Toshiba, a100-522 (Help Me Please)

Hello "Hackint0sh" team, I'm Moonie, and i've just adopted an Toshiba a100-522 notebook computer, the screen is totally cracked but i have an 27" external screen so thats not a problem, i've done a ram upgrade from 512mb to 1024mb,
i've tried to install iPC, 10.5.6 and it worked fine! it installed (took around 15min)
i got installation succesful, but now i get the good known error
"Still waiting for root device" i would do everything for it to work!
Please guys i need help, i could really use an good pc here at home and this one is perfect (:, Thank you for even reading this, Moonie<3

the full specs are here Satellite A100-522 - Product Specifications - Toshiba