Computing device and start-up method therefor

The present invention relates to a computing device, comprising: - a computing unit (101) comprising a system controller (103), a working memory (104) and a processing unit (102), the system controller (103) comprising a clock interface for receiving a clock signal, the system controller (103) being further configured to provide a received clock signal and a reset signal to the processing unit (102) at start-up of the computing device (100), the processing unit (102) being configured to use the provided clock signal for processing the reset signal, characterized by further comprising - a system management controller (105) interfacing said clock interface of said system controller (103), wherein the system management controller (105) is adapted to supply a clock signal to said system controller (103) via said clock interface.