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[Official] AMD/ATI GPU Mod Club - AKA "The Red Mod" - Page 212

post #2111 of 3006
Quote:
Originally Posted by Dan706 View Post

Cheers @tictoc I might give that a shot and try to use the G10 on my 280x instead. Until the heat sinks arrive I've improvised by zip-tying an old, quiet low profile HDD bay fan to the underside of the card and that's dropped the VRM1 temps down from 100c to 80c in Furmark and I slightly adjusted the pump positioning and dropped the GPU temp down to 55 deg under load. Score.

Stick the heatsink in the oven at 450 degrees until the copper part and aluminum fins fall off the heat plate and then reinstall the heat plate. It will cool your ram and let you keep the stock fan for cooling vrms..

post #2112 of 3006
So, I am looking for a thermal pad for the heatsink that will go on the VRMs. Is 1mm thickness going to be enough?
post #2113 of 3006
Quote:
Originally Posted by KGBinUSA View Post

So, I am looking for a thermal pad for the heatsink that will go on the VRMs. Is 1mm thickness going to be enough?

You can get .5mm adhesive thermal pads that might give you a tiny bit more headroom if your heat sinks are tall.
post #2114 of 3006
Quote:
Originally Posted by Dan706 View Post

You can get .5mm adhesive thermal pads that might give you a tiny bit more headroom if your heat sinks are tall.

Adhesive is not going to hold the monster that I will be putting on VRM1. I will bolt the heatsink on both sides to the PCB.
post #2115 of 3006
@KGBinUSA I don't think the adhesive is designed to support weight, but so that it doesn't move around when you're trying to position the heat sink.

Everyone else.. I've finally finished my 7970 Red Mod. You guys saw it move from naked (and decapsulated) with a CLC, to a CLC with a vintage HDD bay cooler strapped down with Zip Ties and after some modding of the old stock heat sink and some cutting of the shroud it is now complete. I aplologise in advance for the poor quality of the shots.

Flowing the solder off of the stock heat sink, thanks to @tictoc for the heads up on this. This is probably the least delicious thing to ever come out of my oven. Warning: Spoiler! (Click to show)

Here I'm drilling out the little "fingers" that protrude through the PCB to allow the stock back-plate to be screwed in place so that I can use the proven Zip Tie mounting method. Warning: Spoiler! (Click to show)

In these pics you can see the stock heat sink affixed to the PCB and the alloy stand-off that usually surrounds the GPU Die "decapsulated" which was mentioned earlier in this thread with a short guide on how to get it done without killing your card or losing a finger. The lower pic is of the CLC in position on the stock heat sink with the zip ties in place. Warning: Spoiler! (Click to show)


Modding the stock shroud with a bit of assistance from the trusty Dremel 3000, a cutting wheel and a grinder attachment. Warning: Spoiler! (Click to show)

Finally, here's a pic of it all fitted and running with the modified stock shroud Warning: Spoiler! (Click to show)

I'm running the stock fan as low as possible to keep the noise down and I'm finding the GPU cooler than before coming in at 51 deg under load in Furmark at 26 ambient, but VRM 1 is noticeably hotter at around 90 degrees with the stock heat sink in place even with a fresh set of 0.5mm thermal pads fitted. The VRM only hits 70 in Far Cry 3 though which is acceptable. I'll have a play with the stock fan speeds and see if that nets me any changes in temp.

Edit: Temps before load were +/- 80c on the GPU in Furmark (Lower again in Far Cry etc) and similar on the VRM. When I had a fan only on the VRM they were 10 deg cooler. I think I might have mentioned this in an earlier post, but the main problem was that my 7970 was horrendously loud, and now the fan rarely gets over 50%.

Cheers for reading [=
Edited by Dan706 - 3/25/14 at 5:05am
post #2116 of 3006
Quote:
Originally Posted by Dan706 View Post

@KGBinUSA I don't think the adhesive is designed to support weight, but so that it doesn't move around when you're trying to position the heat sink.

Everyone else.. I've finally finished my 7970 Red Mod. You guys saw it move from naked (and decapsulated) with a CLC, to a CLC with a vintage HDD bay cooler strapped down with Zip Ties and after some modding of the old stock heat sink and some cutting of the shroud it is now complete. I aplologise in advance for the poor quality of the shots.

Flowing the solder off of the stock heat sink, thanks to @tictoc for the heads up on this. This is probably the least delicious thing to ever come out of my oven. Warning: Spoiler! (Click to show)

Here I'm drilling out the little "fingers" that protrude through the PCB to allow the stock back-plate to be screwed in place so that I can use the proven Zip Tie mounting method. Warning: Spoiler! (Click to show)

In these pics you can see the stock heat sink affixed to the PCB and the alloy stand-off that usually surrounds the GPU Die "decapsulated" which was mentioned earlier in this thread with a short guide on how to get it done without killing your card or losing a finger. The lower pic is of the CLC in position on the stock heat sink with the zip ties in place. Warning: Spoiler! (Click to show)


Modding the stock shroud with a bit of assistance from the trusty Dremel 3000, a cutting wheel and a grinder attachment. Warning: Spoiler! (Click to show)

Finally, here's a pic of it all fitted and running with the modified stock shroud Warning: Spoiler! (Click to show)

I'm running the stock fan as low as possible to keep the noise down and I'm finding the GPU cooler than before coming in at 51 deg under load in Furmark at 26 ambient, but VRM 1 is noticeably hotter at around 90 degrees with the stock heat sink in place even with a fresh set of 0.5mm thermal pads fitted. The VRM only hits 70 in Far Cry 3 though which is acceptable. I'll have a play with the stock fan speeds and see if that nets me any changes in temp.

