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OCing EAH6870

post #1 of 4
Thread Starter 
Hello,

I'm currently trying to overclock my Asus ATI HD 6870 and have been getting crashes during my tests using FurMark.

My last attempt was 1000Mhz core clock and 1100Mhz memory clock @ 1.237v. I didn't get far into the stability test without crashing.

I was wondering if anyone else has overclocked this card and what settings they were able to get stable results with?

Thanks.
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Gaming Rig
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Intel Core i7-875K @ 2.93-3.6GHz Asus P7P55D-E Pro EVGA GTX570 @ 732MHz/Zotac GTS450 AMP! (PhysX) 4GB (2x2GB) Kingston HyperX Blu XMP @ 1600MHz 
Hard DriveOptical DriveOSMonitor
80GB Intel X25-M/1TB WD Black/800GB WD Green 24x Dual Layer DVD Writer ±R/±RW/RAM Windows 7 Home Premium x64 HP w2408 @ 1920x1200 (24") 
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post #2 of 4
What temps are you getting?
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Black Water
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post #3 of 4
Thread Starter 
Hi, I am using the following settings in FurMark for my tests:
furmarktest1.png
My last attempt got about a minute in before it crashed at 65°C.
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CPUMotherboardGraphicsRAM
Intel Core i7-875K @ 2.93-3.6GHz Asus P7P55D-E Pro EVGA GTX570 @ 732MHz/Zotac GTS450 AMP! (PhysX) 4GB (2x2GB) Kingston HyperX Blu XMP @ 1600MHz 
Hard DriveOptical DriveOSMonitor
80GB Intel X25-M/1TB WD Black/800GB WD Green 24x Dual Layer DVD Writer ±R/±RW/RAM Windows 7 Home Premium x64 HP w2408 @ 1920x1200 (24") 
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Gaming Rig
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CPUMotherboardGraphicsRAM
Intel Core i7-875K @ 2.93-3.6GHz Asus P7P55D-E Pro EVGA GTX570 @ 732MHz/Zotac GTS450 AMP! (PhysX) 4GB (2x2GB) Kingston HyperX Blu XMP @ 1600MHz 
Hard DriveOptical DriveOSMonitor
80GB Intel X25-M/1TB WD Black/800GB WD Green 24x Dual Layer DVD Writer ±R/±RW/RAM Windows 7 Home Premium x64 HP w2408 @ 1920x1200 (24") 
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post #4 of 4
Not a temp problem then. Try backing the GPU off 10 but increasing the Mem. That should get to 1150 or so.
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