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[Official] AMD/ATI GPU Mod Club - AKA "The Red Mod" - Page 94

post #931 of 3007
Hey guys, after discussing with a few of you as to how to best cool my setup (pic below), I've decided to embark on this adventure and attempt the MOD on my crossfired XFX 7950 setup.



Note: intake is on the left and exhaust on the right.

I'm going to attempt to cool both the GPUs using the Asetec GF760 GPU/CPU cooling loop and hope the tubing lengths are enough:

http://www.ebay.com/itm/Asetek-760GC-Combo-Liquid-Cooler-NVIDIA-GTX-470-480-570-580-/280965116990?pt=US_CPU_Fans_Heatsinks&hash=item416ad3743e

Having talked to Caprirs302, its possible to remove the in-built bracket attached to the GPU cooler, so I can use it with dwood's brackets.

As you can see, the space between the cards is very small. In terms of cooling the VRMs, I will use a thin 100 mm x 12 mm fan mounted onto Dwood's 92 mm fan bracket:

http://www.systo.co.uk/components/chassis-components/computer-cooling-components/scythe-kaze-jyu-slim-1000-sy1012sl12l.html

The thermaltake 2.0 performer currently cooling my CPU will continue to cool the CPU, however it's rad will be mounted at the front of the case as intake, and the GPUs rad will be located at the back (to account for the short length of tubing CPU HS --> Rad = 8")

Some additional things on my shopping list include:

2x Copper shims from Dwood
2x Noctua NF-12 fans for the GPU radiators
2x Pump bracket + fan option (Black) from Dwood

Can anyone see any problems of this fitting into my case? Or have any recommendations / suggestions?

I've seen these VRMs heatsinks, however I'm not too sure about how they work/what they do? Are they essentially fins attached to specific parts of the GPU to allow heat transfer?

Going to be one hell of a mission, but I'm excited! I'd Like to thank sunset1 for suggesting this route!
Edited by smacchesney - 3/10/13 at 9:16am
post #932 of 3007
I saw this on google and decided I would post what I just did. I have now put ramsinks on the card instead of the black heatplate. The system is comprised of the "Larkooler watercooling system". I am surprised by how well it ended up working!





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post #933 of 3007
Here's my work MSI R7970 Lightning + COOLER MASTER Seidon 240M



Edited by isajlovic - 3/11/13 at 1:14pm
post #934 of 3007
Sweeeet! What are temps??
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post #935 of 3007
@smacchesney remember that the radiators arent square so you will prob loose a fan on top or bottom.. and place hoses towards the bottom so it doesnt suck air.. um you will need screws but i dont have the size with me possibly someone can post them.. use washers if they are too long and you are just mounting fans to the rad on one side they have to be a tad longer when they go thru the case on the back side.
make sure the connector on the pump/block fits into the fan header on the video card. Or use an adapter that i posted.. Most people suggest running the main pump off of a molex power adapter to get full power as motherboards dont always give full power or use the 4 in one i showed you. You are already pulling a lot of power thru that mobo so running fans that start and stop a lot would be better to run straight thru the power supply (however i have done it both ways. ) but not with 2 7970's

Hopefully someone else can chime in on this..


isajlovic and criss969 wow im so glad you posted those photos.. as i got a package from ups friday.. here is the wierd part its a msi r7970 power editon.. btw i have one of those larkool kits that i got when they went on sale as i needed a cheap pump for a overclocking experiment i was doing..
Warning: Spoiler! (Click to show)

it has the bios switch also .. model number r7970 PE 3gd5 and as you can see it has the module on the back the box says tripple overvoltage..
weird. I wanted a lightning and looked all over for one and msi said its not made anymore.. so i took a chance on this.. I looked at photos of one on a review site it has the same memory modules, gold chokes.. etc.


