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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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#1 |
Cooling Neophyte
Join Date: Aug 2001
Posts: 3
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Running a dtek custom water system, cooling 1.4 gig Tbird @ 1.64 @ 2v, AND a 72 watt peltier on a GeForce3. The setup uses to T connections to send equally cold water to both cpu and gpu/pelt. The discharge from both blocks goes back to T connection to dump to the pump.
Temps are 29c idle, 44-45c load. Given the peltier in the loop, are these temps in the ballgame? Ambient is about 25c. |
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#2 |
Cooling Savant
Join Date: Jun 2001
Location: Winnipeg, MB, CA
Posts: 242
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How are you measuring the temps? From the motherboard?
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A7V8X Danger Den Maze II Danner Mag Drive 350 Heater Core Style Rad Thunderbird 1400 (Soon Barton) 512mb PC2700 CL2 Promise SX4000 Raid 5 w/256mb PC133 Cache 4x40gb Western Digital 7200hdd Plus More... |
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#3 |
Cooling Neophyte
Join Date: Aug 2001
Posts: 3
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that the sensor on the mobo. I bent it up and applied some AS2 to it and the back of the cpu. I confirmed they are in contact when I put cpu in.
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#4 |
Thermophile
Join Date: Jun 2001
Location: The deserts of Tucson, Az
Posts: 1,264
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The large difference between idle and load is a bit odd. Mine are only about 6C apart. That could mean you need more flow over the CPU.
What's the CPU and GPU block fitting diameters? |
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#5 |
Cooling Neophyte
Join Date: Aug 2001
Posts: 3
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1/2" with a cooler core radiator
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#6 |
Thermophile
Join Date: Jun 2001
Location: The deserts of Tucson, Az
Posts: 1,264
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Then I assume you have 3/8 inch on the GPU. That in mind I'd think you were fine because the added restriction on the GPU would balance out the large restriction from the Maze itself.
Assumeing you are getting good contact with the core, which I think you are because of the very low idle temps, I'd assume you just need more flow to prevent heat from building up in the CPU block. You could add a larger pump, but thats probably a waste unless your current one is crappy. What I would try is to add some additional restrictions on the GPU block so that more flow hits the CPU. Compared to the CPU the GPU heat level is nothing at all. Kinking a pipe heading in or out would probably do little at all to its temps and could lead to a large improvement in CPU. I'd kink the GPU tube a little with a twist tie and see what happens to CPU temps. If it doesn't make a difference then unlink it and we'll go from there. |
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#7 |
Cooling Neophyte
Join Date: Sep 2001
Location: Australia
Posts: 8
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in regards to difference between load/idle, mine is at 25 or so Idle, and gets to 46 load after an hour or so. It's because I enable the proper idle command through wpcredit.
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