iMac logic board transfer

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Joined: Dec 16 2005
Posts: 244

Hi all!
Is it possible to take a logic board from a July 2001 Graphite 600MHz iMac, and put it into a Early 2001 Indigo 400MHz iMac?

Thanks! Smile

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coius's picture
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Joined: Aug 25 2004
Posts: 1975
if it's got FireWire

I don't see why not... I have seen the inside of a 700Mhz iMac and my mom's Sapphire iMac, and didn't notice any difference, maybe the board layout, but that should be it. It's not that hard to tell, just open up the early 2001, and size the july board in there. that should tell ya'

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iantm's picture
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Joined: Apr 2 2005
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Things to keep an eye out for

Having done this before ... You'll need to pay close attention to where the heatsinks that are mounted to the metal piece are. you should be able to remove them from the donor and install them on the recipient. Should work without issue.

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westieg3's picture
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Joined: Apr 4 2004
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i questioned switching boards

i questioned switching boards in my pre-dv slotload and was told that there might be a few issues with different connectors in the later pinouts. i think it was that 600 was the best before there was incompatability.

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Joined: Dec 16 2005
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Hmmm, well, this isn't my iMa

Hmmm, well, this isn't my iMac 400, a friend of mine wanted to buy the board from me, so I can't check everything. It also turns out that its not an indigo Early 2001, its a Purple (or at least thats how he described it) iMac DV, according to the bottom sticker.

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MaxTek's picture
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Joined: Dec 20 2003
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Re: iMac logic board transfer

john8520 wrote:

Hi all!
Is it possible to take a logic board from a July 2001 Graphite 600MHz iMac, and put it into a Early 2001 Indigo 400MHz iMac?

Thanks! Smile

The 400DV has a screw on heat sink attatched to the divider panel, you will have to remove it and relocate it to match up with the processor of the new logic board. It will also be a milimeter to short. It will need to be heightened to work properly with the processor.

The later model iMacs have a non removable heat sink on the divider panel. It is a formed hump on the divider panel not a block of aluminum as the DV's.

The last issue with this swap is the DV will lose the ability to start up from the power on button on the keyboard. That is if you are using the original keyboard that came with the DV models. The faster logic boards don't have this ability.

Hope this helps.

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Joined: Jun 18 2005
Posts: 196
Why bother...

With G3 iMacs being so cheap these days why bother?
Just purchased an iMac 600/256 MB/ CD Burner/30 GB for $68.00 shipped...
I can't see possibly trashing a working iMac unless you have money to throw away.

Dave