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Thread: can't seem to get fsb to 250 with my new 2.6c and PC4000 ram




  1. #1

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    so i can't seem to get fsb above 233 with my new 2.6c, OCZ PC4000 and ASUS P4C800-E Deluxe. here's the scenario:

    (without agressive timings) i've elevated the voltage for both the ram and the cpu, but no matter what i do when i bring the FSB above 233 either it won't boot or i get errors in memtest.

    i've burned the system in at 233 without problems... but the whole reason i got the PC4000 ram was to run a 1ghz front side bus.

    anyone have something for me to try? -s

  2. #2
    Join Date
    Feb 2003
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  3. #3
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    There is no garrantee that you will be able to do it. Some processors just OC better then others, so its really just the luck of the draw. Even if someone else has done it with the exact same setup, doesnt mean you can do it. But it doesnt mean you cant keep trying!

  4. #4
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    Yeah I have a 2.4B here that most others will get around 3GHz out of but mine refuses to go past 2.71GHz no matter how much voltage I throw at it (ya have increased the core voltage havn't ya?) and do be sure that ya have the AGP/PCI buses locked at 66/33MHz.

  5. #5
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    Quote Originally Posted by Wiggo
    (ya have increased the core voltage havn't ya?)
    i've elevated the voltage for both the ram and the cpu,
    So I'd say he has ;)
    :cheers:

  6. #6

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    got a reply back from an OCZ tech with some configuration tips. since the OCZ PC4000 ram is supposed to run at least 250 fsb... if i can't get it up there they'll replace it or something. hopefully it isn't the cpu (though that's still under 15 day warranty) btw here's what he sent:

    Could you try the following settings and see if they work for you? If not, please try one module at a time and find out if one module is causing problem. Please update us as soon as you are done with your testing.

    AI Settings: Manual
    CPU External Frequency: 250
    DRAM frequency: DDR400 (1:1 ratio to set actual memory frequency to
    DDR500 based on CPU frequency)
    AGP/PCI frequency: 66/33
    CPU VCore voltage: 1.675
    DDR reference Voltage: 2.75
    Performance Mode: Auto

    Configure DRAM timing by SPD: disable
    CAS latency: 3
    DRAM RAS precharge: 4
    DRAM RAS# to CAS# delay: 4
    DRAM precharge delay: 8
    DRAM burst length: 8

  7. #7

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    took the cpu/mb/ram to a friends house who has his p4 2.4c clocked up to 3.2ghz. swapped the ram around and had no problems. swapped the cpus and *poof* couldn't go above 3.06ghz again. so it's unfortunately obvious now that i got a bad luck cpu that doesn't want to oc. damn. maybe i can ebay it, lose $20, and try again. oh well. anyone wanna trade? :P

  8. #8
    Join Date
    Jan 2003
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    790

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    well, nice try anyways. The 2.4C's are usually better O/c'ers than the 2.6's, so you might wanna try a 2.4 :shrug: . : peace2: Mista K6
    Modified Dell 8200 Case:
    -400MHz FSB i850 Intel mobo
    -P4 Williamette Socket 478, 1.9GHz
    -768MB 16-bit PC800 RDRAM
    -MSI GF4 Ti4200 128MB @ 284/581
    -7200 RPM Maxtors: 60GB (2MB) on mobo and 160GB (8MB) on ATA/133 PCI Card
    -Creative Inspire T7700 7.1 Speaker System on an Audigy 2
    -Windows XP Home Edition SP2

    Rock on : peace2: , MiStA K6

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