using homebrew tools. Downloading it from "ROM sites" or "megathreads" is technically copyright infringement, even if widely practiced in the emulation community. this BIOS from an actual PS2 console?
Historically, obtaining a copy of the SCPH70012BIOSV12USA200BIN file was challenging due to copyright and intellectual property concerns. However, with the increasing popularity of open-source and community-driven projects, various sources have made the file available for download. scph70012biosv12usa200bin work