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Hi. I built an extreme cooling system for the Raspberry Pi. It is composed of a short length of copper pipe with a cap on one end, attached to the CPU with thermal compound in between. It is filled with Liquid Difluoroethane (or LN2, if I can get some). It is possible to overclock the Raspberry Pi to a speed of 2.4 Ghz with this device.<br><br><br><a class="H-lightbox-open" href="http://www.overclock.net/content/type/61/id/1533070/"><img alt="" class="lightbox-enabled" data-id="1533070" data-type="61" src="http://www.overclock.net/content/type/61/id/1533070/width/350/height/700/flags/LL" style="; width: 350px; height: 467px"></a><br><br><br><a class="H-lightbox-open" href="http://www.overclock.net/content/type/61/id/1533072/"><img alt="" class="lightbox-enabled" data-id="1533072" data-type="61" src="http://www.overclock.net/content/type/61/id/1533072/width/350/height/700/flags/LL" style="; width: 350px; height: 467px"></a><br><br><br><a class="H-lightbox-open" href="http://www.overclock.net/content/type/61/id/1533074/"><img alt="" class="lightbox-enabled" data-id="1533074" data-type="61" src="http://www.overclock.net/content/type/61/id/1533074/width/350/height/700/flags/LL" style="; width: 350px; height: 467px"></a>
 

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Wait, WHAT?<br><br>
You are dumping LN2 on a Pi <img alt="tongue.gif" class="bbcode_smiley" src="http://files.overclock.net/images/smilies/tongue.gif"><br><br>
That is a 1.7GHz increase!!!! Please fo further and get a 2GHz increase on that, I will happily add you to my club if you can post any proof of it!<br><br>
Wonder what a CubieBoard can do, it has a 1GHz stock clock, so is obviously binned much higher, maybe 3GHz??? <img alt="biggrin.gif" class="bbcode_smiley" src="http://files.overclock.net/images/smilies/biggrin.gif"><img alt="biggrin.gif" class="bbcode_smiley" src="http://files.overclock.net/images/smilies/biggrin.gif"><img alt="biggrin.gif" class="bbcode_smiley" src="http://files.overclock.net/images/smilies/biggrin.gif">
 

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<div class="quote-container" data-huddler-embed="/t/1404207/extreme-cooled-raspberry-pi#post_20273033" data-huddler-embed-placeholder="false"><span>Quote:</span>
<div class="quote-block">Originally Posted by <strong>neo565</strong> <a href="/t/1404207/extreme-cooled-raspberry-pi#post_20273033"><img alt="View Post" class="inlineimg" src="/img/forum/go_quote.gif"></a><br><br>
Hi. I built an extreme cooling system for the Raspberry Pi. It is composed of a short length of copper pipe with a cap on one end, attached to the CPU with thermal compound in between. It is filled with Liquid Difluoroethane (or LN2, if I can get some). It is possible to overclock the Raspberry Pi to a speed of 2.4 Ghz with this device.<br><br><br>
<span huddler_attributes="{"plugin":"attachment","params":{"id":"14737","name":"IMG_20130625_185940.jpg","description":"","size":695,"type":"jpg"}}" huddler_plugin="attachment">
<a
class="attachment loginreq" href="/attachments/14737" title=""><span class="file jpg">IMG_20130625_185940.jpg <span class="details">695k .jpg file</span></span>
</a></span><br><br><br><br><br>
<span huddler_attributes="{"plugin":"attachment","params":{"id":"14738","name":"IMG_20130625_190011.jpg","description":"","size":752,"type":"jpg"}}" huddler_plugin="attachment">
<a
class="attachment loginreq" href="/attachments/14738" title=""><span class="file jpg">IMG_20130625_190011.jpg <span class="details">752k .jpg file</span></span>
</a></span><br><br><br><br><br><br>
<span huddler_attributes="{"plugin":"attachment","params":{"id":"14739","name":"IMG_20130625_190005.jpg","description":"","size":725,"type":"jpg"}}" huddler_plugin="attachment">
<a
class="attachment loginreq" href="/attachments/14739" title=""><span class="file jpg">IMG_20130625_190005.jpg <span class="details">725k .jpg file</span></span>
</a></span></div>
</div>
<br><br>
impressive, but I have to ask.... WHY!!!! just... WHY!?!?!?!??!
 

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For the sake of it, and for being the first <img alt="tongue.gif" class="bbcode_smiley" src="http://files.overclock.net/images/smilies/tongue.gif">
 

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Discussion Starter #5
2.999 Ghz with Liquid Difluoroethane for cooling for 30 seconds before it crashed! <img alt="biggrin.gif" class="bbcode_smiley" src="http://files.overclock.net/images/smilies/biggrin.gif"><br><br><a class="H-lightbox-open" href="http://www.overclock.net/content/type/61/id/1533075/"><img alt="" class="lightbox-enabled" data-id="1533075" data-type="61" src="http://www.overclock.net/content/type/61/id/1533075/width/500/height/1000/flags/LL" style="; width: 500px; height: 667px"></a><br><br><br><a class="H-lightbox-open" href="http://www.overclock.net/content/type/61/id/1533076/"><img alt="" class="lightbox-enabled" data-id="1533076" data-type="61" src="http://www.overclock.net/content/type/61/id/1533076/width/500/height/1000/flags/LL" style="; width: 500px; height: 375px"></a><br><br><br><a class="H-lightbox-open" href="http://www.overclock.net/content/type/61/id/1533078/"><img alt="" class="lightbox-enabled" data-id="1533078" data-type="61" src="http://www.overclock.net/content/type/61/id/1533078/width/500/height/1000/flags/LL" style="; width: 500px; height: 667px"></a>
 

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Is that thing reading 11volts <img alt="ninja.gif" class="bbcode_smiley" src="http://files.overclock.net/images/smilies/ninja.gif"><br><br>
And could you get a really clear picture, I would like to include you in my club <img alt="smile.gif" class="bbcode_smiley" src="http://files.overclock.net/images/smilies/smile.gif">
 

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Discussion Starter #7
Sorry about the bad picture quality. I can't find my camera, so I had to take it with a phone. The 11 is the voltage multiplier, so it's not actually 11 volts.
 

