Is the Soyo SY-Yanlong B550M PCIe bandwidth causing tearing?
Hitting 300km/h only to have the screen tear apart is infuriating. I spent hours thinking it was a monitor sync issue, and my anxiety peaked after failing a few crucial races. It turns out the PCIe slot on the Soyo SY-Yanlong B550M was defaulting to 'Auto' and occasionally dropping back to Gen 3, causing VRAM throughput to swing wildly between 12-15GB/s. I tried turning on V-Sync in the GPU drivers, but that added a massive 35ms of input lag—basically a death sentence in a racing sim. I went into the BIOS Advanced Bus settings and forced the PCIe speed to Gen4, then slapped on the latest AMD chipset drivers. GPU-Z now confirms a rock-solid x16 4.0 link, and the tearing is totally gone. I did hit a couple of brief black screens during boot after the change, which I fixed by disabling 'Fast Boot' in the BIOS. VRM temps are sitting between 62-68℃, and the whole rig is stable. Forcing the protocol made the input response feel way more connected to my fingertips, though the BIOS menu is still a clunky mess.