Cheers for reading [=

Nice work. thumb.gif What were your temps before under load?
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post #2117 of 3006
Yesterday the Russian Postal Service informed me that my Gelid kit arrived. And so, after three hours of setting the things up and running, I'm sharing with you my Red Mod.

First of all, it's a hot-as-hell XFX R9 280X DD and Zalman LQ310. Running forward I'd like to admit, that the card is still inferno. Down the text gonna tell you why.

The mod completed

Here you can see the card with CLC mounted using Pulse Modding bracked (painted black matte) and Noiseblocker 92mm 1500rpm fan blowing directly to Gelid's vrm kit. Pump is connected to card's fan connector using Gelid connector (no pwm though).

About the Gelid kit. I've bought "lined mounting holes" version, but still have to work on it to get things right.
Sanded down the "bottom" of the radiator and "opened" one of the mounting holes. Later i'm planning to sand the radiator and paint it black matte.
From the Gelid website


Modification of the mounting hole




To mount weterblock/pump I've used screws from my local shop and some nuts from CLC mounting set.


Everything set up



With the CLC I'm using Noiseblocker 120mm 1000rpm fan. Isn't powerful enough to blow through radiator, but completely silent.

And now about the issues. Gelid vrm radiator isn't high enough - it touches those grey elements underneath with its fins. And sanding down the bottom (to make mounting possible) made the situation even worse. Had to use 1.5mm phobya xt thermal pad, which I think is too thick. Still i'm not sure the contact is good at every hot element. VRM temperatures is 92 at first and 91 at second sensors (cgminer). Better than 115 and throttling at stock. Yeah, sick, I know. XFX at it's best. No other option for now. Later I'll try to rotate VRM rad (cutting a couple of fins) and place it on the 0,5 mm thermal pad Gelid selling with it. Hope it helps. The other problem is GPU temp - 79 (cgminer). Think that's cause 1000rpm silent noiseblocker (push only configuration). And overall system temperature is excessively high (cpu 60+) cause heat from the radiator is blowed by fan right into the case and there through the cpu cooler goes out from the PSU.

That's all for now. Later I'll gonna post the temp updates as I'll mod the VRMs.

ps Sorry for my english.
post #2118 of 3006
Quote:
Originally Posted by celes7ial View Post

Yesterday the Russian Postal Service informed me that my Gelid kit arrived. And so, after three hours of setting the things up and running, I'm sharing with you my Red Mod.
Warning: Spoiler! (Click to show)
First of all, it's a hot-as-hell XFX R9 280X DD and Zalman LQ310. Running forward I'd like to admit, that the card is still inferno. Down the text gonna tell you why.

The mod completed

Here you can see the card with CLC mounted using Pulse Modding bracked (painted black matte) and Noiseblocker 92mm 1500rpm fan blowing directly to Gelid's vrm kit. Pump is connected to card's fan connector using Gelid connector (no pwm though).

About the Gelid kit. I've bought "lined mounting holes" version, but still have to work on it to get things right.
Sanded down the "bottom" of the radiator and "opened" one of the mounting holes. Later i'm planning to sand the radiator and paint it black matte.
From the Gelid website


Modification of the mounting hole




To mount weterblock/pump I've used screws from my local shop and some nuts from CLC mounting set.


Everything set up



With the CLC I'm using Noiseblocker 120mm 1000rpm fan. Isn't powerful enough to blow through radiator, but completely silent.

And now about the issues. Gelid vrm radiator isn't high enough - it touches those grey elements underneath with its fins. And sanding down the bottom (to make mounting possible) made the situation even worse. Had to use 1.5mm phobya xt thermal pad, which I think is too thick. Still i'm not sure the contact is good at every hot element. VRM temperatures is 92 at first and 91 at second sensors (cgminer). Better than 115 and throttling at stock. Yeah, sick, I know. XFX at it's best. No other option for now. Later I'll try to rotate VRM rad (cutting a couple of fins) and place it on the 0,5 mm thermal pad Gelid selling with it. Hope it helps. The other problem is GPU temp - 79 (cgminer). Think that's cause 1000rpm silent noiseblocker (push only configuration). And overall system temperature is excessively high (cpu 60+) cause heat from the radiator is blowed by fan right into the case and there through the cpu cooler goes out from the PSU.

That's all for now. Later I'll gonna post the temp updates as I'll mod the VRMs.

ps Sorry for my english
.

you can try reversing the fans on your rad or use a piece of cardboard and another 80mm fan to funnel heat out of the top or side.
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post #2119 of 3006
@celes7ial - Just did the Red Mod on my primary GPU and put the rad exhausting behind my air cooled overclocked i7 930 and my GPU temps rarely get above 50 even with a bit of an overclock applied.

Pic below to describe how I have the rad installed. Warning: Spoiler! (Click to show)
post #2120 of 3006
I'm a fan of SFF and could not take such a big case. biggrin.gif I'm using Elite 130 and there's a problem with hot air accumulates inside the case. Temps like yours is not possible here, but I'm working at this right now. Gonna share the experience here. Maybe someday it'll be useful for someone.
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