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2025-04-03 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Development >
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This article mainly explains "how to back up the hard disk master boot partition to a file", interested friends may wish to have a look. The method introduced in this paper is simple, fast and practical. Let's let the editor take you to learn how to back up the hard disk master boot partition to a file.
C:\ DOS > DEBUG
-A100
1078 0100 mov ax,0201; 02 = read, 01 = number of sectors read
1078 mov bx,0200 0103; after reading, put it at 0200 of the memory
1078 0106 mov cx,0001; 00 = track number, 01 = starting sector number
1078 0109 mov dx,0080; 00 = 0 head, 80 represents hard disk
1078 010C int 13; BIOS disk interrupt
1078 010E int 20; end
1078Drex 0110 ^ C
-Group100; execute from 0100
Program terminated normally; program display
-rcx; the CX register defines the size of the saved file
CX 0000; set file size
: 300; 300H = 768 bytes
-n mainboot.dat; saved in the file mainboot.dat
-w; write files
Writing 00300 bytes; program display
-Q; quit DEBUG
At this point, I believe you have a deeper understanding of "how to back up the hard disk master boot partition to a file". You might as well do it in practice. Here is the website, more related content can enter the relevant channels to inquire, follow us, continue to learn!
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