Problem with Macboot on Yosemite

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I am trying to prepare my SD cards with ML for my T5i. I have done this a million times before (but not recently). I am using the macboot terminal command because of a permissions problem which arose on OSX Mavericks. I am presently running Yosemite.

Every time I try, Macboot scans my system and concludes "There are no suitable cards."

I have tried with all of my cards, both in the SD slot and with a usb adapter. It simply does not recognize that there is an SD card ready to prepare.

And yes, it's scanning for max 128gb and I'm using 64gb cards.

What could be wrong? Please help me format these. Thanks!


Edit:
BTW when I try the dropdown to select a card drive, there are no options.

Here's what it says:

Command 'sw_vers | grep ProductVersion | awk '{print $2}'' = '10.10.3'
   return code was 0
Command 'sw_vers | grep Build | awk '{print $2}' | sed s/[A-Z]/\ /g | awk '{print $1}'' = '14'
   return code was 0
maxsize=128000 testsize=140000 (128GB)
Scanning for suitable cards (128GB or less) ...
Command 'df | grep -e "/$" | sed s/[s/]/\ /g | awk '{print $2" "$3 }' | sed s/\ /s/g' = 'disk1'
   return code was 0
Command 'diskutil info disk0 | awk '/Total Size:/ {print    $3}'' = '500.1'
   return code was 0
Command 'diskutil info disk0 | awk '/Total Size:/ {print    $4}'' = 'GB'
   return code was 0
checking j=500000 k=500 testisize=140000 disk s= 'GB'
Disk 0 is too big (size=500GB)
Command 'diskutil info disk1 | awk '/Total Size:/ {print    $3}'' = '498.9'
   return code was 0
Command 'diskutil info disk1 | awk '/Total Size:/ {print    $4}'' = 'GB'
   return code was 0
checking j=499000 k=499 testisize=140000 disk s= 'GB'
Skipping system disk ...
Command 'diskutil info disk2 | awk '/Total Size:/ {print    $3}'' = '2.0'
   return code was 0
Command 'diskutil info disk2 | awk '/Total Size:/ {print    $4}'' = 'TB'
   return code was 0
checking j=2000000 k=2 testisize=140000 disk s= 'TB'
Disk 2 is too big (size=2000GB)
Command 'diskutil info disk3 | awk '/Total Size:/ {print    $3}'' = '2.0'
   return code was 0
Command 'diskutil info disk3 | awk '/Total Size:/ {print    $4}'' = 'TB'
   return code was 0
checking j=2000000 k=2 testisize=140000 disk s= 'TB'
Disk 3 is too big (size=2000GB)
Command 'diskutil info disk4 | awk '/Total Size:/ {print    $3}'' = '4.0'
   return code was 0
Command 'diskutil info disk4 | awk '/Total Size:/ {print    $4}'' = 'TB'
   return code was 0
checking j=4000000 k=4 testisize=140000 disk s= 'TB'
Disk 4 is too big (size=4000GB)
Command 'diskutil info disk5 | awk '/Total Size:/ {print    $3}'' = '2.0'
   return code was 0
Command 'diskutil info disk5 | awk '/Total Size:/ {print    $4}'' = 'TB'
   return code was 0
checking j=2000000 k=2 testisize=140000 disk s= 'TB'
Disk 5 is too big (size=2000GB)
Command 'diskutil info disk6 | awk '/Total Size:/ {print    $3}'' = '500.1'
   return code was 0
Command 'diskutil info disk6 | awk '/Total Size:/ {print    $4}'' = 'GB'
   return code was 0
checking j=500000 k=500 testisize=140000 disk s= 'GB'
Disk 6 is too big (size=500GB)
Command 'diskutil info disk7 | awk '/Total Size:/ {print    $3}'' = '5.0'
   return code was 0
Command 'diskutil info disk7 | awk '/Total Size:/ {print    $4}'' = 'TB'
   return code was 0
checking j=5000000 k=5 testisize=140000 disk s= 'TB'
Disk 7 is too big (size=5000GB)
Command 'diskutil info disk8 | awk '/Total Size:/ {print    $3}'' = '3.0'
   return code was 0
Command 'diskutil info disk8 | awk '/Total Size:/ {print    $4}'' = 'TB'
   return code was 0
checking j=3000000 k=3 testisize=140000 disk s= 'TB'
Disk 8 is too big (size=3000GB)
Command 'diskutil info disk9 | awk '/Total Size:/ {print    $3}'' = '2.0'
   return code was 0
Command 'diskutil info disk9 | awk '/Total Size:/ {print    $4}'' = 'TB'
   return code was 0
checking j=2000000 k=2 testisize=140000 disk s= 'TB'
Disk 9 is too big (size=2000GB)
There are no suitable cards

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Nevermind, Walter Schulz saved me in another thread.