// This SSDT adds the missing Memory (DRAM) Controller to the system. DefinitionBlock ("", "SSDT", 2, "tyler", "MCHC", 0x00000000) { External (_SB_.PCI0, DeviceObj) Scope (_SB.PCI0) { Device (MCHC) { Name (_ADR, Zero) // _ADR: Address Method (_STA, 0, NotSerialized) // _STA: Status { If (_OSI ("Darwin")) { Return (0x0F) } Else { Return (Zero) } } } } }