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Helpful ReplyAnother Thermal Pad Thread.

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NucleusX
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2016/11/03 19:33:09 (permalink)
I'm over it, we're all over it, it is what it is, so rather than complain about things, some of us more daring people can move on
with constructive discussion to reign in these fire-breathing suicidal monsters. The main point is obviously thermal pads, and
personally I've decided to go all out and replace all of the thermal pads on the VRAM, and VRM's with new thermal pads from
Thermal Grizzly. They cost a bit more for their better specs, and some think it might be excessive, but i believe they'l prove
beneficial by sinking heat more efficiently, and achieve worthwhile gains to a card that could really use it right now. I've taken
the overkill path, but its up to the individual to decide how far to go here. The place i started first was the VRAM. To counter the
possibility that there wasn't enough pressure bearing down on VRAM pads, and to keep the cooler layers evenly spaced throughout,
I've selected 20mm x 1.5mm strips for the VRAM and VRM's on the same side of the base-plate. On the other side of the base-plate,
between it and the heat-sink at the VRM's is a 20mm x 0.5mm strip, I thought it was important to keep this one as low as possible.
Finally, a 20mm x 1.5mm strip between the PCB and back-plate. You can use 10mm strips if you like, but i chose 20mm to have
more surface area  to make contact with, and get this thing well fortified and torture-proof, well, that's the idea anyways ! That's
my approach, and I'm about to dive right into it, but i can't decide on whether i should make the VRAM thermal pads as strips to
cover multiple memory modules, or give them their own square thermal pad, i'd like to know what others have to say about this.
 
post edited by NucleusX - 2016/11/03 19:45:06

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pingseng
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Re: Another Thermal Pad Thread. 2016/11/03 20:00:35 (permalink)
I willing to hands on too. Rather than sit and complain "we need problem been fixed not teach us how to fix by ourselves as customer"
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the_Scarlet_one
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Re: Another Thermal Pad Thread. 2016/11/03 20:03:46 (permalink)
Most of my original cards had strips on the vram, while the newest cards have individual squares.

All of my waterworks used individuals squares rather than a strip.

I say go individual personally.

As for the thermal grizzly pads, could you see if they are firm or soft pads for me? I recently started using the thermal grizzly kryonaut TIM, and really like it. I would say it is as good as MX-4, and I like mx-4 a lot.
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libneon
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Re: Another Thermal Pad Thread. 2016/11/03 20:10:19 (permalink)
NucleusX
I'm over it, we're all over it, it is what it is, so rather than complain about things, some of us more daring people can move on
with constructive discussion to reign in these fire-breathing suicidal monsters. The main point is obviously thermal pads, and
personally I've decided to go all out and replace all of the thermal pads on the VRAM, and VRM's with new thermal pads from
Thermal Grizzly. They cost a bit more for their better specs, and some think it might be excessive, but i believe they'l prove
beneficial by sinking heat more efficiently, and achieve worthwhile gains to a card that could really use it right now. I've taken
the overkill path, but its up to the individual to decide how far to go here. The place i started first was the VRAM. To counter the
possibility that there wasn't enough pressure bearing down on VRAM pads, and to keep the cooler layers evenly spaced throughout,
I've selected 20mm x 1.5mm strips for the VRAM and VRM's on the same side of the base-plate. On the other side of the base-plate,
between it and the heat-sink at the VRM's is a 20mm x 0.5mm strip, I thought it was important to keep this one as low as possible.
Finally, a 20mm x 1.5mm strip between the PCB and back-plate. You can use 10mm strips if you like, but i chose 20mm to have
more surface area  to make contact with, and get this thing well fortified and torture-proof, well, that's the idea anyways ! That's
my approach, and I'm about to dive right into it, but i can't decide on whether i should make the VRAM thermal pads as strips to
cover multiple memory modules, or give them their own square thermal pad, i'd like to know what others have to say about this.
 




You should take some pics of the process if you can, I'd be interested in how it turns out.
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NucleusX
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Re: Another Thermal Pad Thread. 2016/11/03 20:44:21 (permalink)
Scarlet-Tech
Most of my original cards had strips on the vram, while the newest cards have individual squares.

All of my waterworks used individuals squares rather than a strip.

I say go individual personally.

As for the thermal grizzly pads, could you see if they are firm or soft pads for me? I recently started using the thermal grizzly kryonaut TIM, and really like it. I would say it is as good as MX-4, and I like mx-4 a lot.



After just literally watching the new Youtube vidz from Jayztwocents and Gamers Nexus, i got my first insight into the free solution
that EVGA are sending out. They are larger than i first assumed, so I just might get this instead of strips and customize sizes myself.
 
