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Author Topic: Brand new stock XFX Radeon 6770 running at 101C under load  (Read 3136 times)
Wolf0
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April 09, 2013, 03:29:48 AM
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This can't be good.

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GernMiester
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April 09, 2013, 04:24:45 AM
 #2

Heat sink not sitting well on GPU or fans not moving or clogged.
my bet is heatsink/GPU contact sucks

I had a XFX HD6870 that was an RMA replacement would heat up until PC crashed around 104c. 
Removed heatsink, cleaned, applied some new thermal compound.  zero issues now. 77C under full load in a 75F room
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April 09, 2013, 04:56:19 AM
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We recently got a cheap Asus 5450 with a heatsink held on by 2 pins, and it was so flimsy, the heatsink was flopping all over the place. I couldn't imagine it cooling that thing under load, especially mining. Take the heatsink off, and repaste it. Make sure it makes good contact when you put it back on. Then use a program to manually set the fan to a higher setting, like 80%.

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April 09, 2013, 04:56:36 AM
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yep i have 2 of them and after cleaning and doing the thermal paste they run at 90*c. the heat sink is garbage.. i have a 140mm can just sitting ontop of them blowing air right into their heatsink to keep them at 90...

they are an extremely poor design. i just hope when they stop working xfx will give me 7770's with devent heatsinks...

ive been mining nonstop on mine for 2 weeks with no problems at 90*c just put another fan ontop of them.
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April 09, 2013, 06:19:06 AM
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So, I took it out, was all set to take off the heatsink, and saw the stickers saying I'd void my warranty. I thought, "aw, hell, I'd rather not, what if there's a real problem?" and put it back in. Now it's running at 105C. The fact that it's still running amazes me. I was gonna change the clock speeds, but both EVGA Precision and MSI Afterburner show zeroes for the clocks and don't allow them to be modified. What the hell?  Huh

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April 09, 2013, 10:19:48 AM
 #6

i've got mine on 81c
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April 09, 2013, 01:36:05 PM
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So, I took it out, was all set to take off the heatsink, and saw the stickers saying I'd void my warranty. I thought, "aw, hell, I'd rather not, what if there's a real problem?" and put it back in. Now it's running at 105C. The fact that it's still running amazes me. I was gonna change the clock speeds, but both EVGA Precision and MSI Afterburner show zeroes for the clocks and don't allow them to be modified. What the hell?  Huh
send them back for RMA. lie to them and say the card keeps on throttling.

It is pitch black. You are likely to be eaten by a grue.

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April 09, 2013, 11:04:38 PM
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I'm having much of the same issue with a batch of 6850's I won off ebay. They were supposed to be new, but I'm beginning to suspect otherwise. At stock levels they run at 98C with the fan going 100%, and that's in an air conditioned room set at 16C. Forget overclocking, they just throttle all the time, and I've actually resorted to underclocking just to keep the temp. at about 94C. They're putting out 181mhps, and I know they're capable of at least another 50/60 mhashes.

I like the idea of checking the heatsinks and fans.. perhaps something is loose or a bad contact somewhere. Will dig out some thermal paste and try to sort them out.

Sounds like the OP is having the same sort of trouble. Hope you get it sorted.
Wolf0
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April 10, 2013, 08:31:54 AM
 #9

It appears the max temp, according to the card's BIOS, is 109C... so I'll let it run for now. If it becomes unstable, I'll RMA it.

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