Question

iMac G5 HDD to Powermac G5:Will it boot?

I got a Dual 2Ghz PPC G5 off of eBay today because my beloved iMac G5 17" (non-iSight, won as a prize opening day at the local Apple store several years ago) main board died after months on the death bed. If I drop one of the old HDDs (I have about three with more or less identical systems on them thanks to CCCloner) in the master slot of the "new" machine will it boot or are there going to be other issues? They both use PC3200 so I can drop lots of old ram in. Also, does the RAM have to go in Parity-style?

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Answer
This will probably work,

the OS is the same although there "may" be some specific bits that the iMac used that the G5 Tower doesn't and vice versa.

I believe they both use SATA drives so plug it in and see how you go,

You will not harm it, the worst that will happen is that it will not boot

P

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Provided

Provided that the OS revision on the iMac drive is newer/later than the one that shipped with the PM, it will work. If it is earlier, or the same, you will likely end up having problems because there may be specific kernel extensions for hardware support that are missing.

But like said, the worst that's going to happen here is you get a kernel panic at boot and are no worse off than you are now.

And yes, RAM on the G5s had to be installed in matched pairs. I forget if that's for the dual processor models only or all of them though, but since you have a dual CPU rig it's irrelevant. Couple of months ago I had a system come in to me at work, where a store gave someone a brand new Mac Pro for a 2005 PMG5 where the customer basically put in their own RAM, screwed up the order, and no one bothered to read the service manual to find out what the flashing power LED code meant. If they had, they would have seen that it was a mismatched RAM error, and all they had to do was make sure that the RAM modules lined up. I'm sure some supervisor got a rather unpleasant chewing out over that one. Replacing a system you'd be lucky to get $500 for, with a brand new $2400 one, for something as simple as some mismatched RAM. So the moral of the story here is, if the power LED starts flashing on you, be sure to double check your RAM config.

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