CHD files contain internal hashes. If your ROM is corrupted, the emulator will tell you immediately rather than crashing 20 hours into an RPG.
The developer of the popular emulator PCSX2 (specifically the "Nightly" builds) has added native CHD support. However, certain "exclusive" CHD packs floating around the internet are pre-patched. This includes: ps2 chd roms exclusive
Most "exclusive" or complete collections are hosted on community archival sites. You can find comprehensive listings for different regions (USA, EU, JP) on the : CHD files contain internal hashes
PS2 emulation continues to evolve. While AetherSX2 development has ceased, PCSX2 remains with regular updates. The play! emulator continues development, with version 0.52 adding CD-ROM CHD support and improving compatibility for dozens of titles. However, certain "exclusive" CHD packs floating around the
But what exactly makes a CHD ROM "exclusive," and is it worth overhauling your library for?