333mhz Posted April 28, 2012 Share Posted April 28, 2012 I'm using a Mac and I've plugged in an external drive to prepare it. I have a retail CD. (http://www.insanelymac.com/forum/index.php?showtopic=86167&st=0) Step 2 � Installing PC-EFI and making active (bootable) 1. Open Terminal 2. Type the following commands (think here, remember to change the variables which are underlined) : sudo �s (Enter) cd /Volumes/ MACOS /Users/ xxx /Desktop/EFI/pc_efi_v80 (Enter) ./startupfiletool /dev/r disk0s2 ./boot_v8 (Enter) dd if=./guid/boot1h of=/dev/r disk0s2 bs=512 count=1 (Enter) dd if=./guid/boot0 of=/dev/ disk0 bs=400 count=1 (Enter) I was told to run this in terminal with Kalyway but I am not interested in downloading or using that. Does this code affect the computer it is written to? Or does it apply it to the disk specified. I do not understand enough about the commands to know whether the computer running terminal is just changing its boot loader to the specified disk, or whether the disk (rdisk0s2 in this case) is being written to. Thanks. Quote Link to comment https://www.insanelymac.com/forum/topic/278528-pc-efi-install-to-external-drive/ Share on other sites More sharing options...
333mhz Posted April 28, 2012 Author Share Posted April 28, 2012 Nevermind, logically it must have been to the external hard drive. I went ahead and did it and it worked. Quote Link to comment https://www.insanelymac.com/forum/topic/278528-pc-efi-install-to-external-drive/#findComment-1816646 Share on other sites More sharing options...
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