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2nd card hotter then the master????

post #1 of 5
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just noticed something last night when playing grid, i ws loking at the temps after playing and the first card was running at around 70C and the 2nd at a wopping 83c, ne ideas why this could be? i have 2 HIS 3870's with plenty of ventalation and lots of space around them
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new rig
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i7 2600k @4.8 ASRock Z68 Extreme 7 Gen 3 2 x gtx 560ti (448 cores) Battlefield 3 edition 8GB corsair xms3 ddr3 1866 
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64Gb OCZ Vertex 500 GB Satat 3 samsung standard dvd rom noctua nh-d14 
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windows 7 ultimate x64 50" lg at 1920x1080 and 24" samsung 3d monitor 850 watt corsair TX850 corsair 600T white graphite limited edition 
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logitech gameing mouse sound blaster 5.1vx 
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post #2 of 5
Airflow, the bottom card always gets hotter in my experience.
 
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2x 256GB OCZ Vertex 4's (RAID-0) 2x 2TB Seagate Barracuda 7200.14 64MB Cache Pioneer BDR-207DBK Blu-ray Writer Corsair H105 (Push/Pull) 
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post #3 of 5
you should try what i do with my 2 3870s. download riva tuner and for each card set the fan speed to 50% if i dont they run at 80+ in game with the speeds at 50% its almost always under 60 right now idle they are 42 41
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post #4 of 5
Try putting an extra vent directly under the bottom card with some legs(screws) and then check the gaming temps.
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post #5 of 5
Always been the case since I started running crossfire. The lower card was always 5 - 10 degrees hotter. I put it dow to the CPU cooler drawing more heat away from the upper card.

Have had my old X1900XT's hitting 100+ in the lower slot Didn't crap out till 110+ though
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arrrrgh
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