acer 4743 intelling Snow Leopard??

[xrosex]

Model:acer 4743 intelling Snow Leopard
Need Help!


Use DVD ROM installed 10.6.3 or 10.6.6i Complete
but
still restart
input:busratio=20
still restart

Specifications:
CPU:Intel P6200(Which kernel?)
Mobile Intel HM55
RAM:DDR3 4GB
VGA:NV GT540 optimus &INTEL
AUDIO:Realtek High Definition Audio
LAN:Atheros AR8151
Wirless:Atheros AR5B97
Blutooth::Atheros AR 3011
USB:intel 5Series/3400
BIOS:Phoenix V1.05

Need Help!