1) What would happen if I enable the ACPI APIC function in BIOS ? 2) What would happen if I enable ACPI 2.0 Support in BIOS ? 3) What would happen if I enable or change some settings in NVIDIA RAID function in BIOS ? Note I have DeepFreeze installed for the C Drive on my System . System is AMD Athalon 64 X2 5200+ with ASUS Motherboard & NVIDIA GeForce 8400 GS Card installed .