On 14/09/2023 02:35, Bret Busby wrote:
So, Legacy BIOS can be used to install operating systems, on the same
"hard drive", that has a UEFI installed operating system, and, that has
an EFI partition.
That is, on computers that have Legacy BIOS available.
Not playing Monty Python with you
On 14/9/23 02:56, Pascal Hambourg wrote:
On 13/09/2023 à 20:46, Bret Busby wrote:
On 13/9/23 18:01, Pascal Hambourg wrote:
On 13/09/2023 at 11:47, Goh Lip wrote:
A bios-grub and a efi-grub residing in the same disk? Possible?
Yes. BIOS-GRUB in the MBR and the BIOS boot partition, EFI-GRUB
On 13/09/2023 à 20:46, Bret Busby wrote:
On 13/9/23 18:01, Pascal Hambourg wrote:
On 13/09/2023 at 11:47, Goh Lip wrote:
A bios-grub and a efi-grub residing in the same disk? Possible?
Yes. BIOS-GRUB in the MBR and the BIOS boot partition, EFI-GRUB in the
EFI system partition.
You might
On 13/9/23 18:01, Pascal Hambourg wrote:
On 13/09/2023 at 11:47, Goh Lip wrote:
On 9/13/23 15:15, Andrei Borzenkov wrote:
On Wed, Sep 13, 2023 at 9:53 AM Goh Lip wrote:
You cannot mix efi and legacy install in the same disk
You most certainly can as long as you have some way to select
On 13/9/23 15:15, Andrei Borzenkov wrote:
On Wed, Sep 13, 2023 at 9:53 AM Goh Lip wrote:
You cannot
mix efi and legacy install in the same disk
You most certainly can as long as you have some way to select the boot
method. You cannot use the same partition both as ESP and BIOS_grub,
that's
On 13/09/2023 at 14:22, Goh Lip wrote:
On 13/09/2023 18:01, Pascal Hambourg wrote:
Yes. BIOS-GRUB in the MBR and the BIOS boot partition, EFI-GRUB in the
EFI system partition.
Yes, this can be done. But how do we boot in one instance in UEFI and
then in another in bios-legacy?
Do we need
On 13/09/2023 18:01, Pascal Hambourg wrote:
Yes. BIOS-GRUB in the MBR and the BIOS boot partition, EFI-GRUB in the
EFI system partition.
Yes, this can be done. But how do we boot in one instance in UEFI and
then in another in bios-legacy?
Do we need to go to computer bios-setup each time
On 13/09/2023 at 11:47, Goh Lip wrote:
On 9/13/23 15:15, Andrei Borzenkov wrote:
On Wed, Sep 13, 2023 at 9:53 AM Goh Lip wrote:
You cannot mix efi and legacy install in the same disk
You most certainly can as long as you have some way to select the boot
method.
Right.
From a boot
On Wed, Sep 13, 2023 at 12:48 PM Goh Lip wrote:
>
>
>
> On 9/13/23 15:15, Andrei Borzenkov wrote:
> > On Wed, Sep 13, 2023 at 9:53 AM Goh Lip wrote:
> >> You cannot
> >> mix efi and legacy install in the same disk
> >
> > You most certainly can as long as you have some way to select the boot
> >
On 9/13/23 17:47, Goh Lip wrote:
What OP can do now is to make this disk fully uefi (without reinstalling
OS). Create a /boot/efi partition (or use this bios_grub - partition is
big enough), make a /boot/efi entry in /etc/fstab. Redo grub-install (in
uefi).
Oh, make sure mount that
On 9/13/23 15:15, Andrei Borzenkov wrote:
On Wed, Sep 13, 2023 at 9:53 AM Goh Lip wrote:
You cannot
mix efi and legacy install in the same disk
You most certainly can as long as you have some way to select the boot
method. You cannot use the same partition both as ESP and BIOS_grub,
On Wed, Sep 13, 2023 at 9:53 AM Goh Lip wrote:
> You cannot
> mix efi and legacy install in the same disk
You most certainly can as long as you have some way to select the boot
method. You cannot use the same partition both as ESP and BIOS_grub,
that's true.
On 12/09/2023 06:51, Moses Gold wrote:
The BIOS_grub GUID signature:
"48 61 68 21 49 64 6F 6E 74 4E 65 65 64 45 46 49 -- Hah!IdontNeedEFI"
is contained within my EFI partition after a recent grub install (grub and
EFI added during same Linux installation). Specifically, the EFI partition
On Tue, Sep 12, 2023 at 11:41 AM Moses Gold wrote:
Looks like sector one of the drive is just part of the GPT
partition table scheme and not an EFI partition itself.
Correct. Sector 1 contains the main GPT header.
Sector 2 looks like
the beginning of the BIOS boot partition with the grub
If after booting Linux a directory "efi" is present in /sys/firmware, the
system booted EFI. If the directory is not present, it booted legacy BIOS.
I will leave diagnosis of what's going on with your computer and why to its
administrator.
On Tue, Sep 12, 2023 at 11:41 AM Moses Gold wrote:
>
A BIOS boot partition would not typically have a file system. Why both a
GUID signature associated with legacy BIOS boot and an efi executable would
be on a partition labelled as a BIOS boot partition is a mystery to me.
What is your goal?
On Tue, Sep 12, 2023 at 7:31 AM Moses Gold wrote:
>
On 12/09/2023 at 00:51, Moses Gold wrote:
The BIOS_grub GUID signature:
"48 61 68 21 49 64 6F 6E 74 4E 65 65 64 45 46 49 -- Hah!IdontNeedEFI"
is contained within my EFI partition after a recent grub install (grub and
EFI added during same Linux installation). Specifically, the EFI partition
EF02 is a BIOS boot partition.
On Mon, Sep 11, 2023 at 6:04 PM Moses Gold wrote:
> The BIOS_grub GUID signature:
> "48 61 68 21 49 64 6F 6E 74 4E 65 65 64 45 46 49 -- Hah!IdontNeedEFI"
> is contained within my EFI partition after a recent grub install (grub and
> EFI added during same Linux
On 12.09.2023 01:51, Moses Gold wrote:
The BIOS_grub GUID signature:
"48 61 68 21 49 64 6F 6E 74 4E 65 65 64 45 46 49 -- Hah!IdontNeedEFI"
is contained within my EFI partition after a recent grub install (grub and
EFI added during same Linux installation). Specifically, the EFI partition
begins
The BIOS_grub GUID signature:
"48 61 68 21 49 64 6F 6E 74 4E 65 65 64 45 46 49 -- Hah!IdontNeedEFI"
is contained within my EFI partition after a recent grub install (grub and
EFI added during same Linux installation). Specifically, the EFI partition
begins at sector 1 of my boot device
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