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[Official] AMD/ATI GPU Mod Club - AKA "The Red Mod" - Page 296

post #2951 of 3007
Yeah other users have used some of the Seidron line for the same reason on many AMD cards.
It is hard to go wrong with it lining up perfectly. This makes the Seidron 120 a great buy good AMD users.
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post #2952 of 3007
Quote:
Originally Posted by Rainmaker91 View Post

Interesting contraption, although there are probably better alternatives like the Alphacool Smart Motion mosfet cooling plates. Just something to think about if you want to simplyfy your setup at one point, as they seem relatively easy to modify (you can even buy the water channel part seperatly if you already ahve a contact plate).

Yours looks far more interesting though thumb.gif

I think with the large surface area of the copper and such, I believe my contraption probably works better. Plus they have nothing on VRM2 and I do. I very happy with how it turned out. The end result turned out great for temps, just slightly higher than a full cover EKWB block. So until my next build (where I will make sure I can get full cover for the GPU's) I will just wait now. LIkely I will wait two generations and skip this coming gen cards. The dual 390x will tide me over until then for sure.

Plus, I like that I made it myself and it was effective. Both of my cards can do 1250mhz now, which is better than almost all of the 390x I know of so far. Maybe a few are better, but good enough for me. thumb.gif
     
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post #2953 of 3007
Quote:
Originally Posted by battleaxe View Post

I think with the large surface area of the copper and such, I believe my contraption probably works better. Plus they have nothing on VRM2 and I do. I very happy with how it turned out. The end result turned out great for temps, just slightly higher than a full cover EKWB block. So until my next build (where I will make sure I can get full cover for the GPU's) I will just wait now. LIkely I will wait two generations and skip this coming gen cards. The dual 390x will tide me over until then for sure.

Plus, I like that I made it myself and it was effective. Both of my cards can do 1250mhz now, which is better than almost all of the 390x I know of so far. Maybe a few are better, but good enough for me. thumb.gif

I didn't mean to say yours would not perform as well I simply wanted to say that there are options out there if you want a more compact solution. I also often just post comments of stuff like that for everyone else who reads these threads, since I know I often find stuff by reading through threads that way. That said I'm always for DIY stuff, it makes everything way more fun and there is something special about having a unique piece that you built yourself.

As for waht is effective and what isn't... you will actually get a long way by just air cooling your VRMs, it won't perform as well as water but even modest air cooling will significantly improve VRM temps. That said, personally I really want those cool temps when I increase the voltage.
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post #2954 of 3007
Quote:
Originally Posted by Rainmaker91 View Post

I didn't mean to say yours would not perform as well I simply wanted to say that there are options out there if you want a more compact solution. I also often just post comments of stuff like that for everyone else who reads these threads, since I know I often find stuff by reading through threads that way. That said I'm always for DIY stuff, it makes everything way more fun and there is something special about having a unique piece that you built yourself.

As for waht is effective and what isn't... you will actually get a long way by just air cooling your VRMs, it won't perform as well as water but even modest air cooling will significantly improve VRM temps. That said, personally I really want those cool temps when I increase the voltage.

Oh, no worries at all. I knew you were just being open minded about it. And some here would never want to try what I did any way. I know that. I was just saying I am happy with the results. VRM's stay under 55c even with high OC.

Less when gaming than that. So all in all, good results for a small amount of money. (about $30 total for copper, fittings, and such)

I even had some clear lacquer I sprayed on them after polishing with steel wool. smile.gif
     
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post #2955 of 3007
First post,

I tried the Red Mod independently of this thread, just got drunk and had a spare H55 to strap on. Then found this forum by looking for other results.

My zippy tie job is terrible, tried on a spare 5870 and thought I would share my temps.

Reference HD5870, Corsair H55, 'whatever I had lying around' thermal paste. No cooling on VRMs or VRAMs.

I was looking at 48ºc idle with original fan and it ramps up to well in the 90ºc' s under load.

Now I have 24ºc idle and trying a burn in for over 30 minutes hashing with Hashcat on tuned (but stock clocking - I havent even tried OCing it yet) I have 47ºc at 100% load. VRMs are at 55ºc with zero heatsinks - just ripped the factory cooler off and gave it a test run.

Now I shall try a R9 270, R9 280x, HD 6970 and HD6790!

The thread was a great read that helped independently confirm my project, thanks to all that posted information that I used to say 'yup I'm on a winner'! And yes the VRMs haven't even been cleaned haha!

