摘要： Standard MBR functionality can be restored by adding proper boot code back into the MBR. This document will mostly discuss how to restore the boot sector finding code to the MBR. This document also gives several options for which boot code you may want to put in the MBR. 阅读全文

摘要： Intel-based computers rely on the system BIOS to load and execute bootstrap code. The BIOS bootstrap routine generates an int 0x19 which loads the first sector of the floppy or hard disk (0:0:1 in CHS) in memory at segment address 0000:7C00H. The first physical sector is called the master boot record (MBR) and contains the primary bootstrap loader code. After loading sector zero, the BIOS checks that the last two bytes of that sector are 55AA as seen on the disk. This 55AA is called a boot r 阅读全文