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[Build Log] The Dominator - Power Mac G5 mod - Page 2

post #11 of 81
Thread Starter 
I spent some time with the project this evening trying to figure out once again how to fit the custom water loop in there. I had considered placing the reservoir and pump closer to the case opening but then realised that the radiator mount that would be needed to accommodate the radiator, reservoir and pump would become a little more challenging than I wanted it to be.

So I returned to an earlier idea of running the loop order like so: reservoir > pump > far 240mm radiator inlet > far 360mm radiator inlet > CPU water block > GPU water block(s) > return to reservoir.

Once I was somewhat happy with this loop order and component placement I needed to find a way to mount things.

The pump can sit on a shelf that I will epoxy to the back wall at motherboard height to (hopefully) allow clearance for the fittings and short run of tubing to the 240mm radiator.

For the reservoir I had considered creating a custom metal bracket to epoxy to the back wall above the pump shelf but I didn't convince myself that this was a good idea biggrin.gif .

Instead I decided to use the reservoir mounting brackets that came with the unit and create a complimentary mounting plate so that I could easily reuse the mounting clips if I needed to later.

Using the plastic panel that came with the G5 to direct airflow I cut out a mounting plate that I could attach to the back wall with epoxy adhesive. The bolts I found for the reservoir clips would then thread into the square nuts that I embedded into the plastic plate.



I've left this plate the set for the next couple of days so hopefully it'll be properly attached to the aluminium.

Next task will be to consider the 360mm radiator mount.

All I need to do now is hope that panel wasn't made of polyethylene as that could cause complications for the adhesive (something I only fully considered after the fact).
   
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post #12 of 81
Thread Starter 
I gave the reservoir mount a light shove and it didn't seem to budge so I may not need to go crazy over-engineering that part any further.

A few small metal brackets top and bottom should hold it indefinitely if I apply the epoxy adhesive to the metal and the plastic.

I'll try and sort out the pump shelf tomorrow evening if I get the chance.

Still need to figure out how I want to do the front panel for the power and maybe reset buttons.

I could go for something very different and mount the power button at the bottom rear of the case where the original power connector was and have the activity lights just flashing inside the case somewhere smile.gif . Still not sure yet.
   
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post #13 of 81
Looks like a cool project you have going on here, i helped one of my mates make his hackingtosh G5 pc a few years ago. I do remember the front connectors and power button being a challenge to make work right.

What is the hardware you'll be watercooling in this build, and which watercooling parts have you got already ?
post #14 of 81
Thread Starter 
Thanks smile.gif .

I've replaced the stock power buttion and ports with mesh and am still figuing out what to do about the new I/O and button placement smile.gif . I'm seriously considering going with the solid mesh front and locating the buttons on the rear or another stealthy spot.

I've now got all the water cooling parts:

* 3m Mayhem 10/16 Ultra Clear tubing
* Assorted Bitspower, XSPC, EK, Alphacool compression fittings
* EK DCP4.0 PWM pump
* Phobya UC 2 LT CPU block
* Chinese universal GPU block
* Phobya Balancer 150 reservoir
* XSPC EX360 radiator
* XSPC EX240 or an AX240 (can choose which I want for bottom radiator)

The PC I'll probably end up using in here will be my LAN rig:

* i5 750 CPU
* Gigabyte GA-H55-UD3M
* 8GB (2x4GB) Ares DDR3 RAM
* Asus GTX 670 DirectCU II
* CoolerMaster RS-850-EMBA

Its an old machine but it runs most games OK for a spare PC smile.gif . I was hoping to get an i5 2500k paired with a G1.sniper SLI board (green) and go with a dual card build as I've never run SLI but it turns out that board is hard to come by on the used market.
   
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post #15 of 81
Cool that'll be a nice decent lan rig, if you can carry it after you installed all the watercooling parts as it gets heavy really fast. thumb.gif
post #16 of 81
Thread Starter 
Yeah, the while the term "LAN rig" has been accurately proven on one occassion for those components were I took the old PC to another house they basically spend their time going between my cupboard and the spare gaming desk biggrin.gif .

Same will probably happen when its been transplanted to the G5 case smile.gif .

The real LAN rig I want to be the result of my beige mod that I have penned and stashed the plans in my folder of crazy mod ideas wink.gif .
   
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post #17 of 81
Thread Starter 
I didn't get as much as I wanted to get done over the long weekend but I did get the 360mm radiator mount sorted out.

The dividing plate for the PSU chamber served as the raw materials for rail that I attached to the case with a healthy dose of epoxy adhesive.



Took well over three hours for me to figure out how I wanted to mount the front radiator, cut the metal, fold it into shape and then glue it. Seems the WAN Show is pretty good to have just playing in the background while doing this stuff smile.gif .



The idea is to have the fans attached to the radiator outside of the case in a push configuration and place the radiator on the front side of the mounting rail with screws.

Next task will be to figure out the pump shelf and possibly have part of the pump shelf steady some of the other side of the radiator. For this to work I'll need to have the shelf removable.

The order of installation will need to be radiator, pump shelf, pump and reservoir.

I'll take some better photos soon when the epoxy has set and I remove the clamps and weights from the case smile.gif .
   
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post #18 of 81
Nice to see the Antec P180 floor is being put to good use, though it is hard to see where and how you mount it.

Btw. wouldn't it be better to move the reservoir and over to the left of the motherboard as it would just get in the way and block the view of the CPU block, but just an idea.

And speaking of floors, then i have begone to look into moding my old Antec P183, i took the upper cages out last night to see if it would actually be worth the effort to remod it to fit custom watercooling, as the my Define S case is so boring and common. But it would be alot of work, so i'll just take it slow and see where it goes.

But i look forward to seeing the better pictures of this build.
post #19 of 81
Thread Starter 
Thanks smile.gif .

Good thing about having a working rig in another case is you can keep playing and do odd jobs on your modding project at your own pace. Plenty of time for you to tweak the P183 wink.gif .

I removed the weights and bracing from the G5 and this is how it turned out.



Here's a basic placement of how I plan to lay out the water loop parts.

   
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post #20 of 81
Ah so that's how its going to be, it looks great, is it both CPU and GPU you will be watercooling ?

And yes it is really nice not having to rush a build while you just want to game, but i got my drive cages out og now have a completely flat midfloor, i have a few ideas on how it would be possible fit watercooling radiators into it, but it'll need alot of steel plate reinforcements.

But i'll need to do some heavy modding on my P183 case, but i might as well try wink.gif
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