Digital Foundry on Twitter: "For those wondering, the European launch PS3 lacked this particular chip. CECHA01 models could also be used to force PS2 titles to run at HDMI 480p on PS3
PlayStation 2 technical specifications - Wikipedia
60GB PS3 Being Removed From North America | TechCrunch
Backward Compatibility Scaled Back In 80 GB PS3 | WIRED
CXD2972GB - PS3 Developer wiki
PlayStation 3 Architecture | A Practical Analysis
Gone baby gone: the death and afterlife of a 60GB PS3 | Ars Technica