Bit 0: Set to 1 if HW-coordinated
Bit 1: Set to 1 if OSPM should use Bus Master avoidance for this C-state
That it what Intel Processor Vendor-Specific ACPI says about that value. I think 0 or blank would be correct, blank is what my original SSDT uses.
Alright that is what mine used as well so I'll stick with that, thanks.