Quote:
Originally Posted by bilbat
In the order you mention things (kinda):
Whole reason for WC is to dump the heat elsewhere! Drop from reservoir to rad/pump will be less than three feet.
Won't be able to hear it if it stops - want the feedback for safety's sake!
..must be higher than highest block, so have maybe ten inches to work with...
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Nice computer. As a "Drop back 10 and punt" thought, how about replacing what you have with a multi-processor (4?) motherboard? You'd be stressing the CPUs/memory a lot less, and get better performance to boot.
Back on topic:
Without doing the actual calculations, my guess is that, at the very least that rad/pump/loop combo is going to require some horrendous fans (3 x 200 CFM?) on the rad to handle that much heat . Can you say"Sounds like a vacuum cleaner." But since they will be remote that may not be an issue for you. Also, at those air flow rates, dealing with dust becomes an issue.
No, the rez/T-line fillport doesn't have to be at the highest point. It's a closed system.
The whole idea of an overheat warning is moot, as all modern Intel processors will throttle as they overheat. Intel has already taken care of that for you. If you still need the "comfort" of a warning, a pressure switch on the pump outlet hooked to a buzzer would accomplish that without the restriction/cost of a 3/8" flow meter. Another option is to put the flow meter on a bypass loop. You don't have to know
what the flow is, just that there is flow. Even putting one of the temp sensors from your fan controller onto the side of the CPU would give you the warning you seek. I have a P4 setup that way, and the temp sensor tracks Tcase temp well.
You might want to double up on those pumps and rads. Maybe a Black Ice GTX 480 or 560 and an Iwaki pump (the MD20RZT, part of their high pressure series).
If you can find a copy of
Martin's Flow Rate Estimator spreadsheet it will help you a lot.
Oh, an I don't think that's the correct setup for the inlets/outsets on the video card coolers. I think what you have will bypass the internal pathways.