BIOS (Basic Input/Output System) self-updating protection system and BIOS self-updating protection method
A protection system and self-updating technology, applied in the field of computer systems, can solve problems such as inability to completely clear them, complex hardware design and implementation methods, computer security threats, etc., to achieve ease of use, security and correctness , to ensure the effect of normal operation
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[0044] The present invention will be described in detail below with reference to the drawings and embodiments.
[0045] Such as figure 1 As shown, the BIOS self-updating protection system of the present invention includes: a CPU and a supporting chipset P10, a FLASH chip P20, and a control module P30. P10, the CPU and supporting chipset, is used to execute the basic functions of BIOS code, BIOS detection and recovery functions, and BIOS update protection functions. P10 can be a processor architecture that supports different instruction set types such as x86, MIPS, SPARC, or Alpha. P20, the FLASH chip, is used to store the BIOS code that is normally executed during system operation. P30, the control module, is connected to the write protection pin of the FLASH chip through GPIO and other methods, and is used to control data writing to the FLASH chip, so as to realize the write protection of the FLASH chip storing the BIOS code.
[0046] The BIOS code in P20 is divided into two part...
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