Hello i have some problems.. I have Intel Core 2 Duo and my wifi is DWA-547.

My problems are:
1. After Booting SL and restarting the IDE/ACHI changes to RAID.
2. My Wifi doesnt work. I got DWA-547 And IO80221Family.Kext doesnt work. but it works perfect on Leopard without any kext :S ( 32bit ) To make wifi work i have to boot with x32..

3. Restart hangs up :S

Please help me