Installation error on Intel P35 mainboard

[Feza <fezacakir@gmail.com>]

Configuration:
Intel DP35DP motherboard
Intel Q6600 CPU
2 GB 800MHz DDR2 Ram
250GB SATA HDD

I tried install Debian 64 Bit Testing release but i didn't.
At first, i set startup parameters that are
"install vga=771 generic.all_generic_ide=1 noapic nolapic"
It worked fine and installation successfuly done .
On next boot, Debian didnt find disk.
What should I do?

Thanks for everyone.
Feza.