oh one last thing there is a gigabyte 7970 on sale on newegg for 379 after rebate that has the voltage locked bios however .. there is also a detailed post on ocn that claims he got it to work and how he did it. :>
ill provide the link but please submit any comments and questions about it to the poster of the bios mod so we can keep this topic on track..

here are the links to the card on newegg and the bios mod link.


http://www.newegg.com/Product/Product.aspx?Item=14-125-413&nm_mc=EMC-GD031113&cm_mmc=EMC-GD031113-_-index-_-Item-_-14-125-413

bios mod link on ocn
http://www.overclock.net/t/1294856/cant-increase-voltage-gigabyte-7970-windforce-3x-gv-r797oc-3gd/130#post_19490319
Edited by sunset1 - 3/11/13 at 2:50pm
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post #936 of 3007
Quote:
Originally Posted by sunset1 View Post

isajlovic and criss969 wow im so glad you posted those photos.. as i got a package from ups friday.. here is the wierd part its a msi r7970 power editon.. btw i have one of those larkool kits that i got when they went on sale as i needed a cheap pump for a overclocking experiment i was doing..
I am using the included Larkooler GPU block, but the included mounting hardware doesn't even tighten the damn block. So instead I just ziptied it down and so far it is working flawlessly! Btw I am jelly of the R7970!!
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post #937 of 3007
It looks like a lightning.. its kinda freaky i cant verify till i see a lightning but so far everything matches up..
there are some photos in a review so when i pull it apart to do the gpu mod.. ill know for sure.
the only difference is it doesnt say lightning on the front pcb at the bottom and stock clocks are a bit slower.. I still have to see if it opens up the voltage and memory..
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post #938 of 3007
CASE : CM HAF XB
MOTHERBOARD : ASUS SABERTOTH 990FX R2.0
CPU : AMD FX-8350 8cores @ 4600GHz WC
RAM : Patriot Viper Extreme 16GB DDR3-1866
GPU : SAPPHIRE Crossfire HD 7970 @ 1125/1575 WC
SSD : ADATA SX 900 128GB
HDD : Seagate Barracuda 1TO (jeux), Seagate Barracuda 1TO (etc.)
KEYBOARD : G510
MICE : G500
HEADSET : G35

bon retour sur un autre mod, avec comme boitier un HAF XB et 6 fans typhoon et un crossfire 7970 et un petit 8cores le FX-8350







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post #939 of 3007
heh i thought that case was pretty slick when it came out.. Nice job bud. thumb.gif
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blu-ray burner Thermaltake water 2.0 Extreme (cpu) Thermaltake water 2.0 pro 2gpu 1clc with corsai... windows7 home pro 
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samsung T260 25" ms gamer  Seasonic 750x gold Coolermaster Haf 22 Modified 
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blu-ray burner Thermaltake water 2.0 Extreme (cpu) Thermaltake water 2.0 pro 2gpu 1clc with corsai... windows7 home pro 
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samsung T260 25" ms gamer  Seasonic 750x gold Coolermaster Haf 22 Modified 
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post #940 of 3007
Quote:
@smacchesney remember that the radiators arent square so you will prob loose a fan on top or bottom.. and place hoses towards the bottom so it doesnt suck air.. um you will need screws but i dont have the size with me possibly someone can post them.. use washers if they are too long and you are just mounting fans to the rad on one side they have to be a tad longer when they go thru the case on the back side.
make sure the connector on the pump/block fits into the fan header on the video card. Or use an adapter that i posted.. Most people suggest running the main pump off of a molex power adapter to get full power as motherboards dont always give full power or use the 4 in one i showed you. You are already pulling a lot of power thru that mobo so running fans that start and stop a lot would be better to run straight thru the power supply (however i have done it both ways. ) but not with 2 7970's

Thanks for the info.

I don't think I'll need to remove a fan, as I'll have push/pull configuration on the intake fan. Here's a simple paint image of what I mean:



However you are right - I'll need some screws to attach the fans to the new radiator. I'll need to do more research! I'm guessing the GC760 doesn't come with screws?
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