Here.. Maybe it will help you out Jake
http://psx.rules.org/system.txt
Full official document:
R3000.7z (Size: 1,01 MB / Downloads: 920)
(PDF file, lots of pages, everything about the IOP must be here)
http://psx.rules.org/system.txt
Full official document:
R3000.7z (Size: 1,01 MB / Downloads: 920)
(PDF file, lots of pages, everything about the IOP must be here)