Sony PlayStation 2 - Unlicensed Protection

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Unlicensed PlayStation 2 discs use different types of copy protection which affects the way they are dumped.

Types of unlicensed PlayStation 2 discs and related copy protection:

Discs which contain codes for both PlayStation 1 and PlayStation 2 consoles. These are PlayStation 1 formatted discs and do not contain copy protection.
"v1" protection: Which has a standardized dumping method that generates a reproducible hash. These discs are usually produced with an indigo-colored bottom, or occasionally a clear (silver) bottom. Supported by redumper and DiscImageCreator (with /sf parameter).
"v2" protection: Which does not have a standardized dumping method and does not generate a reproducible hash. These discs generally have a black-colored bottom (or a very dark indigo-colored bottom), or a clear (silver) bottom (as with some "v1" discs).
Ring protection: Which exists on discs in addition to either v1 or v2 protection.
Fake TOC / mini-cds with full-sized TOC / Data covered by label: For which a higher sector count is given by the TOC than is physically readable by a disc drive. For dumping these see redumper guide section for irregular disc types.