VERFAHREN UND VORRICHTUNG FÜR EINE OPTIMIERTE LEISTUNGSVERSORGUNG FÜR EINE RECHNEREINRICHTUNG

摘要

A power supply system for a general purpose computer has plural power supplies for powering selected groups of components. One of the power supplies serves the keyboard and its controller, and the keyboard controller is configured to turn the other power supply or supplies on and off in response to user input at the keyboard. The use of separate power supplies increases the efficiency of the computer when operating in reduced power modes.