Archived - Intel-based Macs: "You have inserted a disk containing no volumes that Mac OS X can read" alert message
Summary
Intel-based Mac's volumes don't appear on Mac OS X 10.3.9 or earlier
If you attempt to mount an Intel-based Mac in Target Disk Mode on a Macintosh running Mac OS X 10.3.9 or earlier, you'll see an alert message that says "You have inserted a disk containing no volumes that Mac OS X can read."
Products Affected
Mac Pro, Mac mini (Early 2006), Mac mini (Late 2006), Mac mini (Mid 2007), MacBook, MacBook Air, MacBook Pro, iMac (17-inch, Late 2006 CD), iMac (17-inch, Late 2006), iMac (20-inch, Mid 2007), iMac (24-inch Mid 2007), iMac (24-inch, Late 2006), iMac (Early 2006 17-inch), iMac (Early 2006 20-inch), iMac (Mid 2006 17-inch)
Click the Eject or Ignore buttons to dismiss the dialog. Mac OS X 10.3.9 or earlier cannot mount volumes from an Intel-based Mac in Target Disk Mode.
However, if a computer running Mac OS X 10.3.9 or earlier is connected to an Intel-based Mac and started up in Target Disk Mode, its volume(s) appear as expected on the Intel-based Mac.
Format Intel-based Mac's startup volumes only from another Intel-based Mac
If you want to format an Intel-based Mac's volume(s) while it is started in TDM, and you intend to use the formatted volume as a startup volume, be sure that it is connected to another Intel-based Mac, then use Disk Utility to erase the disk before you repartition the drive.
Important: If you format the Intel-based Mac's volume using a PowerPC-based Mac, Disk Utility will successfully format the disk but you will not be able to start the Intel-based Mac from it.
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