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Subject: boot.S vs diskboot.S
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What is the difference between these two files?  It looks like boot.S
contains a BPB and is meant to be used when installing grub to the
partition boot sector of a FAT or NTFS partition, and diskboot.S does
not, and is meant to be used as the MBR.  It looks like boot.S is used
in the MBR anyway though.