By bringing up the EFI shell, a command line environment, you can perform a variety of emergency system maintenance tasks and advanced configurations. Your MacBook Pro's EFI is capable of much more than just selecting the medium from which to boot up.No matter what is tried, the install media is only accessible over legacy CSM (Compatibility Support Module). 0006627: Any CentOS image (Minimal CD, DVD, etc.) will not boot / install in EFI mode at Apple (EFI) computer: Description: I attempted to install CentOS 6.4 / FreePBX on a Mac Mini 2011 which use 'Apple EFI implementation' to boot.This RC3 build is a small update to RC2, but we’re providing the long-awaited proper Snow Leopard extensions loading and a few fixes like 1TB+ disk addressing support. Chameleon 2.0-RC3 with Snow Leopard and Large Disk support.Download the latest versions of free software, drivers, trial versions, installers and utilities for your EFI digital printers and productivity software.All Windows operating systems use BIOS, while MacBook computers use an equivalent called EFI, or Extensible Firmware Interface. A system's BIOS, or Basic Input/Output System, is a software chip in a computer's motherboard that determines how the operating system functions.
