PS2 early-model MechaCon firmware dumped after four years of reverse engineering
Canadian reverse-engineering hobbyist DiscoStarslayer said he has finally extracted firmware from the PlayStation 2's early-model MechaCon security chip after four years of work. The chip handles disc authentication, MagicGate memory card checks, and decryption for KELF encrypted executables. According to the report, no one had fully dumped the firmware from these early PS2 units in the 26 years since the console launched. DiscoStarslayer said the process involved decapping the chip, producing optical dumps, and eventually finding a software-based method to read the firmware. He credited developer Libby with identifying the exploit from incomplete optical data. A GitHub list created on Sept. 14 and updated through Sept. 16 shows 22 firmware entries with SHA-256 hashes and build dates, covering most early fat PS2 models from the SCPH-15000 to SCPH-39000 series, as well as Namco's System 246 and 256 arcade boards. The firmware files themselves were not released. The earliest v1 firmware, including the launch-era Japanese SCPH-10000, remains unread. Participants said the dump does not newly unlock game content and is likely to be more useful for emulator development, hardware research, and repair-related work than for piracy.








