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LN2 cooling on a daily basis?

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post #1 of 3 (permalink) Old 02-01-2009, 10:59 AM - Thread Starter
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Was talking with some friends and the topic of LN2 cooling came up....assuming one has unlimited budget(ability to buy large amounts of LN2 and associated feeding and exhaust systems), a team of mechanical and chemical and electrical engineers(to build a self-reliant LN2 feeding and gaseous exhaust system), special law enforcement allowance(I'm sure there are some laws that prevent a private residence from being able to store large amounts of hazardous material like LN2), how feasible would it be to run a daily-usable system using LN2 cooling? How long can a CPU even last at over -150C?

Also, for the sake of conducting a thought experiment, how would one even go about building a daily-usable LN2 cooled system? what materials/piping/pumps/etc. would one need?

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post #2 of 3 (permalink) Old 02-01-2009, 11:36 AM
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Most of C2D's won't work at this temps (due to coldbug) and probably your rig even won't boot (cold bug boot - you need to warm at example to -100C to boot, but cpu can easily running on lower temps). And it isn't only cpu cooling - high vcore probably kill your motherboard, you also need to increase other voltages. LN2 is hard to manage even for two hours

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post #3 of 3 (permalink) Old 02-01-2009, 03:39 PM
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It would probably be easier and cheaper to get a cascading phase...

To answer most of your questions: (1) a fridge cannot cool a PC (2) 64-bit OS for over 3.4GB (3) If a PCIe card fits, it should work (4) Resolution, not screen size (5) Report, not respond to Spam (6) Single-Rail/Non-Modular PSUs are not always better than Multi-Rail/Modular (7) Sequential does not matter as much as random for OS drives (8) Requirements come before hardware for servers

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