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Friday, December 12, 2008

Target Disk Mode Instructions

How to Connect Two Macs using FireWire and Target Disk Mode
FireWire Target Disk Mode allows two Macintosh computers to be connected to each other using a 6-pin FireWire cable, resulting in one computer's desktop showing both hard drives.
 
Host:
The computer that will be mounting the second hard drive is also called the Host machine. In the following example, the Host machine is (COMPUTER #1).
 
Target:
The computer that will be connecting to Host machine is called the Target machine. In the following example, the Target machine is (COMPUTER #2).
 
Make sure the Target (COMPUTER #2) computer is turned-off.
Important: Disconnect all other FireWire cables and devices.
 
Turn on the Host (COMPUTER #1) computer.
Plug in the 6-pin to 6-pin FireWire Cable into both the Host and Target computers.
 
While holding down the "t" key on the Target's (COMPUTER #2) keyboard, turn on the Target (COMPUTER #2) computer. Continue to hold down the "t" key until you see a FireWire icon floating on the screen
The icon of the Target's (COMPUTER #2) hard drive will appear on the desktop of the Host (COMPUTER #1) machine. At this point, you can transfer files or copy directories to and from both drives, just as you would with any other disk, i.e. a Zip Disk.
 
Once you've completed copying files, drag the Target's (COMPUTER #2) Hard Drive to the trash can to un-mount the volume. Alternatively, you can click on the Target's (COMPUTER #2) Hard Drive once to select it, then using the Menubar, go to File/Put Away.
 
Press the power button on the Target (COMPUTER #2) computer to turn it off.
Unplug the 6-pin to 6-pin FireWire Cable from both machines.
When you hold down the "t" key and turn on the Target (COMPUTER #2), the screen will have a floating FireWire - similar to below:
 
On the Host (COMPUTER #1) machine you will see two drives mount on the desktop, the second drive icon belongs to the Target (COMPUTER #2).
 

Here's How You Do It (another set of instructions)

1. Apple says that you should unplug all other FireWire devices from both computers. TDM works whether you do this or not but there may be a "hidden" technical reason so I advise doing as Apple says and disconnecting all FireWire devices before initiating TDM.

2. Make sure that the Target Mac (COMPUTER #2) is turned off. (The Host (COMPUTER #1) doesn't need to be turned off.)

3. Use your FireWire (6-pin to 6-pin) cable and connect the two Macs.

4. Start up the Target Mac (COMPUTER #2), while you hold down the "t" key. You can release the t as soon as the FireWire icon appears. The screen will be a solid color -- blue, green or gray -- and the FireWire icon will be the only thing visible. It's a little scary the first time; but what isn't? The FW icon sort of bounces around the screen but don't worry, this is normal. The hard drive of the Target Mac (COMPUTER #2), should appear on the desktop of the Host Mac. If it doesn't, restart the Host (COMPUTER #1) and it will show up.

5. Now that the Target Mac's (COMPUTER #2), drive is "in" the Host Mac (COMPUTER #1) you can put whatever you need to transfer into the new folder you've created there. Either click and drag to copy it or create and save it there. If you're transferring a FCP movie and it's over 15 minutes long have lunch or something because even though it's a lot faster than ethernet it'll still take a while to copy.

6. When you are finished copying files, drag the Target Mac's (COMPUTER #2), HD icon to the Host Mac's (COMPUTER #1) Trash or select "Put Away" from the OS 9 File menu or "Eject" from the OS X File menu. Very important; Don't forget this step because if you simply leave TDM (by turning off the Target Mac (COMPUTER #2)) before doing it you can lose files.

7. Here's a step that gave me pause but when you think about it, it's the only available method: Use the Target Mac's (COMPUTER #2), power button to turn it off. See, there's no desktop or toolbar, just the colored screen with the FireWire icon so the power button is the only way.

8. Unplug the 6 to 6 FireWire cable from both Macs.

Now you're back to normal so plug in all the FireWires for both Macs back where they belong during regular operation and you're done with the transfer.

Startup the (former) Target Mac (COMPUTER #2), open the transferred files. If you transferred a FCP movie, make sure it's okay. If it is (which it should be) you're ready to burn. BTW, the iDVD Help files imply that you need to make a QuickTime version to use iDVD. You don't. Self-contained FCP movies work just fine.

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