A desktop mains powered unit into which a laptop or other portable computer can be connected via fixed connectors at the rear of the computer to provide quick and convenient connection of peripherals not normallY used with a laptop. These can include power supplY, expansion cards, additional storage, an external monitor, network card, CD-ROM, full-size keYboard, printer, and mouse. The alternative would require each of the above to be connected to the laptop individuallY. (2000-04-10)