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Problems with a Sapphire 4870

panzival

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Those are my specs. Been having issues with my 4870. I keep getting random pixel squares. I attached an image of what it looks like. When I game I usually get artifacts ingame. I have the fan set to 60% always and the temperature never seems to go over 56C during load and 41C on idle. But whenever I run FurMark, within 1 minute the reported temperature in FurMark is over 100C, and it doesn't matter wheter I set the fan to 20% or 100%, the temperature still climbs to over 100C in about a minute.
 

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You might need to reapply thermal paste on your GPU. Does your case have good cooling?
 
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You might need to reapply thermal paste on your GPU. Does your case have good cooling?

thats a good idea.....
but, tell us what drivers do you use? and is the 4870 OCed?
and could you post a picture of the inside of the rig?
 
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Run GPU Tool and go to the sensor Tab. See what the VDDC slaves temps are whilst using it to "Test for Stability." Post up the temps shown there.
 
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You might need to reapply thermal paste on your GPU. Does your case have good cooling?

thats a good idea.....
but, tell us what drivers do you use? and is the 4870 OCed?
and could you post a picture of the inside of the rig?

Run GPU Tool and go to the sensor Tab. See what the VDDC slaves temps are whilst using it to "Test for Stability." Post up the temps shown there.

+1 for all
other wise , i think it is render problem , maybe new bios solve the problem but put this as last try
 

panzival

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You might need to reapply thermal paste on your GPU. Does your case have good cooling?

My case is a Antec 900 and it seems to have good cooling

thats a good idea.....
but, tell us what drivers do you use? and is the 4870 OCed?
and could you post a picture of the inside of the rig?

Catalyst 9.6 drivers and it is not overclocked.



Run GPU Tool and go to the sensor Tab. See what the VDDC slaves temps are whilst using it to "Test for Stability." Post up the temps shown there.

I googled GPU Tool and got AMD GPU Clock tool. Is this what your talking about, because I don't see any test for stability in the program.
 
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panzival

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Yes, not much air gets through those cables, but just the air from the 2 fans infront. There's a massive fan ontop which you can't see in the picture that seems to get alot of air in. And I ran GPUTool and I don't see the VDDC slave temps. No more temperature readings after GPU Temp. (SHADERCORE).

Edit: I've been reading a bit about the VRAMs on the 4870. I've read many times that they overheat. Is the Memory clock related to the VRAMs, because if I unclock the memory to 810 then all artifacts go away. If the VRAMs are indeed my problem, how would I go about cooling them?
 
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EastCoasthandle

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Looks like you need a better case that allows for better air flow. I suggest you look into Antec like of P190s and 900 series. As they offer a tad better cable management at a lower price point then other PC Cases. Once you get good air flow you should stop seeing artifacts.
 

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ShadowFold

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I've used their 300 and 900 cases, the cable management is just pitiful on both. I would rather shoot myself in the leg while jumping off a building than use any of those cases again.
 
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I've used their 300 and 900 cases, the cable management is just pitiful on both. I would rather shoot myself in the leg while jumping off a building than use any of those cases again.

I can see how that may be an issue. I am using it for my i7 rig, that only has an ssd and 1 7200sata. 70% of the cables are jsut sitting in the top 5.25 bay - so i hadn't noticed. good to know.
 
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Yes, not much air gets through those cables, but just the air from the 2 fans infront. There's a massive fan ontop which you can't see in the picture that seems to get alot of air in. And I ran GPUTool and I don't see the VDDC slave temps. No more temperature readings after GPU Temp. (SHADERCORE).

Edit: I've been reading a bit about the VRAMs on the 4870. I've read many times that they overheat. Is the Memory clock related to the VRAMs, because if I unclock the memory to 810 then all artifacts go away. If the VRAMs are indeed my problem, how would I go about cooling them?

Problem with the fan on top is that the air from it has a hard time going under the graphics card to cool it.
So, in GPUtool under the sensor Tab, you have no readings there?
 
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Umm...the top fan is an exhaust, which means if it's an intake you flipped it? You really need to do some cable management, why do you have unused wires in the way of everything?

I've used their 300 and 900 cases, the cable management is just pitiful on both. I would rather shoot myself in the leg while jumping off a building than use any of those cases again.

