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Live Testing

Well, it’s been a long time coming, but finally here it is, my V1200 Plus II mod. 

Having originally purchased a FuZion extreme kit off Radiical in July 07, I originally had it installed in my Lian Li PC-60.  Needless to say, temps were amazing, overclocking was glorious (E4300 from 1.8GHz to a benchable 3.6GHz) and I was a happy man.  I have always been set on water cooling, and this kit was the perfect way to get my foot in the door.  I mainly wanted to overclock, but also loved the challenge of modding and installing the loop, and the noise per degree lost ratio is simply too good not to pass up, not to mention the longevity of the whole loop.

Anyway, 6 months later, I found I was no longer able to house the longer video cards in the PC-60 without a great deal of sacrifice and work.  In other words, it was the perfect excuse to grab a new case and build my watercooling loop from the ground up.  The full worklog can be found over at http://forums.primelogic.com.au/index.php/topic,418.0.html

Enter the Lian Li PC-V1200 Plus II, which after much research I figured I would be able to internally house both my current 240mm radiator and also an additional 120mm radiator, along with my newly acquired (May 08) 9800GX2.  One thing led to another, and an EK waterblock was sitting at the door, begging to be included in my single CPU loop.  Which brings us to my current WC setup (in order of connection):

• Laing D5 pump
• D-Tek FuZion V1 waterblock with Quad Nozzle
• 1x 120mm Radiical radiator (front-mounted)
• EK 9800GX2 waterblock for GPU
• 1x 240mm Radiical radiator (top-mounted)
• Acrylic 5 ¼” reservoir

I was a little worried about water temperature increasing too much when running  1 CPU and 2 GPU's from the same loop, with only an equivalent of 360mm of radiator between them all.  Turns out it all plays very nicely together, after a few runs in Crysis benchmarking utility (Both physics and graphics tests), I noticed NO fluctuation of CPU temps than previous runs before the introduction of the GPU's into the loop.  Ambient temperature was constant throughout testing.

All in all, there was a MASSIVE difference in GPU temp.  The GX2 is a notoriously hot card, but this loop certainly put it in its place.

As a result of this, I was able to crank up the MHz from the card, notching up a game stable 750MHz core and 1100MHz memory from the default 600/1000.  I have benched at higher (813/1150), however would need to volt mod for extra stability in the long gaming runs.

I have been running a Q6600 G0 stepping for over a year now, at a comfortable 3.8GHz, and have benched under the FuZion at 4.15GHz, with and without the GPU in the loop.  In both instances, I’ve hit the limit of my chip, and the instability is not due to the temperature.

Special thanks to Trish from Radiical for all the advice and guidance, your service alone is invaluable and justifies every penny of the cost. Anyway time for some pictures.

Cheers.  Oh, and thank YOU for reading ;)