FSB Limits with Asus A7N8X deluxe v1.03 ???

Discussion in 'Asus' started by Stephan Huber, Oct 24, 2003.

  1. Hello!

    My configuration is:
    Asus A7N8X deluxe v1.03
    2xInfineon PC2700 DDR cl 2,5 (166MHz)
    AMD Barton XP 2500x

    The maximum FSB I get is 191MHz (* 11 = 2101 MHz at 1,75V).
    I'm wondering if the memory or the mainboard is the bottleneck???
    Both have their official limit at 166 MHz.

    Any idea?

    Stephan Huber, Oct 24, 2003
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  2. Stephan Huber

    Ben Pope Guest

    Don't run them in synch and see if you can get either above that value.

    It's kind of academic anyway... you're unlikely to get much further with a
    1.03 and running RAM and FSB out of synch usually has no gain in

    To be honest you have one of the oldest boards there, most retail boards
    started at 1.04.

    Ben Pope, Oct 24, 2003
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  3. Stephan Huber

    Minotaur Guest

    That's a pretty good overclock for that motherboard revision.
    The CPU is more than capable, perhaps it is you're RAM?
    Tried increasing the voltage up to 2.7 on the RAM?
    1.75VCore I would guess would be enough for the CPU, I used that here
    for 2200MHz on this Barton XP-2500.
    Bottleneck for the motherboard won't kick in until apx 198FSB, from
    BIOS 1003 onwards they retarded FSB performance for 200FSB
    compatibility. I would try for 195-197FSB with he above mentioned
    settings. Other than that, not knowing you're memory well off hand, you
    should investigate what other slower timings are good for it @ 200FSB.
    Lastly, keep RAM @ 100% always...

    Good luck


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    Minotaur, Oct 25, 2003
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