To quote: 05/23/2011 For Immediate Release: The beginning of dual-firmware PS3: PS3_Ed2.pdf The technique outlined in the .PDF will help people learn more about 3.6x firmwares.
The solution relies on the implementation of a second NOR/NAND Flash. Some technical limitations have been identified. But time will help us to remove them.
The information in the document is still theoretical for the moment, however please post results from your testing.
We believe knowledge and information wants to be free. Learn what you can and help contribute to making the PS3 scene a better place. Released by No_One.
Stay tuned for more PS3 Hacks and PS3 CFW news, follow us on Twitter and be sure to drop by the PS3 Hacks and PS3 Custom Firmware Forums for the latest PlayStation 3 scene updates and homebrew releases!