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AM2+ processor in a socket AM3+ mobo - does it work???

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October 18, 2011 7:46:26 PM

OK, I have found literally THOUSANDS of forum articles out there (Google is your friend :)  ), but none that quite get what I am asking. My power went out the other day and in the process surged my mobo. I am looking to get the GIGABYTE GA-970A-D3 mobo to replace it. I have a Phenom II X4 940 Black Edition AM2+ proc. The question is, will the 940 work in the GA-970A?

Newegg links:

Mobo: GIGABYTE GA-970A-D3
Proc: AMD Phenom II X4 940 Black Edition AM2+

I've been doing computer work for years so I am no dummy, I just want some confirmation before I go spending ~$200 for a mobo that wont work with my proc! ($99 for the mobo, $75 for the 8gb DDR3 mem, and ~$25 for the tube of Arctic Silver (i ran out of my old tube :)  )).
a c 850 à CPUs
October 18, 2011 10:08:07 PM

No it will not you will have to have a AM3 CPU! First of all it does not have DDR3 support only DDR2!
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a c 141 à CPUs
October 18, 2011 10:23:08 PM

Its not on the supported CPU listing but I dont know why.
http://www.gigabyte.us/support-downloads/cpu-support-po...
I beleive there may be a typo or they never got one in to be tested. I don't see why it would not work myself esp since the 955 and up are on there. Perhaps a call inito Gigabyte support would get you an answer or maybe a free motherbd to test with for them.

Ps - 8gb of Ripjaws 1600 is on newegg's eggblaster today for $40 shipped...
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October 18, 2011 10:26:49 PM

The problem is that the 955 and up are AM3 CPUs, while the 940 is an AM2+. What I am wondering is if an AM2+ works in an AM3+ mobo.
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October 18, 2011 10:32:05 PM

No it won't work, like Rolli said. You'd need an AM3 processor. So unless you want to upgrade your processor as well, you'll need to get an AM2+ mobo, and just stick with your old stuff.
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a c 850 à CPUs
October 18, 2011 10:33:37 PM

AM2+ does not work with DDR3, only has DDR2 memory controller! AM3 CPU's have both DDR2 and DDR3 memory controllers therefore work in many AM2+ boards which are all DDR2!
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a b à CPUs
October 18, 2011 10:38:14 PM

Gigabyte lists the CPUs that are supported for each mobo model on it's website.
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a b à CPUs
October 18, 2011 10:39:41 PM

pentax9380 said:
The problem is that the 955 and up are AM3 CPUs, while the 940 is an AM2+. What I am wondering is if an AM2+ works in an AM3+ mobo.


A 940 will not work with DDR3. AM3+ is DDR3. I'm not sure how after reading literally THOUSANDS of articles you were unable to figure that out.
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October 18, 2011 10:43:34 PM

Last I checked AM2+ procs have BOTH DDR2 and DDR3 controllers, cause they will work in AM3 mobos.
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February 10, 2013 3:45:38 AM

old debate but ended with an incorrect answer i am currently running a phenom2 940 on an am3 mob...with 1600mhz ddr3 ram...i wanna know if the same will work on an am3+ board
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