Fixing unstable RAM frequencies on Biostar A320MH PRO?
Walking through the crowded streets, I'd get these tiny, sharp hitches, especially when turning the camera quickly. Monitoring showed that the Biostar A320MH PRO was letting the memory frequency bounce between 2666MHz and 3200MHz, which caused the CPU cache hit latency to swing wildly between 15ms and 30ms. I tried the High Performance power plan, but it just added 3℃ to my temps without fixing the stutters—totally pointless. I went into the BIOS, locked the RAM frequency at 2933MHz, and manually set the timings to 18-20-20-42. In RivaTuner, the frame time variance tightened from 12-28ms down to 10-15ms. I tried XMP 3200 before this, but the system just kept rebooting randomly. RAM temps are now 42-48℃. After running the benchmark tool, the response is finally snappy, though the board's BIOS is a nightmare to use.
