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How far could I overclock my CPU? It is a Pentium 4 Willamette at 1.9GHz, and housed in a Dell Dimension 4400.
thanks
Yea i'm also thinking of overclocking mine. How far can i go with a P4 1.5 GHz, with an HP Pavilion 7955?
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I would say a 10% overclocking will be most reasonable for most processors. 10% is the best resulting and least dangerous. Of course 5% is even better for lesser performance but more stability. Anything over 10% may cause computer problems. Of course, do it at your own risk because the condition for every computer is different. I was able to overclock by 1.0 tbird by 40%. to 1.4g.
so...
1900 x 10% = 2090
1500 x 10% = 1650just for your information at 40%
1900 x 40% = 2660
1500 x 40% = 2100NOTE: IT IS DANGEROUS TO TRY 40% IN FACT DON'T EVEN TRY IT UNLESS YOU KNOW WHAT YOUR'RE DOING.
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I've heard that some brand-name computers lock the bios so that you can't overclock. That may be the case for the Dell or the HP. I'd be surprised if you could overclock a Willamette very much. On P4 Northwoods, I've been able to overclock up to 30-40% with little extra cooling, but you can't really tell until you try.
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I did read about someone overclocking their 1.8 GHz P4 Willamette up to 2.8 GHZ! It was in the General Hardware, I think. Since I have a 1.9, could I clock it up to, say 2.9 or even 3 GHz? (If Dell BIOS allows it?)
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Do you know how to access the BIOS in a Dimension? I ran some tests on my 1.6 P4 yesterday and it said it was capable of going up to 2.4. Now, I wouldn't risk going all the way up - just 10% as advised - but I'll be blowed if I can find how to alter the BIOS!
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Your not going to get 2.9 or 3 with the cpu you have. Even if you did have adequate cooling something else would bottleneck you say your video card or something. Alot of oem computers are oc friendly usually the hardware will fail. I have a 2.53@3.01. But too many people focus on the cpu clock speed I am not saying that doesn't help but you really should get some good ram say cosair xms and oc that. For example I could probably take this cpu to god knows what running 1:1 ratio but my ram will lock at 266mhz because that is what my board supports but running in 3:4 ratio puts my board which only supports 266mhz(ram) to almost 400mhz with my Pc3200 C2 ram
And she's a race car
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I clocked my 2 ghz northwood at 2.7 and my DDR 266 at 333 with All the latency setting set at their lowest value, AND
I have compiled my whole (gnu/linux) operating system myself FROM SCRATCH, I used the Intel C Compiler with the -xW option (for SSE2 in pentium4s)Now it runs at double the speed which it used to run without overclocking and using a binary only or precompiled OS like Windows.
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My cousin runs his willamette P4 1.7 @ 2.7 Ghz with water cooling. I run my P4 1.7ghz willamette @ 2.0 and I am thinking about overclocking some more.
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I don't know about any other motherboard. But I expect with most modern motherboard it is almost impossible to burn the CPU by overclocking. As for me I tried my 1000 at 1400 and it ran stable. Then I got boerd and since I was getting a new computer I decided to overclock it to 2000 and the computer never booted. I reset the BIOS and there it goes running again. Nothing burned the computer simply won't boot.
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C, (Response 9) are you saying that my CPU has the capability of going up to 2.9 or 3 GHz, but the video card will make it seem slower? (vid card-GeForce 4 MX) If I overclocked my video card, would I be able to obtain this level of performance? Or are you saying I can't reach 3GHz, period?
Thanks for all the responses!
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Dell & HP/Compaqs don't have the "conventional" BIOS that most of us are used to...chances are, you won't have the necessary settings available for you to overclock.
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On my HP pc. I'm able to go into the CPU mulitiplier and change the value up to 24x. Currently i just have it on the default(8x)
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I am saying its not likely. They have a good step but to go that high you would need extreme cooling and most likely a volt mod. and then its not guaranteed. Here's the thing though. I'm not saying processor speed doesn't matter but a mobo running a FSB of 133 @ 2.8ghz; Imo won't be as fast as a comp running a fsb or say 155 2.4@2.8ghz.....anyways you see what I mean the fsb is what you want to oc not the cpu. And insect what I meant is that even if you cpu will overclock to a certain speed your other hardware can bottom out. For example I have an Abit IT7 max 2 mobo w/ onboard sound 5.1, but I had to get rid of it and replace it with the SB Extigy because the sound would cut out because it runs off the pci bus which you can set to only run at a certain speed but that was a lesson learned. LOL
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With all of the disadvantages I'm hearing with overclocking 1.9 to 3, I guess I'm going to stick to 2.4 GHz, or lower if 2.4 would cause problems. Is that a good choice?
Insect
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i still don't think that you should overclock your 1.9Ghz @ 2.4Ghz that is asking 500Mhz. Try 2.2Ghz or 2.3Ghz. That shoudln't be a problem and you don't even require extra cooling. And if the temps. don't go high and are reasonable then try overclocking some more until you reach too high temps. Hope this helps. I was just wondering, why did you wanted to reach 3Ghz, just so you can tell people that you have a 3Ghz CPU and the price of it is $700.00 (no offense, just curious)
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Overclocker, thanks for the information. Looks like I'll go to 2.3 GHz. How did you guess that part of it was bragging rights?? ("Hey man, I've got a $700 3 GHz processor and you don't. HA HA HA!")
Thanks again!
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AND YOU CANT OVERCLOCK A HP.
they use intel mother boards and if you look on google youll never find any updated bios
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Hay, Mr. son goten person "response 16" you say your multipliers are not locked? Lets see a pic. of it with the multiplier at 24 yousing wcpuid.
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Let's see what the wattage (heat disicpations) will be to run P4 1.7 to 3 ghz, dreaming that the processor would go for it.
1.7 to 3.0 is 77% increase
Based Wattage for 1.7 approximately\= 65 WattsSo, the wattage is now= 65 x 177% = 115 watts
Assuming you only increase 20% of Vcore (mission impossible)and assumption voltage increase is linear to speed (not true).
Now, the wattage from Vcore increase = 120% of 115 Watts = 138 Watts.
Ok, go get a power supply and cooler that will handle 138 watts just for the CPU and a cooler that will keep the 138- heat under control. Try holding a 100Watt light bulb on your hand, tell how good you feel.
HP, Compaq, Gateway systems will never allow / provide MB that permits overclock. 1st warranty, 2nd no one will buy the high end products.
Besides, if you have the department store PC, you should stay away from overclocking. Be happy with what you have.
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