The Minus Pad 8 series appears to be flexible and soft.
 
https://www.pccasegear.com/products/33329/thermal-grizzly-minus-pad-8-100x100x1-5mm-thermal-pad 
 
As for the TIM, i have a tube of MX4 in the toolkit i could use and tbh the MX4 is still quite a useful TIM currently, but I'm considering
using another kind with better thermal specs, not sure yet. Whats the Kryonaut like, is it superior in w/mk ?

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NucleusX
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Re: Another Thermal Pad Thread. 2016/11/03 20:47:27 (permalink)
libneon
 
You should take some pics of the process if you can, I'd be interested in how it turns out.



I just might. I took a stack of high res photos while deconstructing my card, so i'll take a bunch more on the reconstruction. 

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NucleusX
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Re: Another Thermal Pad Thread. 2016/11/03 20:57:30 (permalink)
Just looked it up, the Thermal Grizzly Kryonaut is rated @ 12.5 w/mk, so i think I'm definitely buying a 1 gram tube of that. 
Should have enough left over to do a couple of my CPU's while I'm at it too. That should deliver great results hopefully. The
Thermal Grizzly Conductonaut claims to have 73 w/mk, wonder what kinda temperature numbers that would yield. 
post edited by NucleusX - 2016/11/03 21:18:10

CPU:  Intel 486 DX2. 66Mhz (Turbo). Cooling: LN2.
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NucleusX
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Re: Another Thermal Pad Thread. 2016/11/05 00:43:26 (permalink)
Can anyone else out there comment on whether to use long strips or singular squares of thermal pads on VRAM ?
The strip can cover multiple VRAM modules at the same time and will have more surface area to contact to, but
I'm not entirely sure of the downsides of this, if there are any. Your input is appreciated !
post edited by NucleusX - 2016/11/05 00:58:48

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delicieuxz
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Re: Another Thermal Pad Thread. 2016/11/05 00:54:23 (permalink)
I'd also like to know whether there are performance benefits to using strips vs individual pieces.
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lebel
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Re: Another Thermal Pad Thread. 2016/11/05 01:09:42 (permalink) ☄ Helpfulby NucleusX 2016/11/05 10:47:01
NucleusX
Can anyone else out there comment on whether to use long strips or singular squares of thermal pads on VRAM ?
The strip can cover multiple VRAM modules at the same time and will have more surface area to contact to, but
I'm not entirely sure of the downsides of this, if there is are any. Your input is appreciated !


The higher the thermal conductivity (W/m-k) the better and If possible use the lowest thickness whilst still making full contact i.e 0.5mm.
Another positive effect (see link) in lowering the temperature can be achieved through the use of thermal pads together with (non conductive) liquid thermal pastes, i.e; MX-4. This looks interesting...
 
Interesting link on the subject
https://hw-lab.com/therma...lity.html#introduction
 
 
post edited by lebel - 2016/11/05 01:12:55

 

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NucleusX
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Re: Another Thermal Pad Thread. 2016/11/05 02:25:20 (permalink)
lebel
NucleusX
Can anyone else out there comment on whether to use long strips or singular squares of thermal pads on VRAM ?
The strip can cover multiple VRAM modules at the same time and will have more surface area to contact to, but
I'm not entirely sure of the downsides of this, if there is are any. Your input is appreciated !


The higher the thermal conductivity (W/m-k) the better and If possible use the lowest thickness whilst still making full contact i.e 0.5mm.
Another positive effect (see link) in lowering the temperature can be achieved through the use of thermal pads together with (non conductive) liquid thermal pastes, i.e; MX-4. This looks interesting...
 
Interesting link on the subject
https://hw-lab.com/therma...lity.html#introduction
 
 




Great read in that link, thanks for that. Although, i don't think he really said much about strips vs individual squares
on the VRAM specifically unless i missed it. Now i'm contemplating the use of compound with the pads, but tbh, i'd 
prefer to do this by over-compensating with high quality thermal pads alone. All that extra compound would be messy. 
post edited by NucleusX - 2016/11/05 02:29:28

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lebel
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Re: Another Thermal Pad Thread. 2016/11/05 02:39:36 (permalink)
NucleusX
lebel
NucleusX
Can anyone else out there comment on whether to use long strips or singular squares of thermal pads on VRAM ?
The strip can cover multiple VRAM modules at the same time and will have more surface area to contact to, but
I'm not entirely sure of the downsides of this, if there is are any. Your input is appreciated !


The higher the thermal conductivity (W/m-k) the better and If possible use the lowest thickness whilst still making full contact i.e 0.5mm.
Another positive effect (see link) in lowering the temperature can be achieved through the use of thermal pads together with (non conductive) liquid thermal pastes, i.e; MX-4. This looks interesting...
 
