yes...on http://www.hptmac.com there is the 1520 controller...

and i ve got the 1520...i googled and i read that it is compatible with nearly any OS...

damn..i think i sell it...its not worth
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My babys:

Mac mini G4/1GBRAM
Modded PowerMac G4 Quicksilver/1GBRAM/Dual 1Ghz/6800 GT FLASH Giga-Designs
RedPainted G3/512MB