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Thread: VCore / Dimm Voltages




  1. #1
    Join Date
    Dec 2002
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    I know, this is another noob lookin fro advice, but humor me, plz.

    I OC'd my AMD Tbred 2600 to 2200HMZ by changin Multiplier to 11 and FSB to 200.

    For stability, took some advice from here and put the Vcore to 1.750 and the Dimm to 2.77 (It goes up in increments of .12 - Wierd)

    My first question is. To increase speed, I can put the FSB up by increments of 1mhz (Also increasing my Ram mhz)

    Should I increase that slowly, or just keep bumping my multi up by .5? Plus, what voltages should I use for 11.5, 12, 12.5 etc?

    Second question. Since my Dimm volt goes up by wierd increments, what is the max Voltage/ stable voltage to set to me Ram? (The max of the board being 2.90)

    If you can answer any of those, would be much appreciated.
    Thx. :cheers:
    ~AlthonXP T-Bred 2,600 @ 2305mhz~
    ~Epox 8RDA+~
    ~Hercules Radeon 9800XT 256mb~
    ~512 Corsair P3200 @ 6,2,2,2.0~
    ~WD1200JB HDD~
    ~Antec 1080 Plus~

  2. #2
    Join Date
    Nov 2001
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    Bump the FSB a little further and I doubt that ya'll fry the memory with that voltage with good case airflow.

  3. #3
    Join Date
    Dec 2002
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    I've got my my CPU OC worked out.
    Multi = 11.5
    FSB = 200.5
    Core Speed = 2305MHZ

    Now, with my GF3. I've got it OC'd to 240/520. Any higher and I get artifacts.

    Would boosting the AGP Voltage from 1.5 to 1.6, 1.7 or even 1.8 allow me to increase the core and mem speeds?
    If so, what would be a good increase? eg V 1.7 260/540.

    Thx

    btw - I took your advice wiggo, but with 203mhz (higher and no boot) I can only get 2233. and with 203 x 11.5, its unstabe.
    ~AlthonXP T-Bred 2,600 @ 2305mhz~
    ~Epox 8RDA+~
    ~Hercules Radeon 9800XT 256mb~
    ~512 Corsair P3200 @ 6,2,2,2.0~
    ~WD1200JB HDD~
    ~Antec 1080 Plus~

  4. #4
    Join Date
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    The AGP voltage won't really help ya especially if ya have the AGP bus locked at 66Mhz. Ya CPU settings are the same as mine at 1.75v 11.5 x 200 but then i can raise the FSB to 220MHz when I want (I just don't like to run it 24/7 under full load with the V7+ on full speed at that setting) but I'm runnin' XMS3500. Is that Corsair memory of your's the Value Select or XMS version and can ya get a higher FSB at 11? Also have ya tried the memory voltage at the next step up? :?:

  5. #5
    Join Date
    Dec 2002
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    I'd keep goin up FSB, but any increase and 2001se Freezes, so its not too stable. Plus, If I go past 203mhz, the ram speeds go up a notch due to the "Auto" settings. When that happens, I can't even start my box.

    My only attempt was 11 x 210mhz. Didn't start till I reset BIOS.

    The rams XMS. And I was a bit warery when uppin the voltage again. I'm too sure about when settings will fry the ram, given its around a yr old.

    If I put the voltage up to around 2.8 (2.88 on my BIOS). I could probably get it upto 210mhz. But like you, I dont really want to be runnin my box at its full capacity all the time.

    These settings wont be changed too often, and I dont want to burn anything out in a high-intensity game. I got around 600 more points out of the CPU OC. I'm not sure if thats any good given it was bumped up atleast 200mhz?

    I do have a problem atm though. When I run the stress test Prime95, I get "Possible Hardware Failure". Know what thats about?
    ~AlthonXP T-Bred 2,600 @ 2305mhz~
    ~Epox 8RDA+~
    ~Hercules Radeon 9800XT 256mb~
    ~512 Corsair P3200 @ 6,2,2,2.0~
    ~WD1200JB HDD~
    ~Antec 1080 Plus~

  6. #6
    Join Date
    Nov 2001
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    It's likely then that ya've found the limits of the CPU as 210MHz should be fine with that memory. I couldn't say what the "Possible Hardware Failure" error is but then that maybe an error thrown by the CPU and if stablity proves to be not that great at 11.5 x 200 then ya may have to back down to 11 x 200.

  7. #7

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    For stability, took some advice from here and put the Vcore to 1.750 and the Dimm to 2.77 (It goes up in increments of .12 - Wierd)
    why would u put yur memory voltage up when yur running it at stock speeds? it should be stable at 2.63v

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