Interesting link on the subject
https://hw-lab.com/therma...lity.html#introduction
 
 




Great read in that link, thanks for that. Although, i don't think he really said much about strips vs individual squares
on the VRAM specifically unless i missed it. Now i'm contemplating the use of compound with the pads, but tbh, i'd 
prefer to do this by over-compensating with high quality thermal pads alone. All that extra compound would be messy. 


 Based on simple thermal dynamics, the heat transference would be greater from point of contact to the plate/heat sink than to excessive pad use. So I would think sufficient squares or strips would make no difference.
Adding the paste seems doable, probably just spread the thinnest layer possible to avoid spill out.
post edited by lebel - 2016/11/05 02:43:47

 

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NucleusX
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Re: Another Thermal Pad Thread. 2016/11/05 07:38:29 (permalink)
lebel
NucleusX
lebel
NucleusX
Can anyone else out there comment on whether to use long strips or singular squares of thermal pads on VRAM ?
The strip can cover multiple VRAM modules at the same time and will have more surface area to contact to, but
I'm not entirely sure of the downsides of this, if there is are any. Your input is appreciated !

The higher the thermal conductivity (W/m-k) the better and If possible use the lowest thickness whilst still making full contact i.e 0.5mm.
Another positive effect (see link) in lowering the temperature can be achieved through the use of thermal pads together with (non conductive) liquid thermal pastes, i.e; MX-4. This looks interesting...
Interesting link on the subject
https://hw-lab.com/therma...lity.html#introduction

 
Great read in that link, thanks for that. Although, i don't think he really said much about strips vs individual squares
on the VRAM specifically unless i missed it. Now i'm contemplating the use of compound with the pads, but tbh, i'd 
prefer to do this by over-compensating with high quality thermal pads alone. All that extra compound would be messy. 


Based on simple thermal dynamics, the heat transference would be greater from point of contact to the plate/heat sink than to excessive pad use. So I would think sufficient squares or strips would make no difference.
Adding the paste seems doable, probably just spread the thinnest layer possible to avoid spill out.




I'm aware that using the thinnest possible pad is preferable, but that seems to be a problem here. After deconstructing the
ACX 3.0, and although i didn't find much in the way of gaps, the original VRAM modules hadn't left a reasonable indentation
in the pad which caused me to choose a 1.5mm thickness to fill the slight void. Now the stock VRAM pads are 1mm, and i
don't see a way i could go below that seen as tho the GPU die itself won't allow me to go any lower. I know 1.5mm isn't
ideal, but I can't see another way around that ? I thought i could compensate for this with wide strips for extra surface area. 

CPU:  Intel 486 DX2. 66Mhz (Turbo). Cooling: LN2.
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lebel
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Re: Another Thermal Pad Thread. 2016/11/05 09:19:27 (permalink)
NucleusX
lebel
NucleusX
lebel
NucleusX
Can anyone else out there comment on whether to use long strips or singular squares of thermal pads on VRAM ?
The strip can cover multiple VRAM modules at the same time and will have more surface area to contact to, but
I'm not entirely sure of the downsides of this, if there is are any. Your input is appreciated !

The higher the thermal conductivity (W/m-k) the better and If possible use the lowest thickness whilst still making full contact i.e 0.5mm.
Another positive effect (see link) in lowering the temperature can be achieved through the use of thermal pads together with (non conductive) liquid thermal pastes, i.e; MX-4. This looks interesting...
Interesting link on the subject
https://hw-lab.com/therma...lity.html#introduction

 
Great read in that link, thanks for that. Although, i don't think he really said much about strips vs individual squares
on the VRAM specifically unless i missed it. Now i'm contemplating the use of compound with the pads, but tbh, i'd 
prefer to do this by over-compensating with high quality thermal pads alone. All that extra compound would be messy. 


Based on simple thermal dynamics, the heat transference would be greater from point of contact to the plate/heat sink than to excessive pad use. So I would think sufficient squares or strips would make no difference.
Adding the paste seems doable, probably just spread the thinnest layer possible to avoid spill out.




I'm aware that using the thinnest possible pad is preferable, but that seems to be a problem here. After deconstructing the
ACX 3.0, and although i didn't find much in the way of gaps, the original VRAM modules hadn't left a reasonable indentation
in the pad which caused me to choose a 1.5mm thickness to fill the slight void. Now the stock VRAM pads are 1mm, and i
don't see a way i could go below that seen as tho the GPU die itself won't allow me to go any lower. I know 1.5mm isn't
ideal, but I can't see another way around that ? I thought i could compensate for this with wide strips for extra surface area. 


