[shalma]

The redump.org folks have created a new CDR plugin for PS1 emulators:
cdrX - my CD plugin fo ePSXe (PSXeven, PCSX, etc) (Page 1) - General discussion - Redump Forum

Apparently can handle LibCrypt + USB drives (!)


As a side-note, you can find your BIOS checksum by burning a CD:
new program to identify PSX BIOS directly on console & control CD unit (Page 1) - General discussion - Redump Forum