I thought the issue was that the first worked, but the second didn't. Are you trying to install from cd ? or you have installed it and just doesnt boot.
if its a booting issue and the HDD is on the first port somone must have some pointers. I must admit I never got the powerup version working on my a1200 with fast ata
We don't stop playing because we grow old; we grow old because we stop playing. - George Bernard Shaw
Xbox Live: S0ulA55a551n2