Technical issues/questions of an intermediate or advanced nature.
7 posts • Page 1 of 1
So it has to be an EFI system partition, which is not FAT, but derived from FAT. :-)The EFI system partition needs to be formatted with a file system whose specification is based on the FAT file system and maintained as part of the UEFI specification; therefore, the file system specification is independent from the original FAT specification. The globally unique identifier (GUID) for the EFI system partition in the GUID Partition Table (GPT) scheme is C12A7328-F81F-11D2-BA4B-00A0C93EC93B, while its ID in the master boot record (MBR) partition-table scheme is 0xEF. Both GPT- and MBR-partitioned disks can contain an EFI system partition, as UEFI firmware is required to support both partitioning schemes. Also, El Torito bootable format for CD-ROMs and DVDs is supported.
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Thanks tagon. But somewhere someone wrote that the standard isn't enforced or something and the EFI partition can be NTFS or other format. I think they even said they had done it and it worked. Unfortunately I don't remember who or where and I apparently didn't bookmark the site.