Power Management Control/Status Register Constants you use when checking bits in the power management register. TopicsRegister BitskPCIPMCSPowerStateD0kPCIPMCSPowerStateD1kPCIPMCSPowerStateD2kPCIPMCSPowerStateD3kPCIPMCSPowerStateMaskkPCIPMCSPMEEnablekPCIPMCSPMEStatuskPCIPMCSDefaultEnableBitskPCIPMCSPMEDisableInS3kPCIPMCSPMEWakeReason See AlsoManaging PowerHasPCIPowerManagementEnablePCIPowerManagementPower Management Capabilities