[quote]Reservoir->Radiator->CPU->NorthBridge->Radiator->GPU0->GPU1->Radiator->Reservoir
Don't have to worry about the Northbridge on this mobo.
Do you really need a radiator before and after the reservoir?
So how many pumps and where?
Reservoir > Radiator > Pump? > CPU > Radiator > Pump? > T-line > Parallel GPU0-GPU1 > T-Line > Radiator > Pump?
1 Reservoir
3 Radiators
3 Pumps?
Overall, that sounds much more managable than was I was picturing; thanks.
With the setup I was talking about, you should only need one big pump, right behind the reservior (where it should be). If you want to be certain you're getting good flow though, you would want to put one on the other side of the radiator after the GPU parallel. The multiple radiators is to expel as much heat as possible. The one after the reservoir is to expel any warmth that might be in the tank, the one after the CPU to remove as much heat as possible before transferring it onto the GPUs, and before the tank as this is standard practice. (Who the hell wants a tank full of hot water?)
With pumps in mind, here's the 2 optimal setups:
Res->BigPump->Rad->CPU->Rad->GPUs->Rad->Res
With this setup you want a big pump, this is where it might be acceptable to use a 1/2" model pump for 3/8" setup, you get more pressure on the line, but with the amount of line you have to go through, it should equal out.
Res->SmPump->Rad->CPU->Rad->SmPump->GPUs->Rad->Res
This is the dual-pump setup, and it's a good idea to keep them the same size as the rest of the kit 1/2 or 3/8th, and with this you can use low/adjustable flow pumps to keep the pressure even across the CPU and the GPUs. This setup will more than likely create bubbles though as there will be a positive and negative pressure influence in the CPU water block, allowing for the water to become frothy in the teeth inside the block.
I advise the bigger single pump setup, as it will reduce maintenance, and keep pressure high across the line, thus, helping to prevent bubbles from forming in the waterblocks. And don't even THINK about using smooth blocks for "increased flow", as they won't transfer most of the built up heat. The smooth blocks are meant for purposes of reversed cooling such as in my Peltier kit, whereby the cool side is attached to the waterblock, and the hot side of the peltier to a heatsink. Also, if you have the money, you might actually want to look into a single or double radiator system, accommodated with Peltier coolers (thermo-electric), on each device. CPU and GPUs. Though, finding a Peltier which works on a smaller die might be a problem.
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