Multiple operating system boot loading method

An operating system and bootloading technology, which is applied in the direction of program loading/starting, program control device, memory address/allocation/relocation, etc. It can solve the problems that the old operating system and the new operating system cannot be used normally.

Inactive Publication Date: 2005-01-26
INVENTEC CORP
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Problems solved by technology

[0003] But when the user needs to install two or more operating systems in the same computer, when the user installs a new operating system, the operating system program will first destroy the hard disk master boot record (Master Boot Record) at the initial stage of installation. , MBR), and re-establish the master boot program and hard disk partition table data that belong to the operating system’s cognition. Therefore, after the new operating system is installed, the user finds that the boot program of the old operating system that existed before has been replaced. Broken by the new OS, unable to make both the old OS and the new OS work properly

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[0022] According to a method for booting multiple operating systems of the present invention, the master boot program stored in the master boot record of the hard disk is first backed up to a storage device other than the master boot record, and then when booting is performed, by executing the The function or the operation of the control interface can replace the master boot program of the hard disk master boot record, and then through the program that reads the hard disk master boot record first when booting, the master boot program and the hard disk partition table data are preferentially read for booting, and finally multiple A method for enabling operating system requirements; through the operation and setting of the method, the expected purpose of executing multiple operating systems in the same computer can be realized.

[0023] figure 1 It is the main flow chart of multiple operating system bootloading methods of the present invention, first read the main boot program (...

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Abstract

It is a kind of multiple operation system booting and loading method. It copys the main boot program that stored in the main boot record in hardware to the memory device that beyond the main boot record. During boot executing, it changes the main boot program of hardware main boot record by executing the function that defined in special key or operation that defined in special control interface. By reading the main boot program of hardware main boot record and hard disk partition table data when power on, it can boot multiple operation system.

Description

technical field [0001] The invention relates to a method for loading an operating system, in particular to a method for guiding and loading multiple operating systems. Background technique [0002] The booting method of the existing computer is mainly to start and test each component in the computer motherboard by the basic input-output system (BIOS) after the computer is started, and when it is determined that all components are started and operating normally, then start to read. The master boot program and hard disk partition table data in the master boot record of the hard disk are used to locate and load the operating system program of the partition, so as to realize the installation and normal operation of the operating system. [0003] But when the user needs to install more than two operating systems in the same computer, when the user installs a new operating system, the operating system program will first destroy the hard disk master boot record (Master Boot Record)...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F9/445G06F12/06
Inventor 邱全成曹毅周梓铭
Owner INVENTEC CORP
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