f18 RC3 -EFI Boot USB -Boots a MacBook Pro i7

[Thomas Gilliard]

*EFI Boot USB
Acer Aspire One N450 booted to ext USB HD
-Gnome 3.5.5 from RC2 DVD install with RC3 
Fedora-18-Alpha-x86_64-Live-Desktop.iso

*Boots EFI USB on MacBook Pro i7
-power on with "option" button held down
-shows Mac HD  and  then EFI Boot to right

*4GB USB formatted GPT with fat partition /dev/sdb1 in diskutility 
(disks) first
/dev/sdb1 unmounted

--------install syslinux----------------------------------------------------
[root at localhost Desktop]# yum install syslinux
---> Package syslinux.x86_64 0:4.05-4.fc18 will be installed
Installed:
   syslinux.x86_64 0:4.05-4.fc18

-----root terminal write to USB----

[root at localhost Desktop]# ./livecd-iso-to-disk.sh --format --reset-mbr 
--efi  Fedora-18-Alpha-x86_64-Live-Desktop.iso /dev/sdb1
Verifying image...
./livecd-iso-to-disk.sh: line 832: checkisomd5: command not found
Are you SURE you want to continue?
Press Enter to continue or ctrl-c to abort

WARNING: THIS WILL DESTROY ANY DATA ON /dev/sdb!!!
Press Enter to continue or ctrl-c to abort

8 bytes were erased at offset 0x00000200 (gpt): 45 46 49 20 50 41 52 54
8 bytes were erased at offset 0xe74afe00 (gpt): 45 46 49 20 50 41 52 54
Waiting for devices to settle...
mkdosfs 3.0.12 (29 Oct 2011)
Copying live image to target device.
squashfs.img
    749326336 100%    3.18MB/s    0:03:44 (xfer#1, to-check=0/1)

sent 749417881 bytes  received 31 bytes  3323361.03 bytes/sec
total size is 749326336  speedup is 1.00
osmin.img
         8192 100%    0.00kB/s    0:00:00 (xfer#1, to-check=0/1)

sent 8265 bytes  received 31 bytes  16592.00 bytes/sec
total size is 8192  speedup is 0.99
Setting up /EFI/BOOT
Updating boot config file
Installing boot loader
Target device is now set up with a Live image!
[root at localhost Desktop]#