Originally Posted by cxr_azy
Alrighty, I have an:
ASRock 939NF4G-SATA2 Socket 939 NVIDIA GeForce 6100 Micro ATX
and an Athlon 64 3700+ San Diego.
It comes with a stock 2.2 Ghz. I was wondering if I could bump this up to maybe a 2.4 or a 2.6 on stock cooling?
I tried to change the FSB and multiplier in the BIOS but it didnt seem to work...
Any help would be very much appreciated!
Well, if you tried to raise the multiplier, it won't work. All Athlon64's are upward locked for the multi's. You can lower them below their stock setting, but not raise them. I believe thet board is capable of using a memory divider, so I would start by setting the memory divider to maybe a 166, and raising the FSB gradually on the CPU.. This keeps you from overclocking your memory at the same time you're overclocking your CPU. After playing with that and seeing what is stable, when you reach the point of instability, try raising your vCore the next notch higher than stock, maybe .025 or .05 volts over stock. I wouldn't try too much more than that with stock cooling, but it may give enough extra voltage to the chip to hold a slightly higher overclock.
Don't worry if during this your memory is actually running slower than it's rated DDR400 speeds. At this point you're only checking what your CPU is capable of.. it removes the memory from being a part ofthe stability equasion that way. Once you have an idea of where the chip may overclock to at a stable rate, then try changing the memory divider to raise the actual MHz on the memory up to the stock speed, and maybe a little above.
There are some great overclocking guides available, especially in the forum stickies. In addition, do a google search for 'Quick and Dirty Overclock' for another very good beginners guide to overclocking.
Some utilities you will want to download include:
1 ) CPUZ version 1.33
2 ) SP2004
( a utility to stress the CPU, it will test stability )
3 ) OCCT
( another CPU stress testing utility )
This should put you on your way. Good luck