Noob to P4 o/c ? about vcore and temps.

[Elvis2]

How high may I "safely" go with the vcore on my 2.53B "northy" and at what temps should I start get concerned?

Thanks 🙂

Btw, this is with the stock retail hsf.

 

[NewSc2]

what mobo?

vcore should be less than 1.7v to be on the safe side, but a few people around here run theirs at 1.72v-1.75v. Full load temps around 55C should be fine, anything above that and you might wanna invest in a new hsf (if you get to that hot)

Using stock retail fan for 2.0A i hit 2.75ghz @ 1.63v, 51C... but when i switched to my Alpha PAL 8942 my o/c is still the same, and my load temps are slightly higher at 53C (i'm using a quiet panaflo fan)

 

[Elvis2]

I'm going to be using a new Gigabyte 8SG677 (sis 648 chipset) mb w/512mg stick of Corsair XMS3200c2 ram.

 

[Mickey21]

If you are going to get anything serious with overclocking, you might want to stray from the SIS648 chipsets then. I too looked into buying SIS648's, but after seeing all the posts and reviews from the boards, I have found that as a whole, 648 chipsets just dont overclock that much, maybe as high as 150FSB. I think you might want to check out some of the Abit 845E chipset boards. After lots of looking, I am now going to order an Abit IT7-Max2 board. A little pricier at 182 (on pricewatch.com), but I have heard of some godly overclocks on these boards, even up to 170FSB+. And on my watercooled 1.8, that would net me a 3060Mhz. Which I would not shy away from. I have also heard the IT7 has good results as well if you want to save a little more money. Or at least the Abit BD7-II RAID. Good luck in your endeavors, I too will be posting my results when I get my board in, which should be no later than next weekend...

 

[Mickey21]

Oh, and I almost forgot, to answer your question. Keep your temps under 60 degrees Celcius, and your vcore can go up to 1.72 fairly safely. From Intel, they say that it is safe to go up to 1.7, but after you put any type of draw on it, you will notice in your BIOS will report somewhere between 1.67 to 1.7, depending on your motherboard of course. You are going to want to check out how much your board looses in voltage when actually running, pending your motherboard even tells you, in which case you will have to wait till windows boots and then run some util to check. Yet, in some cases, moving your voltage up higher than 1.6ish does not yeild a higher overclock at all, so in any case, whenever you see what your processor can do, run at the lowest voltage necessary to maintain stability. No sense in over working it. And take your overclocking trials slowly. Dont rush through with crazy overclocks in an effort to find your max fast. I have also heard that some Memory modules/chip/motherboard combinations take a little bit of time for burn in, before they are actually gonna give their best results, which is always a good thing....