[ghosTunix.org] Re: [ghosTunix.org] Re: [ghosTunix.org] Re: [ghosTunix.org] Re: [ghosTunix.org] Re: [ghosTunix.org]关于linux引导程序的概念

  • From: "Thomas X. Iverson" <txi@xxxxxxxxxxxxx>
  • To: ghostunix@xxxxxxxxxxxxx
  • Date: Mon, 28 Apr 2008 12:13:14 +0800

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

Other related posts:

  • » [ghosTunix.org] Re: [ghosTunix.org] Re: [ghosTunix.org] Re: [ghosTunix.org] Re: [ghosTunix.org] Re: [ghosTunix.org]关于linux引导程序的概念