Yep, will be in my next mini-roundup. :)
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wow
flow on the HK is great
i think i'll keep my single DDC-2 instead of upgrading to 2 DDC 3.2s :D
Out of curiosity what software/temp sensors are you using?? I would like to purchase something like that. Thanks a ton Mcoffey for the service you do for all of us, it is much appreciated!
As I had heard, and you've reinforced, that if you add a second pump to a loop, the heat gain from the second pump often times cancels out any flow/pressure performance gain you experience, unless you increase radiator size. Just adding a second pump without any change in rad area simply adds more heat to the loop....at least from my reading I've done.
what is your vcore? radiator and fans?
edit: Vapor and HESmelaugh tested effects of flowrate vs temps
http://www.xtremesystems.org/Forums/...d.php?t=203446
http://www.xtremesystems.org/forums/...d.php?t=219842
increasing flow....better temps
Not a universal thing...definitely depends on the block and the CPU (well, really how the block relates to the CPU and how the block relates to flow).
Decided to expand my testing to the three major Intel CPU categories: dual die Core 2, single die Core 2, Core i7. Currently working on the Fuzion V2 on a blazing B1 Conroe and three mounts in on a no-nozzle setup....and I'm seeing roughly .5C difference between 3 DDC3.2s (~2.65GPM) and a single DDC3.2 at 7.65V (~.8GPM). :cool: 3.5mm nozzle should be another story of course though :lol:
where did you get .5c? i see 2.44c difference in one table..
http://i24.photobucket.com/albums/c5.../tempaaaaa.jpg
.5c is that water temp?
That's on a Kentsfield :p:
I haven't shown any of my Conroe testing yet :cool:
(also redid the loop, removing the VL3s and remodding the MCP350s to 355s (I think one of the pumps 'lost' the mod), so flowrates should be higher now)
Preliminarily, I think it's more of how the Fuzion base behaves with dual die vs. single die. Conroe is at higher settings than my Kents and is also a very high leakage Conroe, so heat output is surprisingly close. :)
My E6700 gives my single stage a few problems when a known-normal B2 X6800 didn't at higher voltage and MHz :cool:
Subzero cooling is pretty telling for that kind of thing fortunately. :)
thanks
i'll wait for your i7 testing:up:
i7 will be awhile, still finalizing the testbed....not sure what kind of CPU I want to use (C0 vs. D0, regular vs. high-leakage, ES vs. retail, etc.).
Then I'll do the Fuzion V2 gamut to make sure all is 'well' with the testbed....and then I'll work through various other CPU blocks progressively (i7 will get a higher priority than it does now though).
I think your results are going to be pretty reasonable and logical....you have a block that's showing signs of being flow-agnostic (too early to tell, but the signs are there) and a loop that has much less cooling power than my setup* and pumps that are more thermally expensive**.
* PA120.3 + 3x 1250RPM F3s vs. MCR320+220 sandwich with 2600RPM shrouded San Aces
** D5s dump more heat than DDCs (especially because, unfortunately, it seems my res-top DDC lost its 3.1->3.2 mod at some point during testing (probably very early, like mid-test on the Stock nozzle based on apparent flowrates) and therefore was running even cooler).
Damn Andy, you do have quite a bit to test :p:
I'll be very interested in D5s vs. DDC3.25s :)