Sword Fairy 7 is stuttering during scene transitions due to I/O queue blocking on my Great Wall GW3300 256GB; any fix?

Switching maps feels like the game is having a seizure—tiny micro-stutters that make me want to roast the loading system. On the Great Wall GW3300 256GB, the I/O queue depth was bouncing between 32-64 when reading fragmented files, leaving the CPU just hanging. I tried disabling real-time antivirus scanning first, but that only helped by maybe 5% and left my system exposed, which is a terrible trade-off. I eventually went into the registry to change the disk scheduling algorithm from Balanced to High Performance and killed the SuperFetch/SysMain service. Performance Monitor showed response times dropping from 15-30ms to 8-12ms, and the stuttering basically vanished. I actually hit a Blue Screen of Death (BSOD) on the first reboot after the registry edit, but rolling back the driver and trying again worked. Temps are between 45-55℃. I backed up the registry keys just in case, and my fans are humming along at 1400-1600RPM.