instalation on USB-less and CD-less machines

[Mike McCarty]

Tony Nelson wrote:

>At 1:10 PM -0500 7/8/05, Mike McCarty wrote:
>  
>
>>Tony Nelson wrote:
>>
>>    
>>
>>>What happens if the boot floppy contains just a grub bootsector pointing to
>>>the CD?  (I don't know, I'm asking.)  I think that would qualify as booting
>>>      
>>>
>>>from the floppy as far as the BIOS is concerned.  I expect that the CD
>>    
>>
>>>would have to be set up for grub booting for this to work, however.
>>>
>>>
>>>      
>>>
>>GRUB uses the BIOS to access the discs. So if the BIOS can't read the
>>CD, then neither can GRUB. If the BIOS could read the CD, then there
>>wouldn't be a problem, and he could boot off of a used CD as I suggested.
>>    
>>
>
>Ack.  So "bootable" means the CD is accessable at all through the BIOS, not
>whether it can read a bootsector per se.
>  
>
Not quite. I suppose there could be a BIOS with CD support which did
not also allow Boot from CDROM as an option. I haven't seen any, but
there could be. If that were the case, then having a GRUB floppy which
could lift (using the BIOS) the boot image from the CDROM would
help.

Mike

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