Patent ID: 6928542
Filing Date: 2005-08-09
Classification: G06F

Abstract:
1. A method of starting a multiple PDA OS through a menu for starting an OS in a portable computer installed with multiple OS's including at least one PDA OS and a basic OS, which comprises the steps of: (1) modifying BIOS contents of the portable computer to (a) skip some hardware device diagnosis steps to accelerate the power on speed, and (b) detect the multiple OS's pre-loaded in the portable computer; (2) providing PDA hot keys, each of which directly starts a unique PDA OS after power is turned on; (3) determining whether there are multiple OS partitions and continuing to the next step if there are; otherwise, starting a booting procedure of the basic OS; (4) detecting a PDA OS in the multiple OS partitions; (5) detecting if any of the PDA hot keys is pressed and starting the PDA OS corresponding to the PDA hot key; otherwise, continuing to the step (6); (6) listing the detected multiple OS's in a menu on an output device of the portable computer for a user to select; (7) obtaining the selection information about an OS selected by the user from the menu; and (8) starting the OS selected by the user.