Original sentence: On Apple's Intel-based Macintosh computers, the EFI partition can be deleted without ill effect.The system will still boot, and the boot manager will still allow users to choose whether to start a Boot Camp partition or the default Mac OS X.This could indicate that Apple does not yet take advantage of all the possible uses of the 200MB EFI partition on Intel-based Macs
Edited sentence: If deleted, the system will still boot, and the boot manager will still allow users to choose whether to start a Boot Camp partition or the default Mac OS X, but firmware updates will fail.On Apple's Intel-based Macintosh computers, the EFI partition is used as a staging area for firmware updates