Why is my Asrock Z370M Pro4 voltage dipping in Apex Legends?
During chaotic multi-squad fights, my steady 144 FPS would suddenly tank by 20-30 frames, which is a total nightmare for anyone trying to play competitively. After digging into the logs, I saw the CPU Vcore plummeting from 1.25V to 1.12V during load spikes, causing the clock speed to bounce wildly between 4.2GHz and 3.6GHz. It was clear the default Load-Line Calibration was way too conservative. I first tried enabling the 'Performance Mode' in BIOS, but that was a disaster—core temps hit 96℃ and triggered thermal throttling immediately. I had to go granular. I navigated to BIOS -> Advanced -> Voltage Configuration and set the Load-Line Calibration to Level 3, while adding a +0.03V offset to the core voltage. After this, RTSS showed the voltage stabilizing between 1.22V - 1.28V, and frame times tightened up from a messy 14-35ms to a rock steady 6-11ms. I did hit a snag where the system randomly rebooted twice during idle when I first pushed the voltage, but backing off by 0.01V fixed it. VRM temps stayed around 62-68℃. It's finally stable, though the Z370M's power delivery is definitely pushed to its limit here.
