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Stock Cooler Overclocking (AMD & Intel)
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PCcrazy
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 Jan 15 2006, 12:44 AM
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QUOTE(CoffeeDude @ Jan 14 2006, 11:34 PM) I'm not sure if this has been asked before, but here goes. How far can you overclock (in terms of % / Mhz) an A64 (venice) on stock cooling?ie. no aftermarket coolers, no ramsinks, only stock fan. Appreciate if someone can post some actual results. In my case 3200+ on stock cooling will do 2.55 GHz 1.55v prime stable. But whenever I increase the vcore, let's say 1.65v, my proc will only do 2.5GHz. Strange? Not really. Whenever you increase vcore, heat goes up. Because of that overclocking capability is seriously degraded. So I have to find a sweet spot between maximising clock speed and vcore. As you see, there is no way to get a maximum potential on stock cooling. Therefore it's advisable that you consider something better. |
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PCcrazy
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Jan 15 2006, 01:15 AM
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QUOTE(SeLrAhC @ Jan 15 2006, 01:03 AM) ermm... mayb around 30% extra wif stock? add a ninja n u can do 50< Let's consider A64venice. As we know it is based on the same core whatever the rating given, 3200+ or 3500+. So basically what happen is, when you overclock most of the time both will reach a typical peak value. So you can't say for 3200+ overclocks less than 3500+. If both are good batch procs they will hit exactly the same peak limit let's say 2.9 GHz. So in terms of percentage 3200+ is better than 3500+. To me, percentage is not a good way of making a distinction between both procs. |
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PCcrazy
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Jan 15 2006, 06:07 PM
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QUOTE(CoffeeDude @ Jan 15 2006, 03:08 PM) soulfly, good idea. But as I'm a noob in this area, can someone help to maintain the statistics? We will assist you in maintaining the stats by giving opinions and suggestions. Well, you can always refer to AMD64 OC database for statistics format. |
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PCcrazy
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Jan 25 2006, 06:51 PM
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QUOTE(kanethesun @ Jan 25 2006, 06:47 PM) ohh, will disable later. newbieockids do you know what is the negative effetcs if enable CnQ and OC? Satability, reliability and potential overclock seriously degraded. |
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PCcrazy
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Jan 25 2006, 07:55 PM
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QUOTE(newbieockids @ Jan 25 2006, 06:53 PM) if u enable the CnQ.. the fan will spin in lower rpm(quite mode).. thats why it is not recommended whenever u oc the procs.. assuming that u've raised the vcore, so the procs temp going high but ur fan still running at lower speed with CnQ enable.. Not really, if you enabled the CnQ, only the multiplier will change. It has got nothing to do with the fan. The fan can be set manually by you. At idle load, multi x5 is activated and at full load it will return to the multi that you have previously set in BIOS. Mind you it's only recommended if your system is not stable. In my case running CnQ even at 270 HTT is completely stable. So I can overclock my system at the same time saving the electricity.  This post has been edited by PCcrazy: Jan 25 2006, 08:09 PM |
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PCcrazy
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Jan 26 2006, 02:59 AM
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QUOTE(newbieockids @ Jan 25 2006, 11:52 PM) ic.. dunno either it is coincidence or not, coz last time when i enable the CnQ to see what happen while in 280HTT, the fan wouldnt surpass 3000rpm at full load.. beside, from the name itself, i assume the processor running "Cool"-->lower temp == lower volt(power consumption) 'n' "Quite"-->lower rpm fan == noiseless..  thanx for correcting me bro..  neway, im wonderring how does it saving the electricity as u said?.. by stabilize the multi so the HT will running in stable?..  Nope, I see that you are getting confused over here my friend. When idling, not only the multi will dropped, vcore will dropped as well. Say that at full load setup gives a reading of 2.6 GHz @ 1.6v, at idle because of dropping the multi and vcore your new reading would be 1.2 GHz @ 1.2v. |
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PCcrazy
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Jan 26 2006, 09:05 PM
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QUOTE(newbieockids @ Jan 26 2006, 01:42 PM) a big probably not i may say coz its designed for the procs.. neway its too risk for the procs with CnQ enable when the Vcore drop, but the Vdimm stand still.. so its always better to disable the CnQ.. correct me if im wrong guyz.. Provided the vdimm is not at SPD default, then I would say don't take a chance. Hey, we are overclockers, CnQ? What's that anyway. |
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PCcrazy
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Feb 4 2006, 12:05 PM
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QUOTE(empire23 @ Feb 4 2006, 10:46 AM) i used to be doing 250 fsb @ 2750 mhz with 1.69v for my dual core. Damn thing could only go 1 core 24 prime stable. Temps usually hit around 70+ and that was with air conditioning Furthermore stock heatsink fan for dual core is as good as xp-90. At least that is what I conclude from reviews. If I'm not mistaken, the article review for stock HSF can be found at BleedingEdge. |
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