Re: help to understand grub steps

[Pádraig Brady]

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.