Volume Boot Record Definition (Partition Boot Sector)

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Volume Boot Record Definition (Partition Boot Sector)
Volume Boot Record Definition (Partition Boot Sector)
Anonim

Cov ntaub ntawv ntim khau raj, feem ntau hu ua kev faib khau raj sector, yog hom khau raj, khaws cia rau hauv ib qho kev faib tawm ntawm lub hard disk drive lossis lwm yam khoom siv cia, uas muaj cov cai hauv computer tsim nyog los pib txheej txheem khau raj.

Ib feem ntawm cov ntim ntim cov ntaub ntawv uas tshwj xeeb rau kev ua haujlwm lossis kev pabcuam nws tus kheej, thiab yog dab tsi siv los thauj cov OS lossis software, hu ua qhov ntim khau raj. Lwm qhov yog disk parameter block, lossis media parameter block, uas muaj cov ntaub ntawv hais txog lub ntim zoo li nws daim ntawv lo, qhov loj me, pawg suav suav, serial tooj, thiab ntau dua.

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Cov ntaub ntawv ntim khau raj feem ntau hu ua VBR, tab sis qee zaum kuj raug xa mus rau kev faib khau raj sector, muab faib khau raj ntaub ntawv, khau raj thaiv, thiab ntim khau raj sector.

VBR kuj yog ib qho lus luv luv rau qhov sib txawv me ntsis, uas tsis muaj dab tsi cuam tshuam nrog kev khau raj tab sis hloov mus rau cov lej ntawm cov khoom ua tiav dhau sijhawm. Nws yog qhov rov qab ntawm tus nqi qis tas li lossis CBR. Saib CBR vs VBR Encoding kom paub ntau ntxiv.

Kho lub ntim ntim cov ntaub ntawv

Yog hais tias lub ntim boot code ua corrupted los yog configured nyob rau hauv ib co tsis raug txoj kev, koj muaj peev xwm kho nws los ntawm sau ib tug tshiab daim ntawv luam ntawm khau raj code rau lub system muab faib.

Cov kauj ruam koom nrog hauv kev sau cov ntawv ntim tshiab yog nyob ntawm seb lub Windows koj siv li cas:

  • Yuav ua li cas Sau Ib Qhov Kev faib tawm tshiab khau raj rau Windows 11/10/8/7/Vista System Partition
  • Yuav ua li cas Sau Ib Qhov Kev faib tawm tshiab khau raj rau Windows XP System Partition

Xav paub ntau ntxiv ntawm Phau Ntawv Teev Npe

Cov ntaub ntawv ntim khau raj yog tsim thaum muaj kev faib tawm. Nws nyob rau thawj sector ntawm kev faib. Txawm li cas los xij, yog tias lub cuab yeej tsis tau muab faib, zoo li yog tias koj tab tom cuam tshuam nrog lub floppy disk, ces cov ntaub ntawv ntim khau raj yog nyob rau thawj ntu ntawm tag nrho cov cuab yeej.

Cov ntaub ntawv khau raj tus tswv yog lwm hom khau raj. Yog tias ib lub cuab yeej muaj ib lossis ntau qhov kev faib tawm, cov ntaub ntawv khau raj master yog nyob rau thawj ntu ntawm tag nrho cov cuab yeej.

Tag nrho cov disks tsuas yog muaj ib daim ntawv teev npe khau raj xwb, tab sis tuaj yeem muaj ntau cov ntaub ntawv ntim khau raj vim qhov tseeb yooj yim uas lub cuab yeej cia tuaj yeem tuav ntau qhov sib faib, uas txhua tus muaj lawv tus kheej ntim cov ntaub ntawv khau raj.

Lub khoos phis tawj code uas tau khaws cia hauv ntim cov ntaub ntawv khau raj yog pib los ntawm BIOS, cov ntaub ntawv khau raj, lossis tus thawj tswj khau raj. Yog tias tus thawj tswj khau raj siv los hu rau cov ntaub ntawv ntim khau raj, nws hu ua saw loading.

NTLDR yog lub khau raj khau raj rau qee lub Windows (XP thiab laus dua). Yog tias koj muaj ntau tshaj ib qho kev khiav hauj lwm nruab rau hauv lub hard drive, nws yuav siv cov cai tshwj xeeb cuam tshuam rau cov kev khiav hauj lwm sib txawv thiab muab tso ua ke rau hauv ib lub ntim ntim cov ntaub ntawv kom, ua ntej ib qho OS pib, koj tuaj yeem xaiv qhov twg rau khau raj.. Cov versions tshiab ntawm Windows tau hloov NTLDR nrog BOOTMGR thiab winload.exe.

Kuj nyob rau hauv cov ntaub ntawv ntim khau raj yog cov ntaub ntawv hais txog cov ntaub ntawv kaw lus ntawm qhov muab faib, zoo li yog tias nws yog NTFS lossis FAT, nrog rau qhov twg MFT thiab MFT Daim iav yog (yog tias qhov muab faib yog formatted hauv NTFS).

Cov ntaub ntawv ntim ntim yog lub hom phiaj rau cov kab mob txij li nws cov cai pib txawm tias ua ntej lub operating system tuaj yeem thauj khoom, thiab nws ua li ntawd tsis muaj kev cuam tshuam rau cov neeg siv.

FAQ

    Qhov txawv ntawm MBR thiab VBR yog dab tsi?

    Ib daim ntawv sau npe zoo (MBR) yog tsim thaum lub hard drive tau muab faib, tab sis nws tsis muaj nyob rau hauv ib qho kev faib. Nws txoj hauj lwm yog nrhiav qhov muab faib nrog VBR kom cov txheej txheem khau raj tuaj yeem pib. Tsis zoo li VBR, MBR tsis yog tshwj xeeb rau txhua qhov kev khiav haujlwm.

    Windows Boot Manager (BOOTMGR) yog dab tsi?

    Windows BOOTMGR yog tus thawj tswj khau raj rau Windows 11, Windows 10, Windows 8, Windows 7, thiab Windows Vista. Nws thauj cov ntim khau raj ntawm VBR kom Windows tuaj yeem pib.

    Kuv yuav ua li cas nrog cov kab mob khau raj?

    Siv cov software tiv thaiv kab mob lossis DOS SYS cov lus txib los kho cov kab mob khau raj, tom qab ntawd khau raj los ntawm qhov paub huv system disk. Txhawm rau zam cov kab mob khau raj, tshem tawm tag nrho cov xov xwm sab nraud (piv txwv li USB drives) ua ntej kaw koj lub computer.

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