Patent ID: 8405986
Filing Date: 2013-03-26
Classification: G06F

Abstract:
1. A motherboard, comprising: a first connector; a fan device, comprising a fan and a second connector electrically connected to the fan, the second connector being engaged with the first connector; and a fan control circuit, comprising: wherein when the motherboard is turned on, the fan control circuit is configured to output the voltage of the first power terminal of the motherboard to the power terminal of the fan through the primary power terminal and the voltage output terminal according to a first state of the power state signal, to rotate the fan, and when the motherboard is turned off, the fan control circuit is configured to output the voltage of the second power terminal of the motherboard to the power terminal of the fan for a predetermined time according to a second state of the power state signal, to make the standby power terminal supply a working voltage for the fan to continue to maintain rotation of the fan for the predetermined time.