Inleiding
I will teach you how to replace the motherboard
Wat je nodig hebt
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Place your g5 on a suitable surface
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Take out the power lead
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Prepare two screw drivers; T10 and Phillips (T15 may be used in some instances)
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Open the case by pulling the lock
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Take out the plastic cover
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Step 5 is about removing the cover which protects the processor from any outside damage
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The cover is attached to four pins. In order to remove the cover, it has to be pulled towards the left.
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CAUTION: There may be a plastic (rubber) pin (see Image 2), which was put in place for guarantee purposes, therefore before sliding the panel, you should locate and remove this pin
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It can also be pushed from the inside (by lifting the bottom of the cover first) (see image 3)
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Remove Red and Yellow marked screws
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The Red are small black screws shown on the second image
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The processor holding screws are marked as yellow and have to be removed
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Green- pins which hold the motherboard in place
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In order to remove the motherboard, pull it (as shown on the third image) It should now slide on the pins which are marked as green.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
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7 opmerkingen
This guide applies, it seems, to liquid-cooled CPU G5s, which are rather rarity IMO.
Air-cooled G5s are completly different kettle of fish, and they come in two flavours as far as CPUs brackets (those studs on which CPUs are attached to the aluminum case) are concerned. One uses phillips screws and some guiding rods (AFAIR) - plain and simple solution, while the other uses allen bolts and sort of "expanding" studs, which have tendency to get stuck, PERMANENTLY, to the CPU's base plate. Which means, in turn, that you can easily tear them completelly off their sockets (weak and shallow ones) while attempting to lift the CPU.
Besides, the whole thing (getting the MB out) is exercise in high dexterity and saintly patience thanks to Apple's decision to save few cents on machines costing thousands of $ by making all wires shorter than necessary for easy dismantling, by an inch. Bunch of smart-!@# morons, if you'd ask me... and this is not the only issue with these machines (which are otherwise great computers).
Hi,
Thanks for a great guide.
I am tearing down my Mac G5 tower (air cooled) to use the casing for a new home build.
I am currently struggling with the CPU brackets and the bolts fixing it. It seems to be some kind of "wonder"-screws that no of my screwdrivers nor bits are able to handle. Im actually considering just ripping the whole thing, even though I might damage the case and other components which I might want to keep to my build.
If you have any thoughts on how to get around this, please leave a comment.
Best regards
Mark.
@Markus Forsberg:
I think you mean the hexagonally-screws to get off the CPU with the cooling fins. For those you will need an allen wrench with 2.5mm. To get at the two screws in the round hole of the middle from the cooling fins you will need an extra long allen wrench (minimum 16cm or longer).
The other screws at the CPU brackets are called torx screws (looks like nearly a star or something like that)
Hope it will help you.
Best regards
If your G5 is the liquid cooled PPC type these instructions are on the money. The power supply needs to be tipped/angled in about 45* before it will clear the case and pull free. There’s not enough room in the case to do this easily. It scrapes hard on the case and it takes some force. Mind the posts that align the processor to the motherboard. Do not bend them when removing the power module. Move the thick bundled wires to make as much free room as you can before you muscle it. It really does have to be forced out. My G5 was cutting out in the middle of use, then coming back on a few seconds later. I believe the cause was extremely dirty power supply fans. I’m glad I took it apart so I could really clean everything, but in a pinch try blowing compressed air into just the bottom, front & back, while using a vacuum at the other end. That would probably have done it.
