Thanks milanca for your replay

I installed Retail Leopard, and updated it to 10.5.7
but i am stuck with ALC888 sound ,
i installed the ALC888Audio.mpkg from her
but still no go

and i need to know how to fix the "About This Mac" and the system profile because it show wrong information,
the Memory is 1333 MHz and it show 667 MHz.

can you help with that please?

Best