?????????????????????????????
???????????? ???????[ 2013/10/12 16:25:11 ] ????????
????1?????μ??????????弰?????豸???磻
????2??????о?????CPU????RESET????cpu???????
????3??о??鳷?RESET????CPU???????FFFF0H??????????//FFFFOH?????????????????????BIOS????洢???
??????????μ????????????в????????cpu????????????????????RESET????????CPU????????
????4??CPU?????BIOS????
????4.1 ??????????
????a??????POST??Power On Self Test????????????????Щ????豸???????????????????????????????
????b?????????BIOS???????????????????????????
????c?????CPU????????????????????????????????????????????????
????d????????а?????Щ???????豸???磺????CD-ROM???????????н?????н??
????e?????????????а??????弴????豸?????Щ?豸?????ж??DMA????????洢?????????????????????????????I/O???????
????4.2????ESCD??Extended System Configuration Data??????????????????
????ESCD??BIOS ???????????豸???????????BIOS??????????????????????????????????????CMOS?С?????????ESCD?л???????????????????????????????????????????????????????????
????4.3 ???????????
????BIOS????????CMOS???????????????????????????????????BootSector????????????????????????λ??????????????????棬?????????????????? ????????????з???????????????????????????????
??????
???·???
??????????????????
2023/3/23 14:23:39???д?ò??????????
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2021/10/18 15:37:44???????????????
2021/9/17 15:19:29???·???????·
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2021/5/28 17:25:47??????APP??????????
2021/5/8 17:01:11