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Anyone Have the Liquid Cooling System for a Power Mac G5

ModernGnome

ModernGnome

macrumors newbie
Original poster
Nov 11, 2018
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Hello, I recently purchased a used Power Mac G5 to use as a media computer for things like Netflix. I've been looking for a liquid cooled G5 for quite some time now, but found a non-liquid cooled version locally for a good deal so I purchased it. I would still really like to have a liquid cooled G5 because I think the liquid cooled version a really neat. I am wondering if anyone has a broken or working liquid cooling system they would want to sell or trade for the air cooling system in mine.
 
AphoticD

AphoticD

macrumors 68020
Feb 17, 2017
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I don't have anything to offer, but which model G5 do you have? It would make things easier for someone who does.
 
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0248294

Cancelled
Jan 10, 2016
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I wouldn't recommend swapping a LCS into an aircooled PowerMac G5. You don't gain anything as no one has been able to overclock a PowerMac G5 (I know a certain user on MR likes to claim he has, but he's a phony), and the LCS is known to need overhauling to not have the chances of leaking. If you want liquid cooling in your G5, get a system that has it stock. It's the only sensible way.
 
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timidpimpin

timidpimpin

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Nov 10, 2018
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The G5 liquid cooling systems are one of the worst cooling systems ever created. Stay away from it unless you like things that are guaranteed to fail. The best way to liquid cool a G5 would be to submerge the components in liquid ether. That costs hundreds per gallon.

You also won't be able to use Netflix on it.
 
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Macbookprodude

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Daniël Oosterhuis said:
I wouldn't recommend swapping a LCS into an aircooled PowerMac G5. You don't gain anything as no one has been able to overclock a PowerMac G5 (I know a certain user on MR likes to claim he has, but he's a phony), and the LCS is known to need overhauling to not have the chances of leaking. If you want liquid cooling in your G5, get a system that has it stock. It's the only sensible way.
Click to expand...

We know who that is and it starts with an R.
[doublepost=1542078560][/doublepost]
timidpimpin said:
The G5 liquid cooling systems are one of the worst cooling systems ever created. Stay away from it unless you like things that are guaranteed to fail. The best way to liquid cool a G5 would be to submerge the components in liquid ether. That costs hundreds per gallon.

You also won't be able to use Netflix on it.
Click to expand...

This is true, but on my Quad I have the single pump and its still going strong.. maybe the single was better than than the two pump system.
 
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bunnspecial

bunnspecial

macrumors G3
May 3, 2014
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Kentucky
I've not had a bit of trouble out of my dual 2.7 or any of my Quads.

With that said, I'm not a fan of inviting trouble, and it's not unheard of for folks to even convert factory LCS models to air cooling. I've heard of it being done on the dual 2.5 at least with success, which is usually regarded as having the most unreliable of the revisions of LCS installed in G5s.

If you're dead set on getting a liquid cooled G5, get a Quad and enjoy the fastest PPC Mac made. Otherwise, enjoy the fact that your dual 1.8 is both fast(for a PPC Mac) and reliable.
 
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Machac

macrumors newbie
Dec 3, 2018
10
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Where are you located, I got a 661-3165 Apple Multiprocessor Dual 2.5GHz with LCS for Power Mac G5 for sale?
 
bunnspecial

bunnspecial

macrumors G3
May 3, 2014
8,352
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Kentucky
FYI, G5 LoBos don't generally work with processors faster than what they were designed to use.

I'll say it again-if you're dead set on owning a liquid cooled G5, buy the complete system.
 
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0248294

Cancelled
Jan 10, 2016
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If you really want to emulate the prime G5 Watercooling experience on your non-watercooled system, take a glass, fill it with coolant, open up your G5 and throw it straight in, then let it dry for a while. Tada, a watercooling-rotted G5, like many out there.

To wrap the joke up, an aircooled G5 just is better and reliable. Sure, watercooling made the highest end G5s possible, but they are more of a burden than a cool novelty.
 
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bunnspecial

bunnspecial

macrumors G3
May 3, 2014
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Kentucky
d-oost said:
To wrap the joke up, an aircooled G5 just is better and reliable. Sure, watercooling made the highest end G5s possible, but they are more of a burden than a cool novelty.
Click to expand...

I wouldn't go that far. There again, Quads had the issues ironed out and you don't often see LCS problems in them.

Late dual 2.7s were pretty darn reliable also.
 
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AphoticD

AphoticD

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Feb 17, 2017
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d-oost said:
If you really want to emulate the prime G5 Watercooling experience on your non-watercooled system, take a glass, fill it with coolant, open up your G5 and throw it straight in, then let it dry for a while. Tada, a watercooling-rotted G5, like many out there.

To wrap the joke up, an aircooled G5 just is better and reliable. Sure, watercooling made the highest end G5s possible, but they are more of a burden than a cool novelty.
Click to expand...

I like the novelty of owning the last (and ultimate) Liquid Cooled Mac - The Quad. But compared to the relative ease of maintaining the last air cooled Dual Core G5, it is certainly a bit of an ordeal to work on.

I’m glad the Xeons ran much cooler. LCS in mass production systems is completely unnecessary and should really be just for your hardcore PC overclockers and modders - people who build it and therefore understand and regularly maintain their systems - not in a prosumer Mac.
 
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