Wonder if using copper shims to take up some of the difference and then using the thinnest thermal pads?

 

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imweasel
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Re: Another Thermal Pad Thread. 2016/11/05 09:20:03 (permalink)
Previously when I put pads on my 480 GTX cards when I attached water blocks and a water block on my old x58 EVGA mobo on the VRAM chips I cut the blocks. But when I reseated the VRAM & mobo block I used a strip cut long & wide enough to cover them my temps dropped a little. I made sure the strip was wide, long, & plenty thick to allow plenty of compression. I don't know if the strip that exists on the block between the VRAM chips allowed for that 1/2 degree extra heat dissipation but in my little brain it did! :-)
post edited by imweasel - 2016/11/05 09:23:15

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dakon
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Re: Another Thermal Pad Thread. 2016/11/05 09:40:26 (permalink)
Their will be little to no difference when if you use small squares or a strip of the thermal pad.  This is from previous experience trying this on a old ati card with a water block back in the day.  I always use small squares if it is the size of a ram chip, and then a strip of thermal pad if it vrm or smaller.  Because when you put on the block or the cooler, if the square of thermal pad is really small, there is a chance it will move when you put that cooler on, and you dont want that.
 
If the thermal pad is good quality, which they all pretty much are anymore, the heat transfer will be good and no worries about having more that just covering the chip (it wont hold heat or build up heat).
 

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NucleusX
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Re: Another Thermal Pad Thread. 2016/11/05 09:50:37 (permalink)
Well my idea was to make them 1.5mm x 30mm wide strips covering multiple VRAM modules at the same time while having the
extra surface area contact. The Thermal Grizzly strips i was looking at are rated at 8.0 w/mk, and i was hoping combining that with
larger 30mm strips would yield enough of an improvement to counter the 1.5mm height that I'm pretty much forced to use.
If it wasn't for the absence of acceptable indentations in the original factory thermal pads, it wouldn't be such a problem.
 
post edited by NucleusX - 2016/11/05 09:54:40

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dakon
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Re: Another Thermal Pad Thread. 2016/11/05 10:02:01 (permalink) ☄ Helpfulby NucleusX 2016/11/05 10:48:05
One thing i have done in the past, that worked just fine, is if the gap between the chip and the cooler is a bit thicker than the thermal pad, is just to put a dab of thermal paste on top.  So it would be vram chip, thermal pad, thermal paste, then cooler.  Believe it or not, this does work pretty well and it is better than having a space gap with no contact.  The thermal paste does not care what it is placed on, it still has the same thermal characteristics.

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NucleusX
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Re: Another Thermal Pad Thread. 2016/11/05 10:18:39 (permalink)
dakon
One thing i have done in the past, that worked just fine, is if the gap between the chip and the cooler is a bit thicker than the thermal pad, is just to put a dab of thermal paste on top.  So it would be vram chip, thermal pad, thermal paste, then cooler.  Believe it or not, this does work pretty well and it is better than having a space gap with no contact.  The thermal paste does not care what it is placed on, it still has the same thermal characteristics.



Yeh ok, well, the addition of thermal compound to 1mm is starting to sound like a better idea to go with. I was hoping to avoid
it to be quite honest. If i had my way, i'd thermal compound the VRAMs and bring the base-plate down to flush with them, but
i don't think that's gonna happen. I was already planning to get me some Kyronaut TIM for the GPU die itself, so having that
on hand for the additional use on VRAMs should keep this thing well within tolerance. Hell, i was going to add even more strips
to other surrounding surfaces to sink as much heat as possible into their respective surfaces where air flow wouldn't be a concern.
You could say I'm on a mission from god to get this thing cooler than its ever been lol. I want it to live long and hard.

CPU:  Intel 486 DX2. 66Mhz (Turbo). Cooling: LN2.
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NucleusX
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Re: Another Thermal Pad Thread. 2016/11/05 10:30:52 (permalink)
Have you seen the free thermal pads EVGA are sending out ? The VRM pads are HUGE. It had me thinking that
if EVGA deemed those sizes sufficient for the fix, then it might be wise to pay attention to the rest of the card.

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AzN-SoLjA
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Re: Another Thermal Pad Thread. 2016/11/05 10:46:41 (permalink)
Just curious if I should even be alarmed in any way, I have the 1070 FTW with a super flow of air. 3 Fans are actually blowing onto the gpu directly and plus the 2 fans from the acx of course. Idles 23c and caps out at 60c.

