struct _PEP_ACPI_SPB_I2C_RESOURCE// Size=0x20
{
    struct _PEP_ACPI_SPB_RESOURCE SpbCommon;// Offset=0x0 Size=0x18
    unsigned long ConnectionSpeed;// Offset=0x18 Size=0x4
    unsigned short SlaveAddress;// Offset=0x1c Size=0x2
};