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4870 getting toasty!

Deleted User 234324

Deleted User 234324

Deleted User 234324

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Joined
25 Oct 2004
Posts
9,078
Got a 4870 which i've installed a after market cooler on (thermalright hr-03 thingy) GPU temps in general are fine, sub 60c under load but the VDDC/VRM temps are getting to over 125c underload and causing the gfx card to crash and give the 1 red light for critical tempreture error.

I've bodged a 120mm fan just to blow air onto the VDDC/Mem area of the card but it doesnt seem to have made much difference at all.

Any idea's and or recommendations on how to resolve this ?
 
The 120mm fan should fix the problems easily, how close is the fan to the VRM area? Would it be more effective use a side inlet fan if your case supports it?
 
Voxination said:
The 120mm fan should fix the problems easily, how close is the fan to the VRM area? Would it be more effective use a side inlet fan if your case supports it?
Click to expand...

Case is the 182 Stacker, unfortunately due to the size of my cpu cooler and the hr-03 GT im unable to fit any fans on the side of the case without causing problems.

The 120 fan is blowing air at a 45 degree angle onto the VDDC area. Still getting temps in excess of 100c playing just games.

Idle in windows they are around 57c.
 
I can still use 3 side fans on my stacker 830, with this cpu cooler...

Noctua NH-U12P CPU Cooler (Socket AM2/LGA775)

but + your gfx cooler i dunno.
 
MY cpu cooler is the thermalright tru black 120, the top of the cooler sticks through the side by a few mm.

Managed to bodge a 2nd 120mm fan to blow air onto the back of the gfx card, VDDC temps now peak at 115c, about a 15c drop from the previous max.

Still never noticed it happening before, wonder if ATI did something in the recent Catalyst drivers to boost the temps so much, almost a 70c jump from idle temps seems odd.
 
Could you bodge some RAMSinks on to the hotspots? The HR-03 only has a sort of metal plate to cover the VRM area iirc, so surely some added surface area wouldn't go amiss.
 
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