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[Official] AMD/ATI GPU Mod Club - AKA "The Red Mod" - Page 130

post #1291 of 3006
Ok, I've been at this mod for 2 days now, can't get the fricking thing to work right!

I'm trying to fit a Kuhler 920 onto my radeon 7950 using the zip-tie method. I reseated the kuhler/shim over a dozen times and each time it seems the damn thing doesn't want to stay in place (it always moves when i'm manipulating the tubes. The zip-ties are as tight as they can be between the kuhler and the pcb. It's always the same thing, liquid temp is around 30-35c while my load temps keep getting higher and higher in the 70s...

Any advice on how to squeeze these together? I also tried different TIM application method (lines, X, spread, dot) but the problem really seems to be coming from the fact that the kuhler keeps moving even after all the zip-ties are as tight as they'll go.
post #1292 of 3006
Quote:
Originally Posted by Eljoka View Post

Ok, I've been at this mod for 2 days now, can't get the fricking thing to work right!

I'm trying to fit a Kuhler 920 onto my radeon 7950 using the zip-tie method. I reseated the kuhler/shim over a dozen times and each time it seems the damn thing doesn't want to stay in place (it always moves when i'm manipulating the tubes. The zip-ties are as tight as they can be between the kuhler and the pcb. It's always the same thing, liquid temp is around 30-35c while my load temps keep getting higher and higher in the 70s...

Any advice on how to squeeze these together? I also tried different TIM application method (lines, X, spread, dot) but the problem really seems to be coming from the fact that the kuhler keeps moving even after all the zip-ties are as tight as they'll go.

I didn't get a good seat until my third mount, using the spread method. GPU dies are way bigger then CPUs and every bit must be covered, so bottom of the shim NEEDS to be the spread method. Above the shim you may get away with a line, but I would spread above it too just in case.

I was able to put my thumb on the PCB behind the GPU to hold pressure on the block with one hand, use the other to push the top of the zip tie down, and tighten the zip ties by pulling on the end with my teeth LOL. A second person would be a ton of help...its hard to get zip ties tight and it takes quite a bit of mounting pressure for a waterblock to seat correctly.
Behemoth
(25 items)
 
  
CPUMotherboardGraphicsGraphics
Intel i7 4790K "Relidded" @ 5ghz <50c Asus Sabertooth Z97 MK1 Custom WC'd 7970 3GB @ 1100/1500 stock volts Custom WC'd 7970 3GB @ 1100/1500 stock volts 
RAMHard DriveCoolingCooling
2X4GB Patriot Viper Extreme 1TB Velociraptor 10k RPM w/ 64MB Cache Two Arqtik TEC Chillers in Series Archimedes TEC block w/TN660 TEC 
CoolingCoolingCoolingCooling
Two Ported/tapped MCP655 Pumps 2x Black Ice GTX 480 Gen2 Rads DD dual drive bay Res with LCD water temp monit... GPU Loop: Modded Enzotech Sapphire CPU blocks, ... 
CoolingOSOSMonitor
36x Globe 120mm 80cfm server fans Win 10 Pro Mint 15(KDE) 4K 28" Samsung U590D 
KeyboardPowerCaseMouse
Logitech G710+ Mechanical CM Silent Power M 1000watt Main, OCZ Z850W Slave Custom Mountain Mods Extended-Extended Ascension Logitech G502 Proteus 
Mouse PadAudioAudioAudio
Homemade 16ga 304 Stainless pad, Neoprene backed Aune T1 DAC Various Tubes: Mostly switching from 60's GE "S... AKG K7XX Headphones 
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Behemoth
(25 items)
 
  
CPUMotherboardGraphicsGraphics
Intel i7 4790K "Relidded" @ 5ghz <50c Asus Sabertooth Z97 MK1 Custom WC'd 7970 3GB @ 1100/1500 stock volts Custom WC'd 7970 3GB @ 1100/1500 stock volts 
RAMHard DriveCoolingCooling
2X4GB Patriot Viper Extreme 1TB Velociraptor 10k RPM w/ 64MB Cache Two Arqtik TEC Chillers in Series Archimedes TEC block w/TN660 TEC 
CoolingCoolingCoolingCooling
Two Ported/tapped MCP655 Pumps 2x Black Ice GTX 480 Gen2 Rads DD dual drive bay Res with LCD water temp monit... GPU Loop: Modded Enzotech Sapphire CPU blocks, ... 
CoolingOSOSMonitor
36x Globe 120mm 80cfm server fans Win 10 Pro Mint 15(KDE) 4K 28" Samsung U590D 
KeyboardPowerCaseMouse
Logitech G710+ Mechanical CM Silent Power M 1000watt Main, OCZ Z850W Slave Custom Mountain Mods Extended-Extended Ascension Logitech G502 Proteus 
Mouse PadAudioAudioAudio
Homemade 16ga 304 Stainless pad, Neoprene backed Aune T1 DAC Various Tubes: Mostly switching from 60's GE "S... AKG K7XX Headphones 
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post #1293 of 3006
Haven't got the time to reseat again, but I'd like to know if it's normal, after zip-tying the cooler to the GPU (with shim), for me to still be able to twist the cooler or should it be tight and unmovable?
post #1294 of 3006
Quote:
Originally Posted by Eljoka View Post

Haven't got the time to reseat again, but I'd like to know if it's normal, after zip-tying the cooler to the GPU (with shim), for me to still be able to twist the cooler or should it be tight and unmovable?

It will still twist - the zipties are not solid and will allow some lateral movement.

