Howdy, I think I have all the pieces lined up to try upgrading my G4 Gigbit ethernet tower with a quicksilver CPU. It is my fastest current mac, so I am still a little bit nervous about it. Particularly the part about removing the pins for the IDE port for the DVD drive. I found a replacement gigabit ethernet motherboard for $29 shipped and I am debating whether I should order that motherboard to try it out on and then fall back to my current motherboard if I need to. This leads me to a few questions. I have never swapped out the motherboard on a G4 tower. I can search for instructions, but I'd really like to hear from someone who has done this. 1. Is it pretty straight-forward? 2. Are there any things I may need to be aware of that are not likely to be obvious or in the instructions? 3. I'll then have to switch to probably a USB DVD drive. I don't use the CD or DVD drive much at all. Probably reinstalling Tiger would be the next task. Will that work with a USB DVD drive, or should I find another Mac and run this one in firewire target disk mode? I have built a lot of Linux and Windows machines. I know the basic stuff and I will be properly grounded. I don't see anything that looks tricky, but I know enough to know that I don't really know and I should ask for advice. I have several reasons for wanting to do the upgrade. The 400 MHz cpu I have now is a wee bit too slow, and I think a dual 800 MHz will be fine for what I do. I am on a tight budget. And, I want to help a local school upgrade about 10 more of these if it works out OK. Good day, Ralph
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