In my attempts to get the best performance at the lowest temps I ran into something strange. At 900 Mhz, 100 FSB X9, 1.775V core I get temps of something like 41-48, 43 while surfing the web. I swithched to 910 Mhz, 107 FSB X8.5, 1.775V core and get temps 37-48, 39 while surfing. Also, temp seems to come down from the peak much quicker.
Can someone explain why 900 Mhz and 910 Mhz would have drastically different temperature ranges? It's not ambient case temperatures because my computer has been on for 36 hours at 910 Mhz.
I don't understand it but I like it.
Next, I'm going to try 107 X 9 = 963. I'm looking for the highest speed I can get while keeping temps below 50 at all times.
I have a 700 at 933. I droped my voltage from 1.7 to 1.65 volts and overheated it! Mine runs between 47 and 49 degrees, but droping the voltage increased it to 55 degrees initially and then it froze and would not reboot until cooled!
I'm sorry. It's a Duron 600 that is guaranteed to run at 1000 Mhz (within 4%)and it does so when I leave the case open. When I close the case the processor runs too hot and has problems. This processor just doesn't like temps over 54 even with the core voltage all the way up.
I've been running it under 1000 Mhz and trying to find the fastest speed that I can get. At 900 Mhz the temp stays at or below 48. At 950 it creeps to 52 but I think it will crash under intense gaming. As I posted earlier, it is strange that it seems to run cooler at 910 Mhz, 107 FSB X 8.5 than it does at 900 Mhz, 100 FSB X 9. The faster FSB increases general system performance as well. If I get to 963 Mhz, 107 X 9 then I will have reached the vendor's guarantee and I will be happy.
Unfortunately, you generally have to increase the core voltage, when you overclock, to make the system stable. This increases the power consumed by the CPU and raises temperatures. I have no idea why a CPU would overheat by "undervolting" it.