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Help- hyperx kingston , see post
Pete Rynas wrote:
looks like you got it right again , ( the tech at kingston did say this ram was for overclockers - probably the reason for it showing up as you said at pc5300) - now that i have followed your suggestions and do show in "memory" of CPU-Z of 422.5 ( X2 = 845 mhz) so it looks like i have (you) have succesfully overclocked this memory as it is intented to do and i have learned from you again ! i wonder how far and to what advantage i should take it and the processor? thanks again pete Some DDR2 RAM chips have shown remarkable overclock ability. Whether you get to see that or not, really depends on the testing procedure used by the module manufacturer. If the chips on your module had been capable of running at DDR2-1066, they likely would have put the module in a different bin, and charged a different price for it. Part of the essence of overclocking, is seeing what you can get for free. For example, when I do it, I check for the peak, and then I back off a notch or two, so there will be stable day to day operation. One reason for backing off a bit, is performance is temperature sensitive, and I find when my computing room gets hot, sometimes the peak overclock shifts too. So I turn it down a bit, so I don't have to worry about what happens on a summer's day. I don't keep the air conditioning on all the time, so there is some temperature variation during the day. As for overclocking processors, some have an abrupt "wall" and won't go past a certain point. My Northwood is like that, and I find that bumping Vcore doesn't help past a certain frequency point. The Northwood also has a "drop dead" voltage, and I stay well away from there. Other processors have a more gradual pattern, so the more voltage you apply, the further they go. In the case of the 45nm Intel processors, it is easy to apply enough voltage to damage the processor. If you own a 45nm processor, check the enthusiast sites, to see what voltage value is safe. Some people have already learned that the hard way (burnt out a processor overnight while it is overvolted). I've also noticed certain processor families exhibit the symptoms of electromigration, and if the CPU overclock limit shifts in a gradual downward direction with time, electromigration could be the reason. The staff at the silicon fab, try to ensure a processor family has enough headroom so that electromigration isn't a problem at normal frequencies. There should be many MHz of additional room, before it becomes an issue. But I've still seen product families, where the evidence points towards a problem. Again, visiting the enthusiast sites, and reading thousands of posts about overclocking results, can hint at the possibility of long term reliability issues. http://en.wikipedia.org/wiki/Electromigration Paul |
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