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Re: Using efi image on USB stick

From: Vladimir 'φ-coder/phcoder' Serbinenko
Subject: Re: Using efi image on USB stick
Date: Tue, 18 May 2010 13:25:10 +0200
User-agent: Mozilla-Thunderbird (X11/20091109)

Colin Watson wrote:
> On Mon, May 17, 2010 at 11:48:12PM +0200, Vladimir 'φ-coder/phcoder' 
> Serbinenko wrote:
>> Thanks to Seth Goldberg's and Jordan Uggla's testing it was discovered
>> how to make same iso bootable on EFI as both cdrom and usb stick. For
>> this it's needed in addition to el-torito to add a partition table with
>> a partition type 0xef pointing to the EFI image.
> I ran across the
> other day, which says that a number of BIOSes fail to handle multiple El
> Torito boot images correctly.  You seem to be taking a somewhat
> different approach; does it avoid this problem?
We still need 2 El Torito images. I was just discussing how to make it
bootable when dd'ed to USB stick. We keep BIOS El-torito image first in
catalog so buggy BIOSes should still handle it correctly.
>   I don't know how well
> BIOSes handle MBR partition tables on CD-ROMs.
We and syslinux did it previously with no apparent problems

Vladimir 'φ-coder/phcoder' Serbinenko

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