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dakon
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Re: Another Thermal Pad Thread. 2016/11/05 10:50:08 (permalink)
AzN-SoLjA
Just curious if I should even be alarmed in any way, I have the 1070 FTW with a super flow of air. 3 Fans are actually blowing onto the gpu directly and plus the 2 fans from the acx of course. Idles 23c and caps out at 60c.




The gpu temp is not an issue.  It is the VRM that is and the lack of cooling there.  So Precision and most software will not show this temp.  I would still recommend the thermal mod and bios.  

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Re: Another Thermal Pad Thread. 2016/11/05 10:55:22 (permalink)
imweasel
Previously when I put pads on my 480 GTX cards when I attached water blocks and a water block on my old x58 EVGA mobo on the VRAM chips I cut the blocks. But when I reseated the VRAM & mobo block I used a strip cut long & wide enough to cover them my temps dropped a little. I made sure the strip was wide, long, & plenty thick to allow plenty of compression. I don't know if the strip that exists on the block between the VRAM chips allowed for that 1/2 degree extra heat dissipation but in my little brain it did! :-)



I'm thinking it would have made a difference, even it was slight. I'm trying to make a lot of small differences here really, and the total
combined effort in as many areas as possible should add up to a substantial reduction in over-all temps, making it more robust.
post edited by NucleusX - 2016/11/05 11:17:18

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NucleusX
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Re: Another Thermal Pad Thread. 2016/11/05 10:56:52 (permalink)
AzN-SoLjA
Just curious if I should even be alarmed in any way, I have the 1070 FTW with a super flow of air. 3 Fans are actually blowing onto the gpu directly and plus the 2 fans from the acx of course. Idles 23c and caps out at 60c.




Try not to take my attitude towards this too seriously, i did say i was on a mission from god lol.

CPU:  Intel 486 DX2. 66Mhz (Turbo). Cooling: LN2.
MTB: ECS. Chipset: SIS. HD: WD Raptor 300mb x 512. 154GB. Raid 0.
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GPU:  Nvidia GTX Riva TNT2 FTW OC. PCI. 32mb. x4 Quad SLI.
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Re: Another Thermal Pad Thread. 2016/11/05 11:08:17 (permalink)
 
@dakon the bios only corrected the stock fan profile, mines already aggressive.
@NucleusX Haha I understand, I just figure due to my high flow of cooling. One would think everything on the card is within reason.
 
But no worries, I already requested the free pads from EVGA. I was just curious as I haven't been keeping up on all these threads haha.


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NucleusX
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Re: Another Thermal Pad Thread. 2016/11/05 11:25:35 (permalink)
AzN-SoLjA
@dakon the bios only corrected the stock fan profile, mines already aggressive.
@NucleusX Haha I understand, I just figure due to my high flow of cooling. One would think everything on the card is within reason.
But no worries, I already requested the free pads from EVGA. I was just curious as I haven't been keeping up on all these threads haha.

 
The reality is is that it varies. You can't monitor the temperature of the VRAM or VRM's, and you can't use the GPU die temp
as an indicator for anything else but the GPU itself. Its atleast advised to visually inspect the VRAM and VRMs. Some reports
where made that gaps existed between VRAM chips and the base-plate, which is down to factory error. Luck of the draw really.
post edited by NucleusX - 2016/11/06 00:12:18

CPU:  Intel 486 DX2. 66Mhz (Turbo). Cooling: LN2.
MTB: ECS. Chipset: SIS. HD: WD Raptor 300mb x 512. 154GB. Raid 0.
RAM: Corsair Obliterator Gold. EDO. 16mb. 66mhz. x8.
GPU:  Nvidia GTX Riva TNT2 FTW OC. PCI. 32mb. x4 Quad SLI.
PSU:  ATX 200 watt (no label). Case: RGB Milk Crate.
 
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lebel
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Re: Another Thermal Pad Thread. 2016/11/05 11:28:09 (permalink)
NucleusX
AzN-SoLjA
@dakon the bios only corrected the stock fan profile, mines already aggressive.
@NucleusX Haha I understand, I just figure due to my high flow of cooling. One would think everything on the card is within reason.
But no worries, I already requested the free pads from EVGA. I was just curious as I haven't been keeping up on all these threads haha.

 
The reality is is that it varies. You can't monitor the temperature of the VRAM or VRM's, so you can't use the GPU die temp
as an indicator for anything else but the GPU itself. Its atleast advised to visually inspect the VRAM and VRMs. Some reports
where made that gaps existed between VRAM chips and the base-plate, which is down to factory error. Luck of the draw really.


I remember when we had to contend with just the silicon lottery, now it seems there is a thermal pad lottery too. Just wish I could win the lottery

 

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