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Why is my memory "Single" and not "Dual"?

post #1 of 9
Thread Starter 
I could have sworn I placed my memory sticks in the proper slots for Dual Channel. You can check how they're placed in my sig picture. (motherboard is z77)

Also, here's a screenie of CPU-Z



Any insight or help would be greatly appreciated!!
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post #2 of 9
I'm not an expert..
But, maybe there is a setting in BIOS that needs to be changed?

Either way, I would open the case and double check the RAM slots.
 
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post #3 of 9
Thread Starter 
I checked the manual when I was building, and both 2x slots are supposed to be Dual.

I guess I'll have to change to the left side slot, see if that makes a difference.

How much of a performance boost does Dual give as opposed to Single?
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post #4 of 9
Quote:
Originally Posted by KungMartin90 View Post

How much of a performance boost does Dual give as opposed to Single?

Depends on what you use the computer for.
But, for gaming.. Not that much.

Still, there is free performance to be had. You should find the problem. wink.gif

Edit:
I'm not sure which slots you used, but it sounded like you placed both DIMMs in the same group.
Place the DIMMs in the right slot in both groups.

Like this. (marked in red)



If it doesn't help after doing so, try going into BIOs and load the "optimized settings".
Edited by Bloodcore - 3/16/13 at 7:22am
 
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post #5 of 9
Thread Starter 
Quote:
Originally Posted by Bloodcore View Post

Depends on what you use the computer for.
But, for gaming.. Not that much.

Still, there is free performance to be had. You should find the problem. wink.gif

Edit:
I'm not sure which slots you used, but it sounded like you placed both DIMMs in the same group.
Place the DIMMs in the right slot in both groups.

Like this. (marked in red)



If it doesn't help after doing so, try going into BIOs and load the "optimized settings".

Correct, I haven't inserted them like that. But I could have sworn the manual told me to place them right next to eachother for Dual Channel. I must have misread/misunderstood.
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post #6 of 9
Quote:
Originally Posted by KungMartin90 View Post

Correct, I haven't inserted them like that. But I could have sworn the manual told me to place them right next to eachother for Dual Channel. I must have misread/misunderstood.

You misunderstood good sir, all slots support dual channel but the configuration is something like this:

slot 1: Channel A slot 1
slot 2: Channel A slot 2
slot 3: Channel B slot 1
slot 4: Channel B slot 2

So in order to get actual dual channel you need 2 stick of ram, in channel A slot 1 and channel B slot 1.


Edit: fixed.

Also the slots you need to populate first tend to be the same color.
Edited by DMHernandez - 3/16/13 at 8:31am
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post #7 of 9
You should just be able to put the ram sticks into matching color coded slots for dual channel. Almost all mobos supporting dual channel memory have color coded slots. If not color coded, tthe slots should have a code above or below them clearly marking which slots go with which like the previous posters have stated.
post #8 of 9
Good to hear that we most likely found the issue, I'll keep checking the thread to see if it solved the problem. smile.gif

Good luck!
 
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post #9 of 9
Moved to Intel Memory section.
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