Sony PS3 Repair Manual page 300

How to play/install to play PS2 backups on PS3
A small plug-in on the left side
Note: Your main goal is to get to some small screws on the bottom so that you can remove
the metal cover. You may choose not to unplug anything. That's up to you.
Take the metal top off. you will see a small circuit board with 2 wires towards the front of the
4.
drive. This is a sensor that allows the game to be sucked in. You need to disable this by either
cutting the small wires, Hooking up another small switch so you still retain original functionality,
or put a small piece of tape over the sensor.
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