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Re: drivemap and uefi

From: Andrey Borzenkov
Subject: Re: drivemap and uefi
Date: Sat, 10 May 2014 00:09:20 +0400

On Wed, May 7, 2014 at 9:36 PM, Francisco Franchetti <address@hidden> wrote:
> I am not sure if the absence of the drivemap command is due to uefi mode
> booting or if it is due to the version of grub 2 that I have: 2.02beta2-9
> from ubuntu installer.
> Anyone knows why the drivemap command is unavailable? Is it because on a
> normal uefi system the notion is irrelevant?

Yes. drivemap manipulates BIOS drive numbers via BIOS entry points.
Neither exists in case of UEFI.

> I am interested in the knowledge and the drivemap command in itself, but the
> practical application is to boot a win 8 installer and have the hd0 be the
> computer installer, which is showing as hd1 because hd0 is taken by the usb
> installer.

I'm not sure I understand the problem. Could you explain it in more details?

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