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Reference 6950 Crazy temps

Alasdairhurst

Alasdairhurst

Alasdairhurst

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Joined
26 Aug 2010
Posts
1,268
Location
West Yorkshire
Okay, i have a reference HIS 6950 that i bought at the end of december. I waited a month or so and i unlocked the shaders on hte card - still working fine. I had the fan set to user define in afterburner to a 1:1 fan speed to temp ratio, and it never went above about 65C on full load, and about 35 idle. Recently i upgraded my motherboard and cpu from a 780 chipset and 695BE to an 890GX chipset and an 1100t. the card worked fine for a day or two and now it is idling at over 50 degrees @50% fan speed which it never did before!

Just wondering what the problem may be. By the end of the year i'm looking to upgrade the cooling to an Arctic Cooling Accelero Xtreme Plus II, so that should col it down and reduce the noise as well, but i's becoming unbearable now as my room, case and GPU are heating up a lot even when no programs are open.
 
all the dust is blown out, i underclocked the card so it's idling at 625/250
whats crazy is that its idling at 49 now and even with a huge fan blowin air onto the card and the fan speed at 100% (6000 rpm) it is only dropping 1 degree a minute which is stupid as it usually should drop at least 10!

at normal clocks and the same fans it idles at 59!
 
I have a cm690II advanced with a H70 and 2 140mm fans up top, a 140mm fan at the front and the 2 120mm fans on the H70.

Now i turn the fan down to 1:1 again, and turn the huge fan off and it goes up a degree and idles at 50.
 
Alasdairhurst said:
all the dust is blown out, i underclocked the card so it's idling at 625/250
whats crazy is that its idling at 49 now and even with a huge fan blowin air onto the card and the fan speed at 100% (6000 rpm) it is only dropping 1 degree a minute which is stupid as it usually should drop at least 10!

at normal clocks and the same fans it idles at 59!
Click to expand...

put fan to 100% manually. Then wait till it gets back to usual temps. Now put fan control back to auto and monitor temps to see if it goes up
 
Cleeecooo said:
put fan to 100% manually. Then wait till it gets back to usual temps. Now put fan control back to auto and monitor temps to see if it goes up
Click to expand...

thats what i did do. it's idling around 50/51 and going up ever so gradually.
if i turn off user define and keep auto on, the fan goes down to 26 and the temp goes up and up and up :(
 
oh, and i forgot to mention that i've just reverted to the original 6950 bios/shaders too.

auto still on. fan speed 29% and temps 60C
core 250, memory 625.
 
80500766.png

core clock jumps to 500 whn i move a window or open a program and temp jumps about 5 degrees also.
 
why force it to 400/625? your voltage would be at 1.100v, hence the high idle temp..

reboot without msi AD started.
 
Last edited:
Idle temps are high because you have memory clock at 625. The lower you can get it the lower your temps and power consumption will be. Core clock is jumping up because powerplay is sensing you need hardware acceleration and automatically sets you are mid speed. If using Firefox you can disable hardware acceleration. If you are using two displays, even if one is witched off the card will clock higher too.
 
well, like i said, it worked perfecly fine for months at stock 6970 speeds - i just reduced the clocks for this test when i opened the thread. I have 3 screens (3240x1920), but that hasn't been a problem at all running games at that resolution (i got the same temps running any demanding game at that res as i am getting at idle now.)
 
Alasdairhurst said:
because if i don't then the temps go up another 10 degrees.
Click to expand...

Makes no sense at all LOL

Alasdairhurst said:
well, like i said, it worked perfecly fine for months at stock 6970 speeds - i just reduced the clocks for this test when i opened the thread. I have 3 screens (3240x1920), but that hasn't been a problem at all running games at that resolution (i got the same temps running any demanding game at that res as i am getting at idle now.)
Click to expand...

extra screens mean extra heat!
 
Alasdairhurst said:
well, like i said, it worked perfecly fine for months at stock 6970 speeds - i just reduced the clocks for this test when i opened the thread. I have 3 screens (3240x1920), but that hasn't been a problem at all running games at that resolution (i got the same temps running any demanding game at that res as i am getting at idle now.)
Click to expand...
with multi monitors the idle clock will be 500 anyway, and 50c~ is about right in that case

i get same if i enable my other monitors
 
well like i said! the temps were fine when i still had 3 screens. only using one screen reduces temps by about 5 degrees which is still higher than what it was idling at before with all 3 screens enabled, and clocks at higher levels.
 
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