Abstract: A portable notebook computer expansion adapter includes a flat base plate fitting over the notebook computer to be connected and having a plurality of expansion connectors on a bottom surface thereof for connecting a computer peripheral equipment to the notebook computer and a handle for carrying by hand; and a stop wall raised from the flat base plate at one side and stopped against said notebook computer in a flush manner, the stop wall having a mainframe connector connected to a respective connector on the notebook computer and an electric circuit connected to the expansion connectors of the flat base plate, and a through hole which receives the I/O connector of the notebook computer.

Abstract: An expansible notebook computer includes a mainframe unit, a display, and a keyboard unit, wherein the mainframe unit has a floppy diskdrive on the inside, a display connector connected to a mainframe connector on the display unit, a top recess, which receives the keyboard unit, a keyboard connector on the top recess electrically connected to a connector on the keyboard unit, a plurality of expansion cartridge connectors on a vertical front wall thereof for connecting an expansion cartridge, a plurality of mounting slots and a plurality of battery contacts on the vertical front wall above the expansion cartridge connectors for connecting a battery box, a hard diskdrive connector and an expansion box connector on a bottom wall thereof for connecting a hard diskdrive and an expansion box.