booting an external disk via grub

[Mikkel L. Ellertson]

Markus Kesaromous wrote:
> Since my bios does not support booting from a USB stick,
> how can I modify my grub, so that it will boot from memory stick.
> My main internal (laptop) drive has 1indows in partition 1
> and Fedora 7 in partition 2. Grub  lets me select either linux
> or windows. But any external bootable device connected
> to the laptop either via usb or sata (cardbus) is totally invisible
> to bios and to grub.
> So, my question to the list is: What should be added to grub
> menus so that it can boot from external device?
> Could someone show a grub entry example of booting
> an external device that is invisible to BIOS?
> What about the OS on the external disk that we are trying to boot?
> Is there something that needs to be done to it so that the id
> it assigns to itself is same as that assigned to it by grub?
> (i.e such as hd0 or hd1, ...etc).
> 
> Thanx for your help.
> 
Because Grub uses the BIOS to access the disk, if your BIOS does not 
see the USB stick, Grub can not access it directly. The methods John 
pointed out are your best bet.

One other thing you can look into is if there is an updated BIOS 
available for your machine.

Mikkel
-- 

   Do not meddle in the affairs of dragons,
for thou art crunchy and taste good with Ketchup!

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