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General Liquid/Water Cooling Discussion For discussion about Full Cooling System kits, or general cooling topics. Keep specific cooling items like pumps, radiators, etc... in their specific forums. |
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#26 |
Big PlayerMaking Big Money
Join Date: Aug 2001
Location: irc.lostgeek.com #procooling.com
Posts: 4,782
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The power circuitry for the 8KHA+ is pretty advanced; your board may crap out above 2.1 because you need to do a more rigorous voltage mod to defeal the overcurrent protection (I recall something about 5 resistors and a potentiometer). There are details on the aoaforums epox forum if you need more than 2.08V or so.
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#27 |
Cooling Savant
Join Date: Apr 2002
Location: HILLBILLY LAND
Posts: 159
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Thanx Ph
i read that sometime back at aoa but i didnt feel the need for it till i got water cooled Thanx for your time
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#28 |
Big PlayerMaking Big Money
Join Date: Aug 2001
Location: irc.lostgeek.com #procooling.com
Posts: 4,782
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not a problem at all. If you get that 2nd stage vmod done post pictures! I meant to do it but I only kept the 8kha+ I had for a week or so (and the stage1 VMod was enough at the time).
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#29 | |
Cooling Neophyte
Join Date: Mar 2002
Location: florida
Posts: 25
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#30 |
Thermophile
Join Date: Oct 2001
Location: Nuu Zeeelin
Posts: 3,175
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I wish that powerline voltage was about the same (like 5000v), but those transformers dropped power down to 24v dc instead of 115v AC or 240v AC. Think of how much easier it would be
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#31 | |
Cooling Savant
Join Date: Jan 2002
Location: Waukesha, Wi
Posts: 698
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#32 |
Responsible for 2%
of all the posts here. Join Date: May 2002
Location: Texas, U.S.A.
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And that's not the only reason that AC became a standard...
Someone figured out that if power had to be routed to a major city, the size of the cable would have to be larger for DC. You see, the average voltage of an AC circuit, is actually 0 volts... The other problem was that there is much more power loss in transmitting a DC source than an AC source. It's also easier to correct a power drop in AC, than it is in DC. (Can you imagine the size of a DC power regulator sitting on top of that pole, next to your house?) Also, as stated earlier, DC is actually more dangerous, and has this nasty tendency to arc (specifically, 50,000 volts will arc within a 1cm space (3/8 inch for those who are about to complain). It's good if you're welding, but not if you're just trying to enjoy the sun. Since AC has an average voltage of 0 (because it goes positive, then negative 60 times per second), it's less likely to arc. And another point... since electricity is produced from generators, however they are made to turn, the output is in AC and so, it's cheaper to just transmit it just the way it is. AC arrives at your house at a frequency of 60Hertz. It's accurate enough for you to time a clock based on that signal. (have you ever noticed that your alarm clock runs faster/slower when it's running on batteries?) That's my bit for today... |
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#33 |
Cooling Neophyte
Join Date: Mar 2001
Location: UmeƄ, Sweden
Posts: 98
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bigben2k, thanks for your lesson in applied electronics (not news to me, but may help others)
I'd just like to point out that the voltage regulator gets really hot when you're volt-modding. Epoxying a passive heatsink to the IC is not a bad idea, it may increase stability when you're at the bleeding edge of what you think your processor can handle.
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