Answer to: Is the logic board in both model the same?Just did the swap. I haven't really tested it out but it appears it can be done. Make sure you have the right heatsink as they are different and you have to move a standoff on the bottom of the case but so far so good.
Answer to: swap logic board a1226 and a1260I haven't had a chance to really test out mine but so far yes it is possible. At least a a1226 board in a a1260 machine. With 2 changes. First the heatsinks are different. So you have to have the right heatsink. Some of the mounting points are different. No way around this. Then one of the standoffs inside the case is slightly off. They are just glued on though. So I popped it off and moved it over. I'd assume going the other way (a1260 board in a1226) wouldn't be any different. But try at your own risk. Btw I upped my process to a 2.6 in doing this swap. I was mainly wanting working FireWire ports but got this as a bonus. ;)
Answer to: Is the logic board in both model the same?I would like to know the same. I have an a1260 but found a a1226 board. I'm trying to get the FireWire ports running again. Aside from that my logic board is fine.