What's the content of EFI partition?

MarsHsu

New Member
Nov 30, 2022
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My computer is supermicro with mb X9DRG-QF, its BIOS is 3.3 and I modified the BIOS to support Nvme SSD, I installed the 7.2 with zfs0 on the SSD(only disk when I install the proxmox), and it succuess complete.

When reboot the computer, I can see the ADATA SSD in the boot list, and when I select it to boot, not success!
UEFI-boot-0.jpgUEFI-boot-1.jpgUEFI-boot-2.jpgUEFI-boot-3.jpg
 
I read the document, at 3.12 section, it say boot in UEFI mode the bootloader is systemd-boot, in BIOS mode, will be grub. So I boot into debug mode with the installation USB stick, and mount the nvme0n1p2(it is the EFI partition, right?) to see what's in side.
It show the grab only, is it correct?EFI partition content-1.jpgEFI partition content-2.jpgEFI partition content-3.jpg