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Thread: Biostar 790GX overclocking like poo

  1. 02-07-2009, 10:55 AM #1
    iandh
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    Biostar 790GX overclocking like poo

    This board has the "support deneb" bios but I'm not sure whether it is the latest.

    I had no trouble getting my PII 940BE to 3.7 with a slight bump in CPU frequency and multi change.

    I picked up a PII 920, and can't boot over 231 for CPU frequency, no matter what. Even if I max out the NB/HT voltages, and drop ram divider, still no boot. The chip will run stable at 1.2v vcore @ 3.2Ghz so I think I have a good chip and this is solely board related.

    I've seen other folks hitting 270-280 on these boards.

    Any suggestions? Being stuck at 3.2 because of my board = suck
    Asus G73- i7-740QM, Mobility 5870, 6Gb DDR3-1333, OCZ Vertex II 90Gb
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  2. 02-07-2009, 11:33 AM #2
    G0ldBr1ck
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    The 920 likes allot of voltage on the NB for higher than 2100 clocks. Also the HTlink needs to stay below 2000 or even 1800 for best results with 920.
    Particle's First Rule of Online Technical Discussion:
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  3. 02-19-2009, 10:57 PM #3
    verndewd
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    I'd be interested in a phenom oc guide if there are any.
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  4. 02-20-2009, 02:23 AM #4
    JWilson
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    Did you set the Internal Graphics mode to "UMA" so that the Sideport memory isn't overclocked also?

    Google "Rebels Haven" and your board model. You'll be suprised!
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  5. 02-20-2009, 03:01 AM #5
    Macadamia
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    Can you drop the NB multiplier instead?
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  6. 02-20-2009, 09:02 AM #6
    satansangel114
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    try setting the internal Graphics Mode to UMA, and drop the HT multi

    guide
    http://www.rebelshavenforum.com/sis-...&f=45&t=000148
    Last edited by satansangel114; 02-20-2009 at 09:05 AM.
    CPU:..................AMD Phenom II x4 940BE @ 3.7ghz [201x18.5]@1.472v and growing
    COOLER:............Sunbeam core-contact Freezer
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    MEM:.................8GB Gskill pc8500@ 1072mhz [5,5,5,15,23,2t]@2.1v
    GPU:..................2x Visiontek Hd4850s Xfire @500/775@1.056V 2D - 810/1100@1.351v 3D +accelero S1
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