Core 2 Quad Overclock Help!
Core 2 Quad Overclock Help!
Hello everyone!
It's 2017! The time has come to boost our hardware from 2008!
I own a Core 2 Quad Q6600 running at 2.4Ghz, and I'm eager to push it further. Just need to check if I have sufficient power and my motherboard can handle it.
Details:
CPU: Intel Core 2 Quad Q6600 @ 2.4Ghz
RAM: Kingston DDR3 @ 1333Mhz
Motherboard: GigaByte G41M-Combo Intel With G41 Chipset (brand new)
Graphics Card: Radeon R7 360 @ 2GB GDDR5, factory overclocked
Power Supply: Zalman ZM400LE @ 400 Watts (brand new)
This approach is quite straightforward given the G41 chipset's FSB cap around 340MHz, limiting significant overclocking potential.
Adjust the BIOS settings to set the FSB to 333MHz for a target speed of 3.0GHz.
Launch Windows and execute IntelBurnTest. If it doesn't succeed, slightly increase vCore until it passes ten Standard runs—likely only about +0.05v needed.
Ensure DDR3 remains locked at its specified 1333MHz; this maximizes bandwidth without overloading the FSB.
Prioritize minimizing memory timings while maintaining reasonable voltages.
Test stability using a 24-hour Prime95 stress test.
Do not consider boosting the FSB beyond roughly 7MHz, as it would become a limiting factor.
If your PSU is managing everything, an overclock of the CPU shouldn't affect performance. The motherboard isn't too powerful, but it supports dual BIOS for easy restarts. You might also consider software that tracks temperatures, not just the CPU, but possibly the chipset as well.
This approach is quite straightforward given the G41 chipset's FSB cap of roughly 340MHz, limiting significant overclocking potential. Simply adjust the BIOS settings to set the FSB to 333MHz for a target speed of 3.0GHz. After launching Windows and executing IntelBurnTest, if the test fails, slightly increase vCore until it successfully completes all 10 Standard runs—this might only need a minor adjustment of about +0.05v. Ensure DDR3 remains locked at its specified 1333MHz to avoid bottlenecks; prioritize optimizing memory timings while maintaining reasonable voltages. Test stability over a full day using Prime95. Avoid pushing the FSB beyond around 7MHz, as it would demand a higher MCH voltage with minimal benefit. The board supports only 4-phase power, and at 3.0GHz it draws approximately 120W.
BFG-9000 :
The setup is quite straightforward given the G41 chipset's FSB cap around 340MHz, so significant overclocking isn't feasible. Simply adjust the BIOS settings to set the FSB to 333MHz for a target speed of 3.0GHz. Launch Windows and execute IntelBurnTest. If it doesn't succeed, slightly increase vCore until it passes ten Standard runs—likely only needing about +0.05v. Ensure DDR3 remains locked at its specified 1333MHz; exceeding this will limit performance since the FSB can't handle more bandwidth. Concentrate on optimizing memory timings while maintaining reasonable voltages. Test stability over a full day using Prime95. Avoid pushing the FSB beyond roughly 7MHz, as that would necessitate higher MCH voltage with minimal benefit. The board supports only 4-phase power, and at 3.0GHz it draws around 120w. This configuration performed flawlessly for me—current maximum temperature stays under 70°C, and the results were reliable! Thanks both of you for your assistance.
Dudio:
The 24 Hour Prime95 Torture Test could be quite intense, but overall it offers solid guidance. I've experienced errors more than once after exceeding 20 hours, so I wouldn't advise it unless necessary. A 4-hour overnight session usually uncovers most issues and confirms stable performance comparable to stock speeds. At least this duration ensures a thorough check.
Overclocking memory is generally not my preference due to its inconsistency. Even a stable 24-hour Prime95 run doesn’t guarantee a successful cold boot, which has forced me to adjust MCH and RAM voltages for reliability. Memtest86+ passing overnight doesn’t confirm Windows will boot at all.
I also avoid running IntelBurnTest frequently, as it can permanently harm the chip. After finalizing settings, I limit it to once a year just to verify the overclock remains stable. It’s quick and useful, though Intel does use Linpack for speed testing—though I don’t push it beyond “Standard” unless necessary, since that only tests 1GB RAM. For RAM testing, I recommend something slower.
A 70°C temperature is ideal for a stock cooler, which is sufficient for mild overclocking if dust is kept away. A budget aftermarket cooler can boost performance and reduce noise during high loads. The stock downflow cooler has the benefit of directing airflow across the VRMs.
I should also mention that the G41 chipset northbridge supports 25W, and its heatsink is typically small. Placing a case fan near it helps maintain stability and longevity. This was something people often overlook today with low-power PCHs, but in the past, I’d always secure a loose fan dangling inside to point toward the MCH—this significantly lowered voltage needs and improved overclocking results.
BFG-9000 :
dudio :
.... I should also note that the G41 chipset northbridge is rated at 25w, and the heatsink attached to it is typically quite small. Therefore, placing a case fan near it helps maintain stability and extends its lifespan. This was something people often overlooked with today’s low-wattage PCH, but back then I always made sure a loose case fan hung outside the case pointed toward the MCH, which really lowered voltage needs and boosted overclocking performance.
That's why I tried to keep an eye on chipset temperatures.
My setup used to overheat heavily, so I relied on fans with heatsink attachments until now.
Great advice!