The original PlayStation--Generation 1, not 4--debuted in 1994. If yours is no longer playable, then Twitter user @Rurue0111 has a great idea for what you can do with it: turn it into a clock. He removed the electronic components from the case and added a clock motor into the interior. The disc cover was already the shape of a clock face. All he had to do is add numbers using a drill.
Pressing the power button turns on lights: