Im going to replace my logicboard myself...any tips?

i cant afford to have apple fix my powermac, they told me my logic board was fried so i think im just gonna grab the part number and find one online. are there any tips i should know before tackling this?

If you're going to attempt this yourself, I'd try and locate a copy of the Apple Service Manual for your particular model. It'll have the steps to go through to actually do the mobo swap. These are not available for the general public, so you're going to have to do some searching on the internet (PDF) or eBay to find one.
Mac-Pro.com is a good online place to purchase the parts you need.
You're also going to need a copy of the Apple Service Diagnostic DVD to run the thermal recalibration routines after the mobo swap. Without it, your fans will run much faster than they should and will make a lot of noise. Like the service manual, the service diagnostic DVD is not available to the general public.

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