A system comprising: a printed circuit board comprising a main processor; a connector configured to couple to a power supply; wherein the power supply is configured to produce a main power output signal and an auxiliary power output signal, and further configured to selectively activate the main power output signal within the power supply based on signals from devices on the printed circuit board and wherein the printed circuit board is configured to receive the main power signal and the auxiliary power signal via the connector; and a front panel power switch or another switch physically coupled to the printed circuit board; wherein the system is configured to have, while the power supply is coupled to a source of alternating current, AC, power: a powered-on operational state; a first powered-off state in which the main output power signal is deactivated within the power supply and the auxiliary power output signal is active and coupled to an auxiliary power rail of the printed circuit board, wherein the auxiliary power rail is configured to power a Super input/output controller of the printed circuit board; and a second powered-off state in which the main power output signal is deactivated and the auxiliary power output signal is active and decoupled from the auxiliary power rail of the printed circuit board; wherein the printed circuit board further comprises a power control circuit to select which powered-off state to implement and to transition from the powered-on operational state to either of the first powered-off state or the second powered-off state and wherein, when the system is in the second powered-off state, activation of the front panel power switch or the another switch is configured to trigger transition from the second powered off state to the powered-on operational state by coupling the auxiliary power output signal to the auxiliary power rail thereby powering the Super input/output controller, and the Super input/output controller being configured to, when powered, command the power supply to activate the main power output signal. a printed circuit board comprising a main processor; a connector configured to couple to a power supply; wherein the power supply is configured to produce a main power output signal and an auxiliary power output signal, and further configured to selectively activate the main power output signal within the power supply based on signals from devices on the printed circuit board and wherein the printed circuit board is configured to receive the main power signal and the auxiliary power signal via the connector; and a front panel power switch or another switch physically coupled to the printed circuit board; wherein the system is configured to have, while the power supply is coupled to a source of alternating current, AC, power: a powered-on operational state; a first powered-off state in which the main output power signal is deactivated within the power supply and the auxiliary power output signal is active and coupled to an auxiliary power rail of the printed circuit board, wherein the auxiliary power rail is configured to power a Super input/output controller of the printed circuit board; and a second powered-off state in which the main power output signal is deactivated and the auxiliary power output signal is active and decoupled from the auxiliary power rail of the printed circuit board; a powered-on operational state; a first powered-off state in which the main output power signal is deactivated within the power supply and the auxiliary power output signal is active and coupled to an auxiliary power rail of the printed circuit board, wherein the auxiliary power rail is configured to power a Super input/output controller of the printed circuit board; and a second powered-off state in which the main power output signal is deactivated and the auxiliary power output signal is active and decoupled from the auxiliary power rail of the printed circuit board; wherein the printed circuit board further comprises a power control circuit to select which powered-off state to implement and to transition from the powered-on operational state to either of the first powered-off state or the second powered-off state and wherein, when the system is in the second powered-off state, activation of the front panel power switch or the another switch is configured to trigger transition from the second powered off state to the powered-on operational state by coupling the auxiliary power output signal to the auxiliary power rail thereby powering the Super input/output controller, and the Super input/output controller being configured to, when powered, command the power supply to activate the main power output signal.