It's not that easy...the instant the hose goes into the chiller it is frozen like stone. I have my pump below the water line, way below, and I just cannot get the air out of the return line. I need to get another diaphragm pump I think. Wasting days.:blink:

Yeah the pump is below the waterline but you probably have a big old air pocket in the feedline since it has to go up from the res.

You should try getting everything setup BEFORE running the chiller (bleeding especially :) )

Got it!!!

That awesome SureFlow diaphragm pump I thought I ruined by running on 5v works fine. My coolant just happened to be freezing up at the same time my pump "died", so it seemed to not be working right even on 12v...it was shutting down.

Anyways...I removed 3 gallons washer fluid and added 3 gallons pure Prestone antifreeze. I don't think it will be freezing up anymore. I saw the bath temp was down to -37c last time I chilled it, and it is better insulated now. I took care of the cold piping so it should be colder yet.

I would say 3rd time is a charm, but I tried 2 different pumps yesterday so I'm on the 4th attempt.

This pump will pump air, it doesn't care...it's bad-ass. Not even the slightest bit of hesitation.

Diaphragm pump is the key.

I'm expecting to see all zeros on the cpu and cores today, instead of just the cores. :clapping:

I psyched to fire it up after I shower and eat.:thumbsup:

Happy Sunday everyone.:)

:) :) :) :)

Well in case anyone was wondering what was up...I'm having pump problems.

What kind of pumps work @ -30c........what do people use successfully on these chillers? Thanks...I'm pulling my hair out here.:blink: Diaphragm pumps have rubber diaphragms which are hardened by the cold and then don't work correctly. Impeller pumps are way too loud. I'm thinking people must use piston pumps.....

........any info would be great.

Well after another days worth of hard labor, I have it working with the loud ass impeller pump. CPU is @ 7c right now, but I've had a lot of trouble getting Windows....computer has frozen up like 3 times...all with some form of overclocking...right now at setup defaults.

I think I may have toasted the chip getting it hot that day when the pump quit working on me and I didn't notice until the computer crashed because that pump was quiet. This pump does not work quite as well as the diaphragm pump, but it wont freeze up. 8c now @ stock....I hope it isn't fried. :shock:

People usually use iwaki pumps, I used a 12v thermaltake (iirc) and it pumped thru -42c, trick is finding the coolant/water ratio that will not freeze up or sludge up and is not overly viscous that the pump will cavetate.

Your board prolly shit something before the chip actually was injured. You may need a good old fashioned cmos clear via battery removal.

Memory...so many errors that memtest froze up...lol......thing is I took out the one that was bad before I freezered it and it wouldn't even post...lol again...now the bad one is good and the good one bad. I thought maybe that was the problem.

Wanna hear something weird though...the clear CMOS has something wrong with it. Normally when I press it (not sure if I've done it on this board yet), all the lights go out. when I press this one the lights all start blinking. Gonna have a heck of a time getting another advanced RMA.

If it's ain't thing it's something else.

EDIT: ahh I almost removed the battery too.

Those boards aren't exactly durable as you've experienced and prolly read thru the threads. Good luck tho and pm Shannon, he may be able to assist with the rma.

Well it seems that now both of my memory modules are bad...but 1 worse than the other. This one at least works for awhile.

What did you use for coolant in your chiller? How much does it cost. I'm having viscosity issues too I think down at ~ -36c in the chiller.