GA-Z77-D3H | Before

Device (HDEF)
        {
            Name (_ADR, 0x001B0000)
            OperationRegion (HDAR, PCI_Config, 0x4C, 0x10)
            Field (HDAR, WordAcc, NoLock, Preserve)
            {
                DCKA,   1,
                Offset (0x01),
                DCKM,   1,
                    ,   6,
                DCKS,   1,
                Offset (0x08),
                    ,   15,
                PMES,   1
            }
            Method (_PRW, 0, NotSerialized)
            {
                Return (GPRW (0x0D, 0x04))
            }
        }