You should be aware that tokens distributed for 2.12 and earlier system are not RSA signed (and instead rely on CMAC/HMAC). After 2.12...
Is the correct link and it has both the 4.01 image and 6.60 PBP.
I also added that...
Below is a better way to convert UMD9660 ISO to H1500 master in a lossless way. It could be very complicated ;)
Its the bits of the 3.60 SDK that where leaked, Has a few things in there including neighborhood.
Separate names with a comma.