.(Though this effectively really makes them AM2+ boards even if they were marketed as AM2)
Also, if AM3 boards can have DDR2 or IF(unlikely?) AM2+ cpus can go in a AM3 DDR3 board, what the hell is the difference that makes a board AM3?
P.S ALL K10 cpus have always had the support for DDR3 right from the very 1st samples AFAIK. I think AMD did that just in case DDR3 caught on really fast and needed to make the transition to DDR3 earlier since it is intel that generally drives the market and brings the volume for prices to drop down.
On that note, has AMD ever supported a new memory format before intel? Cant think of any instances off the top of my head.
P.P.S informal could you post a link or something to any AM2 board supporting AM3 cpus? As I was always under the impression the mobo needed the split plane voltage requirement engineered into the board. I really wish we could just get some AMD guy, even a PR guy just come in and post or something and clear it all up.
Last edited by EvilBlitz; 12-27-2008 at 10:17 PM.
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