It shouldn't spin freely, but will rotate a bit if you tweak it. It shouldn't, however, move vertically at all.
Behemoth
(25 items)
 
  
CPUMotherboardGraphicsGraphics
Intel i7 4790K "Relidded" @ 5ghz <50c Asus Sabertooth Z97 MK1 Custom WC'd 7970 3GB @ 1100/1500 stock volts Custom WC'd 7970 3GB @ 1100/1500 stock volts 
RAMHard DriveCoolingCooling
2X4GB Patriot Viper Extreme 1TB Velociraptor 10k RPM w/ 64MB Cache Two Arqtik TEC Chillers in Series Archimedes TEC block w/TN660 TEC 
CoolingCoolingCoolingCooling
Two Ported/tapped MCP655 Pumps 2x Black Ice GTX 480 Gen2 Rads DD dual drive bay Res with LCD water temp monit... GPU Loop: Modded Enzotech Sapphire CPU blocks, ... 
CoolingOSOSMonitor
36x Globe 120mm 80cfm server fans Win 10 Pro Mint 15(KDE) 4K 28" Samsung U590D 
KeyboardPowerCaseMouse
Logitech G710+ Mechanical CM Silent Power M 1000watt Main, OCZ Z850W Slave Custom Mountain Mods Extended-Extended Ascension Logitech G502 Proteus 
Mouse PadAudioAudioAudio
Homemade 16ga 304 Stainless pad, Neoprene backed Aune T1 DAC Various Tubes: Mostly switching from 60's GE "S... AKG K7XX Headphones 
  hide details  
Reply
Behemoth
(25 items)
 
  
CPUMotherboardGraphicsGraphics
Intel i7 4790K "Relidded" @ 5ghz <50c Asus Sabertooth Z97 MK1 Custom WC'd 7970 3GB @ 1100/1500 stock volts Custom WC'd 7970 3GB @ 1100/1500 stock volts 
RAMHard DriveCoolingCooling
2X4GB Patriot Viper Extreme 1TB Velociraptor 10k RPM w/ 64MB Cache Two Arqtik TEC Chillers in Series Archimedes TEC block w/TN660 TEC 
CoolingCoolingCoolingCooling
Two Ported/tapped MCP655 Pumps 2x Black Ice GTX 480 Gen2 Rads DD dual drive bay Res with LCD water temp monit... GPU Loop: Modded Enzotech Sapphire CPU blocks, ... 
CoolingOSOSMonitor
36x Globe 120mm 80cfm server fans Win 10 Pro Mint 15(KDE) 4K 28" Samsung U590D 
KeyboardPowerCaseMouse
Logitech G710+ Mechanical CM Silent Power M 1000watt Main, OCZ Z850W Slave Custom Mountain Mods Extended-Extended Ascension Logitech G502 Proteus 
Mouse PadAudioAudioAudio
Homemade 16ga 304 Stainless pad, Neoprene backed Aune T1 DAC Various Tubes: Mostly switching from 60's GE "S... AKG K7XX Headphones 
  hide details  
Reply
post #1295 of 3006
right my heatsinks for the vrms and my shim has arrived for my 7950 and im unsure if to mod it or not,
I have a h60 bracket and a 620 bracket and I would prefer to use the h60 bracket, would it fit on the card with no modifications
post #1296 of 3006
Finally got both of my cards modded and working! One of them isn't seated properly but still manages to work OK for now (I'll reseat it later, I knew upfront it wouldn't be ideal because I moved the shim once it was placed on the die). Turns out I just wasn't tightening the zip-ties enough!

I use this PC to mine Litecoin and before the mod, I had the GPU fans working at 85 % with 2 box fans in the room, one to evacuate hot air outside and the other blowing on the GPUs... Still, wih this setup my temps were hovering between 65C and 75C depending on the time of the day. Imagine the noise coming from 2 GPUs at 85 % and 2 box fans...

Now, with both GPUs modded and fans working at 50 % on the rads, I get temps of 62 C. The best part : no more box fans in the room. Just for the noise reduction it was totally worth it, room is finally back at near silent state (50 % fans in a closed case only results in a slight humming sound)!

I think I will order some brackets and install heatsinks on the VRAMs (already a stock heatsink on the VRM) because I'm afraid to cook them (I can't let my finger on them for more than 2 seconds because of the heat).
post #1297 of 3006
Pmd you bk:
Just put enzotech coolers on vrms n other lil chips
How can I take sticker off without voiding warranty on the screw
post #1298 of 3006
Anyone who did this to a Gigabyte Radeon 7950 Windforce 3? If so, I'd like to buy your stock fan shroud (the black plastic piece with the 3 fans attached to it). Pm me.
post #1299 of 3006
Okay, I had to RMA card and I am "trying" the mod again.

Problem is, my MSI Lightning card does not seem to like this mod. When I remove the Twin Frozr and mount the cooling block the card refuses to run correctly. I either get HORRIBLE artifacts on the screen, or it will not boot up at all.

Could this be a ground problem? Is there something special about the Twin Frozr heatsink? Does the card need a fan plugged in to run or is it simply not working because I don't have a tight fit?


If anyone has their lightning 7970 working, let me know please!!!
post #1300 of 3006
I have seen one other user who's card simply would not work modded. Puting back to stock fixed all issues with artifacting. The pump was an old h50 but worked fine the poster mentioned. Temps were what would be expected with the modded card which is to say very good lol.

Check the usual things. Fans running, pump is operating, card has airflow to pcb components, temps are good.
Not posting suggests a short. See that nothing touches the pcb.
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