A7N8X Deluxe Dual Channel memory?

Discussion in 'Asus' started by Ric, Oct 31, 2003.

  1. Ric

    Ric Guest

    I just bought a second stick of RAM and installed per the manual such that
    the 2 sticks are in the 2 rightmost slots (2 & 3, both blue). I did a SiSoft
    Sandra memory bandwidth test and was underwhelmed by the ~1830 MB/s score.
    Then I thought maybe there was a misprint in the manual and they meant that
    one stick has to be in slot 1 (the leftmost, black one) to enable dual
    channel. So I switched the stick from slot 3 to slot 1 and benchmarked
    again. ~1730 MB/s. Is the advantage of dual channel really that meagre or is
    there something else I need to do to activate it?

    Ric, Oct 31, 2003
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  2. Ric

    Ben Pope Guest

    Both of those setups are Dual Channel.

    What speed you running your RAM at and is that Synch with the FSB?

    I get 2431/2301 at 166MHz, which looks to me like you're running 133MHz.

    My timings are 5-2-2-2.

    Ben Pope, Oct 31, 2003
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  3. Ric

    Doug Ramage Guest

    Currently, Sandra states 2656/2537 at 180Mhz, running in sync with FSB.
    IIRC, dual channel gives me about an extra 5%. Timings are 8-3-3-2.5.
    Doug Ramage, Oct 31, 2003
  4. Ric

    Ben Pope Guest

    The manual states (in a roundabout way), that you need a Dimm in slot 3, and
    any other Dimm slot populated.

    Both configurations you mentioned should be Dual Channel.
    Seems low. Try it at 7.
    What about Cas Latency?

    Ben Pope, Oct 31, 2003
  5. Ric

    Ric Guest

    I did. Doesn't help.
    TRAS is 3, everything else is 2.
    Ric, Oct 31, 2003
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