On 12/2/18 12:48 pm, Samuel Sieb wrote:
On 02/11/2018 01:19 PM, Stephen Morris wrote:
> Just further to this, I have checked my boot order in the bios and it
> is set to SSD, CDROM, UEFI: Builtin efi shell.
> If at boot time I display the boot menu it shows this as SSD, HARD
> DISK 1, HARD DISK 2, CDROM 1, CDROM 2, UEFI: Builtin efi shell, with
> SSD being the default boot device.
So you do have an EFI system. You're just booting it by default as
CSM. Better not to remove those packages then. :-)
> Also in the bios Security section I have Secure Boot explicitly
> disabled, and the bios also says that Secure Boot can only be used if
> the system is in 'User Mode'.
Why are you mentioning this? Secure Boot is optional for EFI. You can
still boot in EFI mode whether secure boot is enabled or not. But you
can't use secure boot if you boot in CSM mode.
I was mentioning this because I thought Secure Boot was EFI (especially
when enabling Secure Boot provides me with an option to load default
keys if I want to). Also unlike my previous motherboard where the Bios
provided me with options to run the system in Legacy Mode, UEFI mode or
UEFI first then Legacy, and provide a drag and drop method for boot
ordering between Legacy or UEFI devices, the motherboard I am using now
does not provide any indication that UEFI is available and whether or
not I want to use it, other than the Shell boot order option (which is
nothing more than a shell that has to be exited from to actually boot to
the grub menu) and the Secure Boot option which I have never seen on any
previous motherboard I've had. Hence my assumption, which may be
completely wrong, was that whether I was booting UEFI or not was
determine by whether I had Secure Boot enabled or not. I was also
assuming that as F27 is a double upgrade from F26 that was installed and
run in non-UEFI mode (I don't have any efi partitions for any of the 3
operating systems I'm running on this machine) it is running in Legacy mode.
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