Horizon Zero Dawn keeps crashing during fights on my Biostar B550MH. Do I need to adjust the boost clock?

Trying to run Horizon on this budget board is a joke; every time a big effect triggers, the system just black-screens. The VRM on the Biostar B550MH had a massive 0.12V drop when the CPU boosted to 4.5GHz, triggering a 0x124 hardware error. I tried capping the TDP to 65W via software, but that was useless—it didn't stop the crashes and my minimums dropped from 60 FPS to 35 FPS. I was livid. I went into the BIOS, hard-locked the max boost to 4.0GHz, and added a +0.05V Vcore offset. In an AIDA64 FPU stress test, it ran for an hour without a single reboot, with voltage staying between 1.15 - 1.20V. The VRMs hit 95℃ early on, so I had to zip-tie a 4cm fan over the power phase. CPU temps are now 78 - 85℃. I saved these conservative settings to a BIOS profile, and frame times are now stable at 14 - 18ms.