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  • From: "tan dake" <tandake@xxxxxxxxx>
  • To: ghostunix@xxxxxxxxxxxxx
  • Date: Mon, 28 Apr 2008 13:53:07 +0800

2008/4/28 Thomas X. Iverson <txi@xxxxxxxxxxxxx>:

> 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
>

如果是一个扇区的话,那肯定包含了分区表信息了。
可以把第一个扇区的内容dump出来看.

>
> --
> Keep It Simple Stupid
>
> http://blog.ghostunix.org
>
> ghosTM55
>



-- 
DerekTan
Mobile:15900690080
tandake@xxxxxxxxx

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