Re: XP, 8.1 and UEFI with grub2?

["Vladimir 'φ-coder/phcoder' Serbinenko" <phcoder@gmail.com>]

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On 08.04.2014 03:48, SevenBits wrote:
> On Monday, April 7, 2014, <coifed48641@mypacks.net
> <mailto:coifed48641@mypacks.net>> wrote:
> 
>     Grub Gurus
> 
>     Perhaps this is good timing for this
>     question.  I hope I am asking it in the right place.  I have been
>     using Ubuntu and XP multiboot for quite some time and using Ubuntu
>     more and XP less.  With support for XP expiring April 8 I would like
>     to stop using it while connected to the internet.  My goal is to
>     multiboot XP, Ubuntu and 8.1 on the same 64 bit new machine.
> 
> 
> 
>     My question is if XP requires legacy
>     BIOS and it is available (?) but 8.1 requires UEFI (?) does this
>     prevent grub2 from accessing the three OSs from a single menu.  Can
>     Grub2 switch between legacy BIOS and UEFI or does this require a
>     process like changing BIOS settings?
> 
> 
> This is determined by your firmware, and not by GRUB.
Not fully true. You can switch from EFI to BIOS but exact function
depends on exact EFI vendor. GRUB currently knows only how to do it on
macs (see appleloader).
> Most hardware that can run XP probably can't run Windows 8.1 AFAIK.
>  
Quite the opposite. Most computers with enough power can run both.

In general please don't propagate misinformation.


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