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Method and apparatus for fast boot of an operating system

A technology of system status and system software, applied in the direction of program control device, program loading/starting, instrument, etc., can solve problems such as taking a few minutes

Inactive Publication Date: 2009-01-28
ARDENCE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Without hibernation, booting the OS and reopening apps and documents can take minutes

Method used

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  • Method and apparatus for fast boot of an operating system
  • Method and apparatus for fast boot of an operating system
  • Method and apparatus for fast boot of an operating system

Examples

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Embodiment Construction

[0016] The following is a description of preferred embodiments of the present invention.

[0017] figure 1 A conventional computer system modified according to some aspects of the invention is described. CPU 110 having registers 111 processes data from nonvolatile read only memory (ROM) 112 and volatile random access memory (RAM) 114 . Random Access Memory is designed to run fast, but data stored in it is lost during shutdown. Even during shutdown, non-volatile memory 116, such as a hard disk, maintains the large amount of programs and data required by the system. Portions of this data are transferred to RAM 114 as needed during operation. Other forms of non-volatile memory that may be relied upon in practicing the present invention include tape drives, CDROMs, and the like.

[0018] To start the operating system, the CPU first looks at the basic input output system (BIOS) stored in ROM 112 . The BIOS invokes instructions stored on the hard disk to load the operating syst...

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PUM

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Abstract

A computer system is adapted for rapid booting to any one of plural contexts such as that of a desktop application or television application. The system may be booted to an initial state in one context by reading a write-protected hibernate file into RAM and registers. The system may be initialized into another context by means of that hibernate file in conjunction with a difference file.

Description

[0001] related application [0002] This application is a continuation of, and claims priority from, US Application No. 11 / 273,265 filed November 14,2005. The entire teaching of the above application is incorporated herein by reference. Background technique [0003] After power is applied to a computer system, the system typically performs some initial tests of the hardware before proceeding to boot the operating system from non-volatile storage. Booting involves loading and initializing system components, including the operating system kernel. The initialization process takes a considerable amount of time, so booting the operating system may take several minutes. After the operating system has successfully started, application programs can be opened and executed on the computer system. [0004] In recent years, standard CPUs and operating systems used in desktop applications have generally been extended to other applications. For example, Microsoft An operating system c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F9/445
CPCG06F9/4418
Inventor M·F·爱德华兹D·R·昂德伍德
Owner ARDENCE
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