Re: help to understand grub steps

[myfreneticvisions-grub]

hi Pàdraig!
tnx for your answer! your link it's very useful!
but now i have other questions:
why does bios need to load first stage 1 in the mbr?can't it load directly stage 1.5 since it knows where is the boot filesystems?


Pádraig Brady <address@hidden> ha scritto:
>  address@hidden wrote:
> > hello everyone!
> > i have a few questions about grub steps!
> > i know that when i start the pc:
> > 1-the cpu loads the bios
> > 2-bios controls that every component is functional and loads the stage 1
> > that is stored in the MBR
> > 3-stage 1 loads the stage 2 that is stored somewhere in the hd
> > 4-stage 2 show to the user the Operating systems available and let the
> > user select the one he wants, then it loads Kernel, initrd and other
> > stuf related to the OS
>  selected.
> >  
> > these steps are right?
> >  
> > i know that exists also a stage 1.5 placed after the bios step
> >  
> > 2-bios loads stage 1.5 when the stage 1 stored in MBR is not available
> > (why not?), stage 1.5 is located exactly after the MBR and once loaded
> > it reads and load the stage 2 and so on...
> >  
> > is it right?
>
> This might help:
> http://www.pixelbeat.org/docs/disk/
>
> Pádraig.
>
>
> _______________________________________________
> Grub-devel mailing list
> address@hidden
> http://lists.gnu.org/mailman/listinfo/grub-devel

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