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Computer system capable of avoiding update of basic input /output system program from failing and updating method thereof

A computer system, basic input and output technology, applied in the field of computer systems

Inactive Publication Date: 2009-06-24
WISTRON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the process of updating the basic input-output system program BIOS, if the basic input-output system program BIOS is improperly updated or is damaged by a virus and causes the computer system 10 to crash, in this case, the user has to perform an operation on the storage unit 16. Hardware Replacement Jobs

Method used

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  • Computer system capable of avoiding update of basic input /output system program from failing and updating method thereof
  • Computer system capable of avoiding update of basic input /output system program from failing and updating method thereof
  • Computer system capable of avoiding update of basic input /output system program from failing and updating method thereof

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Embodiment Construction

[0057] Please refer to Figure 4 . Figure 4 It is a schematic diagram of a computer system 40 for avoiding BIOS program update failure according to the present invention. The computer system 40 is an embedded system, which includes a central processing unit 42 , a memory bus 44 , a storage unit 45 and a boot selection unit 43 . The memory bus 44 is coupled to the CPU 42 and includes a plurality of data lines and a plurality of address lines. The central processing unit 44 can access data through the memory bus 44 to control the operation of the computer system 40 . The storage unit 45 includes a first storage block 46 and a second storage block 47, the first storage block 46 has a first start address and a first end address, and is used to store a first basic input-output system program BIOS1, the first The second storage block 47 has a second start address and a second end address for storing a second BIOS2 program. The boot selection unit 43 is coupled between the memor...

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Abstract

The invention discloses a computer system, comprising a central processing unit, a memory bus, a memory unit and a startup selection unit. The memory bus is coupled with the central processing unit. The memory bus comprises a plurality of data wires and address wires, through which the central processing unit accesses data. The memory unit comprises a plurality of memory blocks each of which is provided with a starting address and an end address for storing a basic input-output system program. The startup selection unit is coupled with the memory bus and the memory unit to start the computer according to the basic input-output system programs stored in the memory blocks, with a control signal being selected by the memory blocks.

Description

technical field [0001] The present invention provides a computer system and its related method for avoiding the update failure of the basic input and output system program, especially a computer that uses a boot selection unit to select a basic input and output system program stored in a storage block from a plurality of storage blocks to start the computer systems and related methods. Background technique [0002] Most computer systems use a central processing unit to execute a BIOS program stored in a non-volatile memory (Non-Volatile Memory) to complete the booting operation when starting up. In addition to providing basic functional support such as drivers and operating systems for components in the computer system, the BIOS program also includes a Power on Self-Test (POST) program and a Bootstrap Program. The power-on self-test program is used to ensure that the basic components in the computer system can work correctly. After the power-on self-test program is executed...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F9/445G06F11/14G06F13/16
Inventor 张龙翘吴明升林杰毅陈智弘
Owner WISTRON CORP