Amazon.com: Power Cord and AV Cable for PS1 PS2 PS3, AC Power Cord and AV Cable Compatible with Playstation 1 2 3, 2 Prong Power Supply & Audio Video RCA AV Cable
PSP PS1 PS2 PS3 PS4 PRO PS5 PSP PSVVita Xbox 360 Xbox one | Facebook
PS1 Downloads on PS3, Or: Firmware Updates Galore | WIRED
Getting an original PS1 Controller to work on the PS3 : r/PS3