Do you have some kind of "boost" feature enabled on your mobo? I do not allow my motherboard to control my proc speed, this will also hinder your overclock. First and foremost I would make sure in bios that this "boost" feature is disabled, meaning, 3.4ghz MEANS 3.4ghz at ALL times. I would also make sure your fan is at 100% at all times. I would look into an aftermarket fan, I use a arctic freezer pro 7 on my q6600. Secondly, CRANK IT UP. Stay below 65.
I downloaded realtemp am iI supposed to set TJ MAX as 72 degrees? or am I supposed to keep settings the way they are? because when I change it to 72 it looks says my temperature is at like 11 degrees..
+1 for ^. Real temp(or hwmonitor), prime95 and memtest86.
Set everything manually. DO NOT use auto controls for voltages or frequency. Those settings on auto will ramp up with your FSB.
the pcie frequecy, on auto will go up a proportional amount. This could damage your pcie channel or the vid card. Set the pcie freq to 100.
Set the DDR2 freq to a ratio that will result in 800.
CPU or DDR2 voltage could get very high on auto. Manually set them to recommended voltages for your components. The CPU voltage may need to be increased for your OC. Read the OC tutorial for voltages an temps. Most 45nm core 2 duos can run safely up to 1.34v. READ TUTORIALS shadow mentioned. I run my e7200 at 1.32v @ 400Mhz x9.5 = 3.8Ghz. Stable now for over 6 months. If you are crashing during load or prime95 you may need to bump up your cpuv. Start at stock ~1.28v.
set performance enhance to standard.
Enable CPU host clock control and use it to OC the fsb. That is the safest way to OC. IMHO.