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<div class="quote-container" data-huddler-embed="/t/1404207/extreme-cooled-raspberry-pi#post_20273033" data-huddler-embed-placeholder="false"><span>Quote:</span>
<div class="quote-block">Originally Posted by <strong>neo565</strong> <a href="/t/1404207/extreme-cooled-raspberry-pi#post_20273033"><img alt="View Post" class="inlineimg" src="/img/forum/go_quote.gif"></a><br><br>
Hi. I built an extreme cooling system for the Raspberry Pi. It is composed of a short length of copper pipe with a cap on one end, attached to the CPU with thermal compound in between. It is filled with Liquid Difluoroethane (or LN2, if I can get some). It is possible to overclock the Raspberry Pi to a speed of 2.4 Ghz with this device.<br><br><br>
<span huddler_attributes="{"plugin":"attachment","params":{"id":"14737","name":"IMG_20130625_185940.jpg","description":"","size":695,"type":"jpg"}}" huddler_plugin="attachment">
<a
class="attachment loginreq" href="/attachments/14737" title=""><span class="file jpg">IMG_20130625_185940.jpg <span class="details">695k .jpg file</span></span>
</a></span><br><br><br><br><br>
<span huddler_attributes="{"plugin":"attachment","params":{"id":"14738","name":"IMG_20130625_190011.jpg","description":"","size":752,"type":"jpg"}}" huddler_plugin="attachment">
<a
class="attachment loginreq" href="/attachments/14738" title=""><span class="file jpg">IMG_20130625_190011.jpg <span class="details">752k .jpg file</span></span>
</a></span><br><br><br><br><br><br>
<span huddler_attributes="{"plugin":"attachment","params":{"id":"14739","name":"IMG_20130625_190005.jpg","description":"","size":725,"type":"jpg"}}" huddler_plugin="attachment">
<a
class="attachment loginreq" href="/attachments/14739" title=""><span class="file jpg">IMG_20130625_190005.jpg <span class="details">725k .jpg file</span></span>
</a></span></div>
</div>
<br>
You are my hero <img alt="specool.gif" class="bbcode_smiley" src="http://files.overclock.net/images/smilies/specool.gif"> +1
 

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What is actual voltage?<br><br>
What do you run 24/7?<br><br>
And could you rerun it with flash off xD
 

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<p>Come on man... upload your images so people don't have to DL them to see.</p>
 

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Discussion Starter #12
I don't know how to upload the images. Flash wasn't on when I took the pictures. That was just the shinyness of the TV. Sorry, but those are the best pictures I can currently take. STUPID PHONE CAMERA!!!<img alt="mad.gif" class="bbcode_smiley" src="http://files.overclock.net/images/smilies/mad.gif">
 

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Discussion Starter #13
I don't know what the actual voltage is. I kind of just randomly set it. 24/7 I run it at 1 Ghz with no sub-zero cooling.
 

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<p>Click "Insert Image" instead of "Insert Attachment"</p>
<p><br>
Or upload to Imgur first then copy URLs here with IMG tags.</p>
 

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Discussion Starter #15
Still can't figure out how to make the pictures visible.
 

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Discussion Starter #16
Figured out how to post pictures so that they are visible without DLing them.<br><br>
This is how you fill it with Difluoroethane:<br><br><br><br><a class="H-lightbox-open" href="http://www.overclock.net/content/type/61/id/1533085/"><img alt="" class="lightbox-enabled" data-id="1533085" data-type="61" src="http://www.overclock.net/content/type/61/id/1533085/width/350/height/700/flags/LL" style="; width: 350px; height: 467px"></a><br><br><br><a class="H-lightbox-open" href="http://www.overclock.net/content/type/61/id/1533086/"><img alt="" class="lightbox-enabled" data-id="1533086" data-type="61" src="http://www.overclock.net/content/type/61/id/1533086/width/350/height/700/flags/LL" style="; width: 350px; height: 467px"></a>
 

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Any more attempts? BTW, ADDD MORE VOLTAGGGEE
 

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The rs spray is good, however a more efficient spray is:<br>
<a href="http://www.radioshack.com/product/index.jsp?productId=2102648" target="_blank">http://www.radioshack.com/product/index.jsp?productId=2102648</a>.<br>
Component cooler should get you there a lot easier.<br>
We would store use those for experiments lol.
 

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Discussion Starter #19
I think 2.999 Ghz is the ABSOLUTE LIMIT for processor clock frequency.<br>
I tried 3.1, but it immediately crashed.
 

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<div class="quote-container" data-huddler-embed="/t/1404207/extreme-cooled-raspberry-pi/10#post_20278468" data-huddler-embed-placeholder="false"><span>Quote:</span>
<div class="quote-block">Originally Posted by <strong>PedroC1999</strong> <a href="/t/1404207/extreme-cooled-raspberry-pi/10#post_20278468"><img alt="View Post" class="inlineimg" src="/img/forum/go_quote.gif"></a><br><br>
Any more attempts? BTW, ADDD MORE VOLTAGGGEE</div>
</div>
<br>
MORE COWBELLS!
 
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