The Slim BIOS versions are often more streamlined than the original "Phat" versions, leading to faster boot times in emulation environments.
> SYSTEM MENU HIJACK ACTIVE.
The "extra quality" wasn't about emulation accuracy or audio fidelity. It was about resolution . RenderFaithful wasn't a gamer. He was a data archeologist. He'd been buying up every SCPH-70012 he could find, paying people to dump the BIOS with ever-increasing precision, looking for something hidden by a Sony engineer two decades ago. ps2 bios scph70012bin extra quality