IP over Firewire Clobbering

Hi, I'm using an iMac DV running 10.4.6. It has a fried Ethernet jack, so I used to use a PowerBook G3 and do IP over Firewire Internet sharing. This worked great until I purchased an external Iomega 250GB HDD drive, and started using that as my iMac's boot disk. Now when I try to do this, the iMac locks up when the laptop is connected via Firewire and won't stop until I've unplugged the laptop. How can I get this setup to work and/or what other solutions do I have?
Possibly Relevant Fact: Before I was using the external drive as a boot disk, when I would plug my iPod into my iMac (using Firewire) while I was using Firewire Internet sharing, it would appear on the laptop, not the iMac.
iMac DV Special Edition Mac OS X (10.4.6)

Yes, I did this when I didn't have the external Firewire boot drive, and it worked correctly. My problem is that it freezes the iMac when I go to connect the two machines via a Firewire cord, regardless of whether Internet sharing is enabled. This is probably a more hardware/firmware-oriented problem, but I'm not really sure how to classify it.
iMac DV Special Edition Mac OS X (10.4.6)

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http://store.apple.com/us/product/M9688G/A
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Hardware Initially:
• g5 QUAD and 2 x MBP Dual Core 15's + 1 x MBPDC 17inch.
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• G5 QUAD GBE2 connected to #2 x MBPDC 15 on its EN0 with cable
• G5 QUAD FW0 connected to 1 x MBPDC 17 on its FW1 with 6 pin FW cable
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SETUP#1- problem symptoms
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• PROBLEM was only G5(controller+services) and TWO of the services nodes (MBPDC's) were processing - NEVER all three! It didn't seem to matter what IP path was onnected (EN or FW).
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so..
HARDWARE SET UP #2 and what worked first time!
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• #2 x MBPDC 15 on its EN0 with cable to GBE HUB
• #1 x MBPDC 17 on its EN0 with cable to GBE HUB
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WORKS EVERY TIME First time
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• less for COMPRESSOR as one per HOST (4 in my case)
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• oh .. enable all your airports NICS.. .. in the above QMASTER wont use this subnet.
This speeds the WORKFLOW up enormously because the source material does not have to be COPIED to each host (well I think that what it means).
So the solution in my case was to have ALL the HOSTS on a SINGLE subnet..
works for me.
hope that helps
W

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HT1341 Printing over firewire causes mac osx crash

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http://developer.apple.com/devicedrivers/firewire/ipoverfirewire.html
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Step 1, restore the new machine.
1: Hold Command and R keys down, boot the new computer.
2: Disk Utility, select the Maintosh HD partition, click Erase and move the slider one step to the right, the middle choice selection and click erase. Wait.
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5: Install your free iLife here
Restoring iLife applications after Internet Restore of OS X Lion
If you reinstall Lion on a new Mac that shipped with OS X Lion installed, on an erased or replaced hard drive, you can download iPhoto, iMovie, and GarageBand from the Mac App Store.
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Double-click the App Store icon in the dock.
Enter your Apple ID and password.
Click Purchases.
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https://support.apple.com/kb/HT4718
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or
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Backup methods
Most commonly used backup methods

Trouble sharing over wireless or IP over FireWire

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Here are a few articles that may help:
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Mac OS X v10.4 Tiger - Networks/Sharing
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IP over Firewire Clobbering

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