Fujitsu Technology Solutions Intellectual Property Gmbh

Fujitsu Client Computing Limited

Rudolf Häussermann

Timo Bruderek

Rainer Staude

Peter Kastl

Waldemar Felde

Ottwald Markel

A computer system including a power supply unit that generates at least one DC supply voltage (V, V) based on an AC supply voltage (V), and a system board electrically connected to the power supply unit, the system board comprising a sequencing microcontroller that selectively activates further components of the system board, the further components comprising a chipset, wherein the sequencing microcontroller monitors the state of at least one control signal of the power supply unit and/or the system board to detect a shutdown and a successful reboot of the system board and, after a shutdown of the system board is detected, signals a reboot command to at least the chipset at predetermined intervals until a successful reboot of the system board is detected.

Computer system and operating method

A computer system that includes a power supply unit that generates at least one secondary supply voltage (V) and an auxiliary voltage (V) based on an AC supply voltage (V), and a system board electrically connected to the power supply unit, the system board comprising a sequencing microcontroller that selectively activates further components of the system board, the further components comprising a chipset, wherein the sequencing microcontroller is configured to monitor the state of at least one control signal of the power supply unit and/or the system board to detect a failure of the AC supply voltage (V) and signal the failure of the AC supply voltage (V) to at least the chipset.

Computer systems and methods of detecting AC failure

Growing community of inventors

Augsburg, Germany

Rudolf Häussermann