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Phase Change Completion. (Read 746 times)
Jul 15th, 2007 at 4:05pm

GunnerMan   Offline
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Not the trees!
In The Cockpit

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Well it's done and on my computer. My evap only makes about 1 square cm of contact so i only get -10 to -3C idle and she can't take a load to save her life. All because of poor contact. That dosen't matter for now as im typing this with a phase change cooled computer  Grin I need to come up with a really snazzy invention or buy a real evap to get temps that are worth me building this thing(-40). Nevertheless im gonna go for some overclocking just to give it a small go. Pics to come
 

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Reply #1 - Jul 15th, 2007 at 5:44pm

GunnerMan   Offline
Colonel
Not the trees!
In The Cockpit

Gender: male
Posts: 1488
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Ok after tweaking I have achieved about -20C idle acording to Nv Monitor. So after a few hours of use...how is it? Well its ummm....NOISY. It didn't sound so bad in garage but in room its like a loud electrical clicking type deal. Im goign to need some noise cancelling phones pronto! Thats my fault for using a rotary compressor but I wanted small. So other than that everything seems to be working fine. Ill try and update from time to time and post what kind of clocks I can achieve but I was informed my last thread got a bit excessive so im going to try and not bable so much this thread and try and make it more worth reading maybe? If your into this kinda crap.

So here is the unit, I had it overcharged so it was frosting all the way to the accumulator. It has about 5 mm of perfectly white snowy frost was very neat but bad for my temps and the compressor.
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A shot of how I have it routed, i went with the 3 foot suction line so I had extra I needed to coil. Eventually I will tape the whole thing but I just got the vitals as my tape roll ran out.
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And to prove it booted and runs here is a screen shot. Also another angle on the mounting job. I kind of miss my 120 Delta fan there because it dropped my gpu temps 3-5C same with my ram. Oh well CPU overclocking comes first and this ram wont do over 250 Mhz it seems so it dosen't matter.
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It took up most of my desk room. I think maybe since I have the extra long tubeing it will find a better home under the desk. My goal is 3 Ghz so far I have gotten to 2.820 stable at 1.375 with a slight droop so we will see how well she does. it's going to be a long process of tuning and clocking. Also you need to turn the phase on before the computer for about 15-30 seconds. Without a phase change taking place it has about zero cooling capacity and is surrounded in insulation, your cpu may go bye bye! Cool
 

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Reply #2 - Jul 19th, 2007 at 10:39pm

GunnerMan   Offline
Colonel
Not the trees!
In The Cockpit

Gender: male
Posts: 1488
*****
 
Today I hit 3 Ghz at 1.425volts on my Opteron170 I dont know how cold cpu is at the time but it has a thick latyer of frost on it at full load.
 

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Reply #3 - Jul 24th, 2007 at 2:15am

a1   Offline
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Tied In A Knot I Am

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Looks impressive. Wink
 

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790i : QX9650 : 4Gb DDR3 : GeForce 8800 GTX : 1 WD Raptor : 1 WD VelociRaptor 150
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