Solving micro-stutters on Maxsun B850M WIFI ICE in Spider-Man
Every time I'd zip through Manhattan, the screen would hitch for about 0.1 seconds, and that tiny stutter made the whole movement feel clunky and anxious. It turns out the PCIe link on the Maxsun MS-eSport B850M WIFI ICE was constantly flipping between Gen3 and Gen4 in Auto mode, causing the NVMe I/O wait times to swing wildly between 15-40ms. I wasted a lot of time updating the chipset drivers, which fixed some device detection issues but did absolutely nothing for the stutters—it was driving me crazy. I finally went into the BIOS, forced the PCIe link to Gen4, and disabled every single CPU power-saving state (C-states). In RTSS, the frame time variance dropped from 18-35ms to a tight 11-14ms. I did notice a slight delay during cold boots after locking Gen4, but disabling 'Fast Boot' in Windows fixed that. VRM temps are now sitting at 62-70℃ with CPU power draw stable at 95-110W. The input lag is gone, and it finally feels like the game is responding instantly to my fingertips.
