Im no expert, but... seems like someone before me thought "no one will notice" and stole a part from the motherboard. Anyone know whats missing exactly? (ps3 fat) : r/consolerepair
PlayStation 3 Wi-Fi/Bluetooth Board Replacement - iFixit Repair Guide
Motherboard Revisions - PS3 Developer wiki
PlayStation 3 technical specifications - Wikipedia
PS3 - Fault finding YLOD with the SYSCON - First steps and Error reporting | Page 73 | PSX-Place