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BIOS_grub GUID signature within an EFI partition?


From: Moses Gold
Subject: BIOS_grub GUID signature within an EFI partition?
Date: Mon, 11 Sep 2023 16:51:21 -0600

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 /dev/nvme0n1 and the BIOS_grub
signature appears at sector 2. gdisk says the following:

Number  Start (sector)    End (sector)  Size       Code  Name
   1            2048         1628159   794.0 MiB   EF02

Is this the normal predicted configuration of BIOS_grub with an EFI
partition?


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