Let us be direct: You cannot legally download scph5500.bin from a website.
Sony Computer Entertainment Inc. holds the copyright to the BIOS code. It is proprietary software. Legally, there are only two ways to obtain scph5500.bin: Playstation Scph-5500 -v3.0 Japan- Bios Scph5500.bin
We do not condone piracy. If you do not own the original hardware (SCPH-5500), downloading the scph5500.bin file is a copyright violation. That said, the retro emulation community largely operates on the "24-hour abandonware" myth—legally shaky, but ubiquitous. Let us be direct: You cannot legally download scph5500
Legal note: Distributing BIOS ROMs is illegal in many jurisdictions unless you own the original hardware. Use only BIOS dumps from hardware you own. We do not condone piracy