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How to configure 2 sets of dual channel memory? (Gigabyte mobo)

Pretty simple question, just I'm a bit confused.

I'm installing two sets of dual channel memory (G.Skill F3-10666CL9D-8GBRL) into my motherboard (Gigabyte GA-Z68X-UD3H-B3). In the instruction manual that came with the mobo the physical layout is:

Quote:
DDR3_4, DDR3_2 || DDR3_3, DDR3_1


And the channels, similarly, are billed as:

Quote:
Channel A: DDR3_2, DDR3_4
Channel B: DDR3_1, DDR3_3


BUT if a user is installing dual channel memory it suggests installing the pair into either: 3_2/3_1 (or 3_4/3_3).


My question is, which sets of slots should I use for each pair I have? Do I install them one pair per channel (one set to Channel A and one set to Channel B)? Or do I install pairs across channels (each as an AB channel setup — one set to 3_2/3_1 and one set to 3_4/3_3)?
5 answers Last reply Best Answer
More about configure sets dual channel memory gigabyte mobo
  1. I would just run the matched pairs in each set of slots that are next to each other. They are separated by a wider space. Gigabyte should have made them color coded, but I guess it didn't match the rest of the board's color scheme.
  2. If the i/o bracket is the back of the board and the ATX connector is the front then the order from back to front on your ram slots is

    3-4
    3-2
    3-3
    3-1

    k114 has the answer you're looking for I think.
  3. Best answer
    Well you have 4 identical sticks so actually it doesn't matter in your case.

    But the manual is saying 1+2 is one pair and 3+4 is the other pair. To utilize both channels ie dual channel you want a stick in both channels; A and B. Channel A is 2+4 and channel B is 1+3. Weird numbering system gigabyte has going on usually its 1-2-3-4. But it's the same as the other z68 mobos that are color coated. http://www.newegg.com/Product/ProductList.aspx?Submit=ENE&N=100006519%2050001314%2040000280%20600158412&IsNodeId=1&name=Intel%20Z68 One pair in the white slots, the other pair in the blue slots.
  4. k1114 said:
    To utilize both channels ie dual channel you want a stick in both channels; A and B.


    Ah! That makes so much sense. ::facepalm:: And the colored mobo was also really helpful. Thanks so much!

    Also, I have to say your Hobbes avatar really accentuates the advice you give.
  5. Best answer selected by BobToe.
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