//0x4c bytes (sizeof)
struct SYSTEM_POWER_CAPABILITIES
{
UCHAR PowerButtonPresent; //0x0
UCHAR SleepButtonPresent; //0x1
UCHAR LidPresent; //0x2
UCHAR SystemS1; //0x3
UCHAR SystemS2; //0x4
UCHAR SystemS3; //0x5
UCHAR SystemS4; //0x6
UCHAR SystemS5; //0x7
UCHAR HiberFilePresent; //0x8
UCHAR FullWake; //0x9
UCHAR VideoDimPresent; //0xa
UCHAR ApmPresent; //0xb
UCHAR UpsPresent; //0xc
UCHAR ThermalControl; //0xd
UCHAR ProcessorThrottle; //0xe
UCHAR ProcessorMinThrottle; //0xf
UCHAR ProcessorMaxThrottle; //0x10
UCHAR FastSystemS4; //0x11
UCHAR Hiberboot; //0x12
UCHAR WakeAlarmPresent; //0x13
UCHAR AoAc; //0x14
UCHAR DiskSpinDown; //0x15
UCHAR HiberFileType; //0x16
UCHAR AoAcConnectivitySupported; //0x17
UCHAR spare3[6]; //0x18
UCHAR SystemBatteriesPresent; //0x1e
UCHAR BatteriesAreShortTerm; //0x1f
struct BATTERY_REPORTING_SCALE BatteryScale[3]; //0x20
enum _SYSTEM_POWER_STATE AcOnLineWake; //0x38
enum _SYSTEM_POWER_STATE SoftLidWake; //0x3c
enum _SYSTEM_POWER_STATE RtcWake; //0x40
enum _SYSTEM_POWER_STATE MinDeviceWakeState; //0x44
enum _SYSTEM_POWER_STATE DefaultLowLatencyWake; //0x48
};