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Re: Can Grub Boot Through a USB Port on an Old PC?

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On Tue 23 Jul 2019 at 10:37:46 -0500, Martin McCormick wrote:

> Pascal Hambourg <pascal@plouf.fr.eu.org> writes:
> > Le 23/07/2019 à 04:53, Martin McCormick a écrit :
> 
> > Do you mean that GRUB is installed on an internal drive ?
> 
> Yes.
> 
> > By default, GRUB relies on the BIOS disk services to access drives. But it
> > also has native ATA and USB drivers which are not loaded by default. See
> > the 'nativedisk' command.
> > 
> > 
> > 
> > Be aware that loading native drivers switches GRUB to a new different 
> > world
> > : BIOS drives (hdX) will not be available any more and environment
> > variables pointing at drives such as $root and $prefix will need to be
> > updated with native drive names (ataX, usbX...).
> 
> Thanks again for the heads up.

I tried the nativedisk command of GRUB some years ago but cannot
recollect in any detail whether it solved my issue with three machines
unable to boot from a USB stick. I went back to using Plop with GRUB
either because nativedisk didn't help or because Plop is an easy to
implemennt solution.

  https://www.plop.at/

-- 
Brian.

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Thread

Can Grub Boot Through a USB Port on an Old PC? "Martin McCormick" <martin.m@suddenlink.net> - 2019-07-23 05:00 +0200
  Re: Can Grub Boot Through a USB Port on an Old PC? David Christensen <dpchrist@holgerdanske.com> - 2019-07-23 05:10 +0200
  Re: Can Grub Boot Through a USB Port on an Old PC? Patrick Bartek <nemommxiv@gmail.com> - 2019-07-23 05:40 +0200
  Re: Can Grub Boot Through a USB Port on an Old PC? Pascal Hambourg <pascal@plouf.fr.eu.org> - 2019-07-23 07:20 +0200
    Re: Can Grub Boot Through a USB Port on an Old PC? "Martin McCormick" <martin.m@suddenlink.net> - 2019-07-23 17:40 +0200
      Re: Can Grub Boot Through a USB Port on an Old PC? Brian <ad44@cityscape.co.uk> - 2019-07-23 18:40 +0200
      Re: Can Grub Boot Through a USB Port on an Old PC? Pascal Hambourg <pascal@plouf.fr.eu.org> - 2019-07-23 20:30 +0200
        Re: Can Grub Boot Through a USB Port on an Old PC? Pascal Hambourg <pascal@plouf.fr.eu.org> - 2019-07-23 20:40 +0200
        Re: Can Grub Boot Through a USB Port on an Old PC? "Martin McCormick" <martin.m@suddenlink.net> - 2019-07-23 23:40 +0200
        Re: Can Grub Boot Through a USB Port on an Old PC? "Martin McCormick" <martin.m@suddenlink.net> - 2019-07-25 19:40 +0200
          Re: Can Grub Boot Through a USB Port on an Old PC? Andrei POPESCU <andreimpopescu@gmail.com> - 2019-07-25 20:20 +0200
            Re: Can Grub Boot Through a USB Port on an Old PC? Tixy <tixy@yxit.co.uk> - 2019-07-25 21:30 +0200
              Re: Can Grub Boot Through a USB Port on an Old PC? "Martin McCormick" <martin.m@suddenlink.net> - 2019-07-26 04:30 +0200
                Re: Can Grub Boot Through a USB Port on an Old PC? Tixy <tixy@yxit.co.uk> - 2019-07-26 09:50 +0200

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