So far it’s running stable… If I increase the vcore setting then the temp. goes up
I don’t think that you will need to bump up the vcore if you are running the cpu in spec. Not sure exactly what the tolerance limit is but 3-4% sounds reasonable. The temp will definitely go up as you increase the voltage.
Overclocking can lead to an unstable system so people bump up the core voltage (some over 1.8 volts!), then the temp goes up, and the system is even more unstable - their solution is better cooling with bigger hsf, or watercooling, etc.
Not sure if they still burn their chips in anymore…
temp. went from 45 deg. celsius to 48.5
mine varies from 42 to 52 under full load (ie prime 95 or DivX encoding).
pci and agp dividers… agp runs at 66mhz, pci at 33mhz at spec. Your processor at default uses as quad pumped 100mhz bus, so the motherboard divides the fsb by 2/3 and 1/3 for the agp and pci, respectively. When you overclock an intel processor, you can only do so by increasing the fsb (in my example, I’ve gone from 100 to 156 mhz). This will result in your agp and pci to be run out of spec. My motherboard supports locking the agp and pci at 66 and 33 mhz, so that is what I have done. Your board - the TH7 II from abit, has a 1/2 divider for agp and a 1/4 divider for pci - ideal for an increase in your fsb to 133. This will end up with an overclocked speed of 2.13 ghz. If your ram can handle it, then you’ve got an even sweeter system to play CS with.
You should check out www.overclockers.com and www.sharkyextreme.com/guides/hwGuides/article.php/1380951 as a start.
Hope that helps. I know that your original question wasn’t - how can I overclock my cpu? I just couldn’t pass up the opportunity to let you know about your cpu’s potential, since I have a similar setup. P4 1.6A @ 2.5 on ASUS P4B533E 512 MB Samsung DDR333 etc.