How to fix the I/O blocking on Colorful B450M-T M.2 V14?
While exploring the forests of New Eden, I hit these brutal 0.8-second total freezes during scene loads, especially when sprinting. On this Colorful B450M-T, the M.2 slot struggles with high throughput due to a dated BIOS resource allocation, causing a massive instruction queue in Gen3 mode. I first tried disabling Fast Startup in Windows, which was a complete waste of time—it didn't stop the stutters and actually added 10 seconds to my boot time, which was beyond frustrating. I eventually flashed the BIOS to the latest version and manually locked the PCIe link speed to Gen3 instead of leaving it on Auto, while also killing off unnecessary COM ports in the Advanced menu. Running AIDA64 storage tests showed random read latency dropping from 45-60ms down to a tight 22-28ms, and the transitions finally smoothed out. One heads-up: the BIOS update wiped my XMP profile, causing a 15% FPS drop initially until I toggled XMP back on. VRM temps stayed around 55-62℃. Verified the throughput curve is stable now.