It is generally considered legal to extract ("dump") the BIOS from a physical console that you personally own for personal use.
Modern techniques have moved beyond the traditional need for a physical console and complex "dumping" hardware. Extraction from PS3 Firmware (No Console Required):
: BIOS files are region-locked (USA, Japan, Europe). For the best experience, users often match the BIOS region to the game region they intend to play. Hardware Emulation
It is generally considered legal to extract ("dump") the BIOS from a physical console that you personally own for personal use.
Modern techniques have moved beyond the traditional need for a physical console and complex "dumping" hardware. Extraction from PS3 Firmware (No Console Required): fps2bios
: BIOS files are region-locked (USA, Japan, Europe). For the best experience, users often match the BIOS region to the game region they intend to play. Hardware Emulation It is generally considered legal to extract ("dump")