2008/4/28 tan dake <tandake@xxxxxxxxx>: > 查了一下,关于MBR的定义网上似乎有两种不同说法 > > A Master Boot Record (MBR), or partition sector, is the 512-byte boot sector > that is the first sector ("Sector 0") of a partitioned data storage > device。。。 > > The first sector of a hard drive (cylinder 0,header 00, sector 1) is the > master boot record(MBR) sector. It includes 446 bytes of boot code,the disk > partition table (DPT), and a 2-byte end flag (0x55AA). The MBR is > independent of the operating system and is followed by 62 system reserved > sectors, > > 这样来看,bmr就是整个第一个扇区,512字节~~~ > > 2008/4/28 tan dake <tandake@xxxxxxxxx>: > > > > Master Boot Record(MBR)在硬盘的第一个物理扇区 > 中。也有人把MBR叫作"主引导扇区",但是我认为这种说法并不准确,MBR是主引导扇区的前面446个字节,接下来64个字节是硬盘的分区信息,最后还 > 有两个字节是分区的结束标志。这整个512字节才是主引导扇区。 > > > > > > 2008/4/27 Zhang Hang <superman@xxxxxxxxxxxxx>: > > > > > > > > > > > > > > > > > > > > > > > 在 2008-4-27,下午4:14, LI Daobing (李道兵) 写道: > > > > > > > > > 2008/4/27 hzy@xxxxxxxxxx <hzy@xxxxxxxxxx>: > > > > > > > > > > > > > > > > > > MBR是Main Boot Record,是一个512kb的扇区,分区表(Partition Table)不在MBR中! > > > > > > > > > MBR 大小好像是 512 byte > > > -------------------------------------------- 对 > > > > > > > > > -- > > > Best Regards, > > > LI Daobing > > > > > > > > > > > > > > -- > > DerekTan > > Mobile:15900690080 > > tandake@xxxxxxxxx > > > > > -- > DerekTan > Mobile:15900690080 > tandake@xxxxxxxxx 它本来就是一个扇区,不过有朋友跟我说好象不包含分区表的信息,但我觉得应该是包含的 -- Keep It Simple Stupid http://blog.ghostunix.org ghosTM55