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Triple Channel Ram in Dual channel mobo?

post #1 of 10
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I'm wondering if I can use 2 of my ddr3 sticks, or all 3 in a dual channel mobo (like p55)

thanks
post #2 of 10
Two sticks (of a three stick triple channel kit) on a dual channel mobo should run just fine in dual channel mode.
    
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post #3 of 10
Quote:
Originally Posted by Morizuno View Post
I'm wondering if I can use 2 of my ddr3 sticks, or all 3 in a dual channel mobo (like p55)

thanks
you can use 2 of the sticks to run dual channel yes...
Edited by Adam23 - 1/4/11 at 7:52pm
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post #4 of 10
3rd stick could be used as a spare, in case one of the sticks you're using fails in the future. No RMA needed.
Edited by Diabolical999 - 1/4/11 at 7:53pm
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post #5 of 10
Or you could run all 6gb which would run in flex mode (on p55) which would make the 2x2gb run in dual channel and the other 2gb run in single.
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post #6 of 10
Quote:
Originally Posted by Stevinchy View Post
Or you could run all 6gb which would run in flex mode (on p55) which would make the 2x2gb run in dual channel and the other 2gb run in single.
For the OP, this has a little more info on Flex Mode (follows the Triple Channel portion):

http://www.intel.com/support/motherb.../cs-011965.htm

In the link above, it discusses using two sticks, one a 512MB, the other a 1GB, which is not the same as what you are asking about. The next link is to a thread over at XS, and in it they do discuss using 3 sticks so the use of 3 modules appears to also work in Flex Mode. The XS article references the 965 chipset, so this is a feature that has been available for several chipset generations.

http://www.xtremesystems.org/forums/...d.php?t=132361
Edited by Reefa_Madness - 1/5/11 at 7:23am
post #7 of 10
If you use three sticks it becomes Single Channel.
Triple Channel RAM is just regular RAM sticks.
Just like the name Turbo. One is a turbo but if you use two it's a Twin Turbo, but the turbo/RAM it self is just the way it when it was single.
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post #8 of 10
Quote:
Originally Posted by Ecchi-BANZAII!!! View Post
If you use three sticks it becomes Single Channel.
Triple Channel RAM is just regular RAM sticks.
Just like the name Turbo. One is a turbo but if you use two it's a Twin Turbo, but the turbo/RAM it self is just the way it when it was single.
I don't think that is quite correct. Please look at the link in my prior post and read the portion on Flex Mode, as first posted by Stevinchy.
post #9 of 10
If you have three identical sticks in a dual channel motherboard, two sticks will run in dual channel mode and the remaining stick will run in single channel mode.
post #10 of 10
Use ganged or linked, you can use all 6 GB with a '128 bit' bus (2 channels wide).
Even with unlinked/unganged, you can still use all 3, but you'll take a slight performance hit from interleaving.
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