The overclock failed during testing.
The overclock failed during testing.
Hi everyone. I attempted to overclock my old CPU but it refuses to go beyond 100MHz even though I kept the voltage settings unchanged. It restarts twice and resets back to the stock speed. Temperatures are normal, and it doesn’t overheat. Someone, can you help me figure this out? CPU model: q9550 4C/4T 2.83GHz; Motherboard: Gigabyte G41MT-S2PT rev 1.1.
Core 2quads don’t run overclocked like today’s Intel chips. It’ll need its own approach—probably something I’ll have to research later. I tried once, but it took ages. This specific machine is sitting in my basement as a backup, and I’d never put it near the internet. Intel didn’t include any protection against specters or meltdowns for those boards. My memory says Core 2quads only really overclocked on a few Intel-made motherboards. I’ve forgotten how to do OC on non-Intel boards now.
Adjust the CPU voltage higher. On Core 2 processors, you might have to modify the memory rate. When you boost the front side bus, it raises the memory speed. In the BIOS you should tweak the memory multiplier to keep stability. Avoid jumping the bus speed by just a few MHz at a time; go for 33 MHz or 66 MHz instead. This method works well for overclocking Core 2 Duo. I successfully boosted my Core 2 Duo E6400 by more than 60%. Currently, a 5% or 10% increase is considered significant. Back then, 50% overclocks were typical. This isn’t a premium setup but it features the Intel chipset, allowing overclocking beyond 100 MHz. Why not? I’d prefer running an older machine online without fear of data loss.
Core2 duo was different from the core4 duo experience. Older versions really improved a lot compared to newer ones. I wasn’t sure a 60% custom build would work on core4 hardware. It felt odd to change things because of certain intel updates. They addressed some issues on their motherboards, so I bought one. I even added an Intel skull to it. It took months to get it working. I upgraded an 8400 into a 9 series setup. I don’t recall its exact speed. The device has been lying in my basement for years. There’s a chance the CMOS is missing and I’d need to replace the battery to try again. Regarding security, one reason was that many people ignore specter or meltdown concerns. Edited April 13, 2021 by Bombastinator