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Re: Grub2 booting Dell Diagnostics

From: Ben Hildred
Subject: Re: Grub2 booting Dell Diagnostics
Date: Thu, 5 Mar 2015 14:57:00 -0700

For the moment remove the Search lines. they are probably using the wrong partition Id. If that works, you can take the effort to find out what the proper id is, and put them back.

On Thu, Mar 5, 2015 at 11:56 AM, Ole Reier Ulland <address@hidden> wrote:
I have sent this e-mail to address@hidden without getting any useful
replies, so now I try this e-mail-address.

The computer is a Dell Dimension 8300, with a SATA HDD with Grub2, Linux and
data partition, and a IDE HDD with Dell Diagnostics, Windows and data

I had to give up on Grub because Grub seems not to be able to boot Windows on
a different HDD than where the Grub is, and bios is not able to start Grub on
an IDE HDD when there is a SATA HDD.

I attempt to have the "Dell Diagnostics" partition to be bootable from Grub2

Grub2 produces an option for booting Windows in the menu that is not in the
/boot/grub2/custom.cfg file. What I have done is to make a copy of the
automatically produced menu entry and made one myself in the custom.cfg file.
An identical copy booted Windows. So now is the question of how to change it
so it will boot the other partition on the same HDD. I changed the menu line,
"msdos2" to "msdos1" since I am now booting the first partition and not the
second, and the UUID. I believe those to be correct, but what remains is the
file system type.

QUOTE from /boot/grub2/custom.cfg,

menuentry 'Dell Diagnostics (on /dev/sda1)' {
    insmod part_msdos
    insmod fat
    set root='hd0,msdos1'
    if [ x$feature_platform_search_hint = xy ]; then
        search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos1 --hint-
efi\=hd0,msdos1 --hint-baremetal=ahci0,msdos1 O7D4-0318
        search --no-floppy --fs-uuid --set=root 07D4-0318
    drivemap -s (hd0) ${root}
    chainloader +1


When Grub2 boots Mageia4 on file system id "83" (Linux) the menu says, "insmod
When Grub2 boots Windows on file system id "7" (HPFS/NTFS/exFAT) the menu
says, "insmod ntfs".
What shall I then use in the menu in "insmod xxx" when I want to boot Dell
Diagnostics on file system id "de" (Dell Utility)? Unless this booting needs
something else, that the Windows partition did not need, it is not "fat",
"vfat" nor "DellUtility".

As the menu entry is right now it only causes the computer to restart.


Ole Reier Ulland

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Ben Hildred
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