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2025-03-31 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Development >
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This article mainly introduces how to backup hard disk boot records, with certain reference value, interested friends can refer to, I hope you have a lot of gains after reading this article, let Xiaobian take you to understand.
In order to prevent virus from attacking hard disk or other misoperation, backup hard disk boot record is an effective method. If there is no ready-made tool software (such as SRCTtools, a very useful tool, can be downloaded in the "Disk Tools" of this site, the specific use of its method see the article introduced in the "DOS article" column of this site), DEBUG can be used. The method of backing up and writing the main boot record of hard disk is introduced.
The main boot record can be backed up by:
DEBUG
-A 100
XXXX:0100 MOV AX,201
XXXX:0103 MOV BX,200
XXXX:0106 MOV CX,1
XXXX:0109 MOV DX,80
XXXX:010C INT 13
XXXX:010E INT 3
XXXX:010F
-G=100
-R CX
CX 0001:200
-N BOOT.ZYD
-W 200
-Q
The way to backup DOS partition boot records is:
DEBUG
-L 100 201
-N BOOT.DOS
-R CX
CX 0001:200
-W 100
-Q
To write a hard drive master boot record:
DEBUG
-N BOOT.ZYD
-L 200
-A 100
XXXX:0100 MOV AX,301
XXXX:0103 MOV BX,200
XXXX:0106 MOV CX,1
XXXX:0109 MOV DX,80
XXXX:010C INT 13
XXXX:010E INT 3
XXXX:010F
-G=100
-Q
The way to write DOS partition boot records is:
DEBUG
-N BOOT.DOS
-L 100
-W 100 201
-Q
This method can repair hard disk without losing files, so it is convenient and necessary to backup hard disk main boot record and DOS partition boot record.
Thank you for reading this article carefully. I hope that the article "How to backup the hard disk boot record" shared by Xiaobian will be helpful to everyone. At the same time, I hope that everyone will support you a lot and pay attention to the industry information channel. More relevant knowledge is waiting for you to learn!
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