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Thread: Overclocking Limits




  1. #1
    Join Date
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    Default Overclocking Limits

    AMD Athlon 64 3400+
    GA-K8NNXP
    2x Corsair 1024MB DDR 400 Mhz
    ATI Radeon 9800 XT

    I'm just starting to learn about overclocking, and I was wondering if there is any way to tell if you've gone too far (other than your computer crashing). This is what I've got so far, and it seems to work.

    Multiplier: 11x (locked)
    HTT (What does that stand for?): 208 Mhz
    AGP: 66 Mhz (Can I raise this up?)
    Memory: 104 Mhz (Seems to have to be 1/2 of HTT, any way to change that?)
    Temperature: 35 C (idle) 40 C (full load)
    Voltage: 1.5 V

    I kicked the HTT up to 215 (which put the Mem at 107) and it seemed to work okay. I kicked it up to 220 and it immediately crashed.

  2. #2
    Join Date
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    Default Re: Overclocking Limits

    First off, Welcome to TweakTown

    Before we get started I have noticed that the motherboard you posted is s939 but the voltage you have speced out is for the stock s754 CPU's, Before we help you overclock I need to know if it is socket939 or socket754.(my motherboard is a GA-K8NSNXP so it is easy to leave out a letter and it can still be a valid model #)

    HTT is the same idea as FSB(just run abit diffrent hardware wise) dont worry about it a lot of people still call it FSB anyway. Secondly We need to get your memory running concurently with your HTT. To do this go into your bios and press Ctrl+F1 then select Advanced Chipset Options. You will see an option in there that says "max RAM clock" or somthing like that, select the Auto setting, if it is already on auto try 200.

    Dont worry about the AGP clock or AGP voltage it is not important at the moment.

    Once you have figured this all out... or are having problems feel free to ask us.

    Once again, welcome and good luck.
    My Current Rigs:
    Antec P180, OCZ Powerstream 520W, DFI nF4 SLI-DR Expert, AMD X2 4400 w/XP120(2.6GHz@1.45v), 2x1GB OCZ Platnium PC3200, BFG 7900GT@592/800(1.6), WD 250GB SATA, Maxtor 120GB IDE, LG DVD/CD Combo(black), Sony DRU-810 DL DVD Burner(black)
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  3. #3
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    Default Re: Overclocking Limits

    Thanks for the warm welcome. This looks like an awesome forum. Lotta smart people here.

    It's a s754, sorry, should have specified. I did what you said and the max ram clock was already on auto, so I set it to 200, but I haven't seen any changes in cpu-z. I should also note that the mobo's chipset is nforce3 150, which I hear itsn't the greatest for overclocking.

  4. #4
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    Default Re: Overclocking Limits

    Ummm no not realy, but try this...
    Before you overclock you need to know how to reset cmos(in case it does not want to boot due to a too high overclock), just follow your manual's instructions if you dont already know how.
    As for the overclock:
    First try:
    Set Mem clock to auto
    Set HTT to 210
    Set Vcore to 1.525 if that doesnt work try 1.55V
    leave Vdimm alone for this one...

    If the above works flawlessly(meaning that it is stable using a program like Folding At Home or Prime 95) go to try the configuration below, I remember hearing that the nForce3 150 boards dont have memory voltage adjustments or something, but see if you can anyway.

    Set Mem clock at auto
    Set the HTT to 220
    Set Vcore to 1.525 if that doesnt work try 1.55V
    Set Vdimm to 2.6V

    Note: These are very basic settings and there is a lot more to overclocking than these three or four things, but those are the basics and you want to play with those a bit before you touch anything else....

    WARNING!!!: Do not set the voltages any higher than I have told you in this post, if you do without a proper cooling solution you could perminatly damage your CPU and/or Motherboard as well as oter components. Also monitor your tempuratures... I dont let it get higher than 50 C personaly.
    My Current Rigs:
    Antec P180, OCZ Powerstream 520W, DFI nF4 SLI-DR Expert, AMD X2 4400 w/XP120(2.6GHz@1.45v), 2x1GB OCZ Platnium PC3200, BFG 7900GT@592/800(1.6), WD 250GB SATA, Maxtor 120GB IDE, LG DVD/CD Combo(black), Sony DRU-810 DL DVD Burner(black)
    3DMark01:25379, 3DMark03:19746
    3DMark05:9294, 3DMark06:5340

    Raidmax Cobra, Fortron PN-400W, ASUS A8N-E(nF4 Ultra), X2 3800 w/AMD heatpipe cooler, 2x 512MB Crucial Balistix, ATI X300, WD 250GB IDE, Samsung 16x DVD/RW

  5. #5
    Join Date
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    Default Re: Overclocking Limits

    Quote Originally Posted by Amd_Lover2004
    Ummm no not realy, but try this...
    Are you talking about the part where there are "lots of smart people here" or the part about nForce 3 150 motherboards being poor overclockers? The former could be seen as false but the latter is certainly true. I wouldn't try to get too far with an OCs on this, because it won't be stable. It's the PCI lock they lack (just like the K8T800), which is usually even worse than having insufficient voltage options.

  6. #6
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    Default Re: Overclocking Limits

    Quote Originally Posted by Yawgm0th
    Are you talking about the part where there are "lots of smart people here" or the part about nForce 3 150 motherboards being poor overclockers?
    There is no doubt that there are lots of smart people here, I was talking about the nForce 3 150 chipset of coarse.
    My Current Rigs:
    Antec P180, OCZ Powerstream 520W, DFI nF4 SLI-DR Expert, AMD X2 4400 w/XP120(2.6GHz@1.45v), 2x1GB OCZ Platnium PC3200, BFG 7900GT@592/800(1.6), WD 250GB SATA, Maxtor 120GB IDE, LG DVD/CD Combo(black), Sony DRU-810 DL DVD Burner(black)
    3DMark01:25379, 3DMark03:19746
    3DMark05:9294, 3DMark06:5340

    Raidmax Cobra, Fortron PN-400W, ASUS A8N-E(nF4 Ultra), X2 3800 w/AMD heatpipe cooler, 2x 512MB Crucial Balistix, ATI X300, WD 250GB IDE, Samsung 16x DVD/RW

  7. #7
    Join Date
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    Default Re: Overclocking Limits

    Well, it depends on the definition of the word lots, I guess. I'd concede that there used to be lots of smart people here, and now there are only a few. Hell, compared to the way this site used to be, there aren't even lots of any kind of people anymore...

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