Vlsi Technology, Inc.

Henry Wurzburg

Marty L Long

Walter H Potts

A system for providing power to peripheral components associated with a personal computer is disclosed. A local power management unit is located at each controller for a peripheral component in order to provide a distributive power management arrangement. The local power management units communicate with an activity monitor provided in a central power management unit. The foregoing arrangement permits power to be maintained to the bus interface microchips at all times. Deactuation of a controller associated with a peripheral component is accomplished through inhibiting the clock signal produced by the local power management unit associated with the controller. By maintaining power to the bus interface microchips, power leakage through the bus interface microchips is eliminated.

Distributed power management system for battery operated personal

A keycode translation system is disclosed in the form of a hardware system for providing translation between the keycode sent to the keyboard controller of a computer, such as a personal computer, and the code sent from the keyboard controller to the CPU of the computer for processing. A control ROM is used to select translated keycode signals from a keycode look-up table under the control of a program counter and keycode signals from the keyboard. These translated signals then are supplied through an accumulator to the CPU of the computer.

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Chandler, AZ, United States of America

Henry Wurzburg