SNDlmIo.gif

KovB2bF.png
Edited by ZeekW - 6/17/16 at 11:23pm
post #2956 of 3007
Hey, I've attempted the red mod, but I'm having some issues with temperatures frown.gif I'd really appreciate some help troubleshooting this issue.

At idle, the GPU is sitting at a happy ~30°C, but as soon as I run FurMark it hits ~90°C within a second. It does sit stable there with the fans running at 100%, but that's nowhere near the behaviour I was expecting from this. Additionally FurMark's temperature readout claims the GPU is siting at a cool constant 30°C the entire time. Not sure where it's pulling that number from.

Here's the graph of me running FurMark for a few seconds. Temp in green, Load in grey


The components I'm running are as follows:
GPU: R9 390 Gigabyte G1 Gaming
AIO: NZXT Kraken X31




I don't think I missed any important installation steps.
  1. Take off air cooler
  2. Wipe TIM off GPU
  3. Mount heatsinks to VRMs
  4. Apply half a rice grain worth of TIM
  5. Zipties
  6. Small fan pointing at the VRM

This seemed like an issue with the waterblock not having proper contact with the GPU. I undid the zipties and had a look, the thermal paste seemed like it was smooshed pretty thin. I reapplied thermal paste and remounted the block. Firmly, but not overly tight. Same results, bah!

Any ideas for what I can do to diagnose this issue?
post #2957 of 3007
Quote:
Originally Posted by ljjop View Post

Hey, I've attempted the red mod, but I'm having some issues with temperatures frown.gif I'd really appreciate some help troubleshooting this issue.

At idle, the GPU is sitting at a happy ~30°C, but as soon as I run FurMark it hits ~90°C within a second. It does sit stable there with the fans running at 100%, but that's nowhere near the behaviour I was expecting from this. Additionally FurMark's temperature readout claims the GPU is siting at a cool constant 30°C the entire time. Not sure where it's pulling that number from.

Here's the graph of me running FurMark for a few seconds. Temp in green, Load in grey


The components I'm running are as follows:
GPU: R9 390 Gigabyte G1 Gaming
AIO: NZXT Kraken X31




I don't think I missed any important installation steps.
  1. Take off air cooler
  2. Wipe TIM off GPU
  3. Mount heatsinks to VRMs
  4. Apply half a rice grain worth of TIM
  5. Zipties
  6. Small fan pointing at the VRM

This seemed like an issue with the waterblock not having proper contact with the GPU. I undid the zipties and had a look, the thermal paste seemed like it was smooshed pretty thin. I reapplied thermal paste and remounted the block. Firmly, but not overly tight. Same results, bah!

Any ideas for what I can do to diagnose this issue?

Not enough TIM. Should be a pea sized droplet of TIM. And the TIM has to spread out to cover the entire chip.

That is my only thought.
post #2958 of 3007
Quote:
Originally Posted by ljjop View Post

Hey, I've attempted the red mod, but I'm having some issues with temperatures frown.gif I'd really appreciate some help troubleshooting this issue.

At idle, the GPU is sitting at a happy ~30°C, but as soon as I run FurMark it hits ~90°C within a second. It does sit stable there with the fans running at 100%, but that's nowhere near the behaviour I was expecting from this. Additionally FurMark's temperature readout claims the GPU is siting at a cool constant 30°C the entire time. Not sure where it's pulling that number from.

Here's the graph of me running FurMark for a few seconds. Temp in green, Load in grey


The components I'm running are as follows:
GPU: R9 390 Gigabyte G1 Gaming
AIO: NZXT Kraken X31




I don't think I missed any important installation steps.
  1. Take off air cooler
  2. Wipe TIM off GPU
  3. Mount heatsinks to VRMs
  4. Apply half a rice grain worth of TIM
  5. Zipties
  6. Small fan pointing at the VRM

This seemed like an issue with the waterblock not having proper contact with the GPU. I undid the zipties and had a look, the thermal paste seemed like it was smooshed pretty thin. I reapplied thermal paste and remounted the block. Firmly, but not overly tight. Same results, bah!

Any ideas for what I can do to diagnose this issue?

Pull the block off and resat it. You somehow are not getting good contact. I've seen this before too, could be the TIM not touching the corners or its not flat on the die. It happens, just try again until you get it right.
     
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post #2959 of 3007
Is the pump working properly?
post #2960 of 3007
Thank you for the suggestions Egilman and battleaxe!

I reaffixed it and it started working great! idling at ~25°C and peaking at a nice quiet 60°C. I think it was tightening it a bit too gingerly.
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