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BIOS FOR A COMPUTING DEVICE WITH HANDHELD AND EXTENDED COMPUTING UNITS

  • US 20090198989A1
  • Filed: 02/06/2008
  • Published: 08/06/2009
  • Est. Priority Date: 02/06/2008
  • Status: Abandoned Application
First Claim
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1. A handheld computing unit of a computing device that includes the handheld computing unit and an extended computing unit, wherein the handheld computing unit comprises:

  • a handheld processing module;

    a handheld main memory interface;

    a baseband processing module coupled to convert outbound data into an outbound symbol stream and to convert an inbound symbol stream into inbound data;

    a radio frequency (RF) section coupled to convert the outbound symbol stream into an outbound RF signal and to convert an inbound RF signal into the inbound symbol stream;

    handheld input/output (I/O) interfaces;

    a handheld bus structure coupled to the handheld processing module, the handheld main memory, the baseband processing module, and the handheld I/O components;

    a handheld connection structure coupled to one or more of;

    the handheld processing module, the handheld main memory, the handheld bus structure, and at least one of the handheld I/O interfaces; and

    a read only memory (ROM) coupled to the bus structure, wherein the ROM includes a first section for storing a power on self test (POST) of basic input/output system (BIOS) and a second section for storing a boot loader of the BIOS, wherein the boot loader includes a remote mode operating system boot loader and a docked mode operating system boot loader, wherein, when the handheld computing unit is in a remote mode, the remote mode operating system boot loader is used to load a remote mode operating system and when the handheld computing unit is in a docked mode, the docked mode operating system boot loader is used to load a docked mode operating system, wherein the docked mode operating system includes at least a portion of the remote mode operating system, wherein the handheld computing unit is in the remote mode when the handheld computing unit is not coupled to the extended computing unit and is in the docked mode when the handheld computing unit is coupled to the extended computing unit.

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