Master Boot Code 1st Partition Table Disk- Master -Partition Entry boot table 512字节的MBR record 2nd Partition Table Entry =446字节的boot loader 3rd Partition Table +64字节的分区表 Entry +2字节的signature: 4th Partition Table Entry 0xAA55 0x55AA Primary Boot Sector track 0,head 0,and sector 1 partition one Data Primary Boot Sector partition- two Data Primary Boot Sector partition- three Data Extended Extended- Partition boot Extended Table -Logical record yolume partition 0x55AA Boot Sector Data Extended Extended- Partition boot Table Logical volume record 0x55A4 演示本机磁盘管理信息 Boot Sector EMBEDDED SYSTEM LABORATORY SUZHOU INSTITUTE PON ADVANCED STUDY OF USTC512字节的MBR ＝446字节的boot loader ＋64字节的分区表 ＋2字节的signature： 0xAA55 track 0, head 0, and sector 1 演示本机磁盘管理信息