I can't comment on the 300, but in the 900 with a bit of work and the right parts like a modular PSU and a mobo with a power connector that isn't on the fucking left side, it can be decent looking, though it is limited. I would have liked if the hard-drive bays were rotated 90 degrees so you wouldn't see the connectors, but besides a modular PSU my 900 is kinda neat lol.
 
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panzival

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Problem with the fan on top is that the air from it has a hard time going under the graphics card to cool it.
So, in GPUtool under the sensor Tab, you have no readings there?

I have a few temperatures, but nothing about VDDC slave temps.

Umm...the top fan is an exhaust, which means if it's an intake you flipped it? You really need to do some cable management, why do you have unused wires in the way of everything?



I can't comment on the 300, but in the 900 with a bit of work and the right parts like a modular PSU and a mobo with a power connector that isn't on the fucking left side, it can be decent looking, though it is limited. I would have liked if the hard-drive bays were rotated 90 degrees so you wouldn't see the connectors, but besides a modular PSU my 900 is kinda neat lol.

Sorry my mistake, I thought it was a intake fan. And I put all the unused cables under the my DVD Drive because I have no where else to put it em... lol
 
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Sorry my mistake, I thought it was a intake fan. And I put all the unused cables under the my DVD Drive because I have no where else to put it em... lol

The top and rear fans are exhaust, they pull the hot air out, but the 2 fronts are intakes, they pull in cool air, it doesn't help them being blocked.

This is where I put my wires:



If you don't have enough room, move the hard-drive cage up 1 slot so there's a free 5.25" bay at the bottom for your wires.
 
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As someone with the exact same case and videocard, I'll tell you it's an airflow problem. If possible move the HDDs to the lower 3 bays. This will allow airflow directly to the card. Also a side panel fan won't hurt.
 
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As someone with the exact same case and videocard, I'll tell you it's an airflow problem. If possible move the HDDs to the lower 3 bays. This will allow airflow directly to the card. Also a side panel fan won't hurt.

Or, try putting your HDD in the 3.5" adapter, a hard-drive doesn't really need a fan, a vent is fine, that leaves the 2 drive cages free allowing for more airflow. If you still have problems, which you shouldn't, try installing better intake fans or putting your PC somewhere cooler, I have my PC about 5ft from my window and when I open it (almost 24hours a day) my temps drop 5-10C depending on how much of a breeze is coming in and the temps outside.
 

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Are you using HDMI? One thing id say, RMA your card back to the manufacturer, maybe even have another video card installed and see if it does same thing, or take card to known good machine and check it.
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Those are my specs. Been having issues with my 4870. I keep getting random pixel squares. I attached an image of what it looks like. When I game I usually get artifacts ingame. I have the fan set to 60% always and the temperature never seems to go over 56C during load and 41C on idle. But whenever I run FurMark, within 1 minute the reported temperature in FurMark is over 100C, and it doesn't matter wheter I set the fan to 20% or 100%, the temperature still climbs to over 100C in about a minute.
 
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I have a few temperatures, but nothing about VDDC slave temps.
When you are in the sensors Tab area, is here a scroll bar on the right hand side? Sorry for the silly question :).
There should also be the fan speed there and amp draw.
 

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You might have one of the cards with the bad bios, email sapphire and ask them what you should do.
 

panzival

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Are you using HDMI? One thing id say, RMA your card back to the manufacturer, maybe even have another video card installed and see if it does same thing, or take card to known good machine and check it.

Not using HDMI and I can't RMA. Woulda done that a long time ago if I could :(

When you are in the sensors Tab area, is here a scroll bar on the right hand side? Sorry for the silly question :).
There should also be the fan speed there and amp draw.

There is fan speed and amp draw as well. There is a scroll bar on the right side but it only scrolls down like a few pixels and that's it. Nothing below :/

You might have one of the cards with the bad bios, email sapphire and ask them what you should do.

I'll try emailing them.

I also took apart my whole computer and did some cable management. Moved the hard drives to the top so I could put the extra cables at the bottom of the computer. The fan right infront of the video card also has no more cables blocking the way.



You can't really tell from the photo, but all the cables are out of the way and none blocking the airflow to the video card. I'm going to bed but I'll run FurMark tomorrow and see what the temperatures are like.
 
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Did that change the temps at all?

EDIT: oh okay nvm
 

panzival

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My 4870 now idles about 5 degrees cooler, but when I run FurMark it still jumps to 100 degrees, but it takes about 30 seconds longer now.
 
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