Mod Chip Compatibility List
ModelRegionMainboardCompatibleNotes
SCPH-1000JapanPU-7Y 
SCPH-1001US/CanadaPU-7/PU-8Y 
SCPH-1002PALPU-7/PU-8Y 
SCPH-2000AllPU-7N/AThis is the developers "blue" PS.
For obvious reasons, it doesn't need a chip
DTL-3000AllPU-8YThe Net-Yarouze
SCPH-3000JapanPU-8Y/*Early models work normally
SCPH-3500JapanPU-8* 
SCPH-5003AsiaPU-8*Video-CD capable
SCPH-5500JapanPU-18* 
SCPH-5501US/CanadaPU-18Y 
SCPH-5502PALPU-18Y 
SCPH-5552PALPU-18Y 
SCPH-7000JapanPU-20*Current Japanese model
SCPH-7001US/CanadaPU-20Y 
SCPH-7002PALPU-20Y 
SCPH-7003AsiaPU-20*Current Asian Model
Video-CD capable
SCPH-7501US/CanadaPU-22YCurrent US/Canada model
SCPH-7502PALPU-22YCurrent PAL model

Notes