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5850 Overclocking

post #1 of 8
Thread Starter 
Yes I know it's old gen but I couldn't find a clear answer on what would be considered good overclocking settings with all of the threads all over the place. Currently I'm at 1GHz core clock, haven't started with the memory yet, and it's stable with a core voltage of 1.225v. What's the highest voltage that's safe for 24/7 use? Assuming cooling is adequate of course. The AMD card I used was a 4870x2 that pooped out on me and I haven't overclocked video cards since then but I figure now's a good time to get back in with the recent acquisition of my 2x 5850's.
Tiny Fun
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Tiny Fun
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post #2 of 8
1Ghz core is really good and consider yourself lucky.

1.25v is the max you should go on air.
    
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post #3 of 8
Yes, 1 Ghz on the core is very good. Are you on air? If you want to go higher go with water cooling.
post #4 of 8
Thread Starter 
On air right now, might pick up a pair of MCW60/80/82's to cool them since they run around 72C with Kombustor at 100% fan speed, will be prepared for the future as well. I haven't begun to overclock the 2nd card yet. Hopefully it's as good of a clocker.
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post #5 of 8
Quote:
Originally Posted by LemonSlice View Post
On air right now, might pick up a pair of MCW60/80/82's to cool them since they run around 72C with Kombustor at 100% fan speed, will be prepared for the future as well. I haven't begun to overclock the 2nd card yet. Hopefully it's as good of a clocker.
That's amazing, do they have a special cooler or are they reference? Those are some very very good temps.
post #6 of 8
Thread Starter 
Quote:
Originally Posted by SkippyDogg View Post
That's amazing, do they have a special cooler or are they reference? Those are some very very good temps.
Reference cards with reference coolers. Wow, I must have gotten lucky then, I didn't hunt for special clockers or anything, I just wanted to trade my unused laptop for something I could use . All I did to the cards was replace the TIM with MX-3 and replaced the pads with some EK pads I left over from installing waterblocks. What would be a suggested max voltage under water (24/7 use)? I have an MCW60 lying around and I want to see what kind of potential this card has.
Edited by LemonSlice - 7/26/11 at 2:46pm
Tiny Fun
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Tiny Fun
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Samsung 840 Pro 256GB Swiftech Apogee Drive II Windows 8 Enterprise x64 Cooler Master Elite 120 Advanced 
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AMD Opteron 6274 ES 2.2GHz 16-Core AMD Opteron 6274 ES 2.2GHz 16-Core AMD Opteron 6274 ES 2.2GHz 16-Core AMD Opteron 6274 ES 2.2GHz 16-Core 
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AMD Opteron 6176 SE 12-Core 2.3GHz AMD Opteron 6176 SE 12-Core 2.3GHz AMD Opteron 6176 SE 12-Core 2.3GHz AMD Opteron 6176 SE 12-Core 2.3GHz 
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post #7 of 8
and this is OCCT stable? very rare.
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post #8 of 8
Thread Starter 
Magically started artifacting so I'll be forced to push it over 1.225v but I'll wait until I watercool for that. VRM's get too hot if I try to do the stock RAM/VRM plate with my MCW60 even though the core doesn't rise above 45C.
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Samsung 840 Pro 256GB Swiftech Apogee Drive II Windows 8 Enterprise x64 Cooler Master Elite 120 Advanced 
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AMD Opteron 6274 ES 2.2GHz 16-Core AMD Opteron 6274 ES 2.2GHz 16-Core AMD Opteron 6274 ES 2.2GHz 16-Core AMD Opteron 6274 ES 2.2GHz 16-Core 
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SuperMicro H8QGi+-F Matrox G200eW 16x2 (32GB) Crucial Ballistix DDR3 1600MHz Crucial C300 64GB 
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Linux Mint 15 Cinnamon 64-bit Enermax Galaxy Evo 1250W Spotswood Tech Tray 
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AMD Opteron 6176 SE 12-Core 2.3GHz AMD Opteron 6176 SE 12-Core 2.3GHz AMD Opteron 6176 SE 12-Core 2.3GHz AMD Opteron 6176 SE 12-Core 2.3GHz 
MotherboardGraphicsRAMHard Drive
Supermicro H8QGL-IF+ Matrox G200eW Kingston Server 16x1GB DDR3 Corsair Nova 32GB 
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Tiny Fun
(8 items)
 
4P Folding Rig 1
(16 items)
 
4P Folding Rig 2
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CPUMotherboardGraphicsRAM
i7-4770K @ 4.0GHz MSI Z87I EVGA GTX 660 Ti Corsair Vengeance 16GB 
Hard DriveCoolingOSCase
Samsung 840 Pro 256GB Swiftech Apogee Drive II Windows 8 Enterprise x64 Cooler Master Elite 120 Advanced 
CPUCPUCPUCPU
AMD Opteron 6274 ES 2.2GHz 16-Core AMD Opteron 6274 ES 2.2GHz 16-Core AMD Opteron 6274 ES 2.2GHz 16-Core AMD Opteron 6274 ES 2.2GHz 16-Core 
MotherboardGraphicsRAMHard Drive
SuperMicro H8QGi+-F Matrox G200eW 16x2 (32GB) Crucial Ballistix DDR3 1600MHz Crucial C300 64GB 
OSPowerCase
Linux Mint 15 Cinnamon 64-bit Enermax Galaxy Evo 1250W Spotswood Tech Tray 
CPUCPUCPUCPU
AMD Opteron 6176 SE 12-Core 2.3GHz AMD Opteron 6176 SE 12-Core 2.3GHz AMD Opteron 6176 SE 12-Core 2.3GHz AMD Opteron 6176 SE 12-Core 2.3GHz 
MotherboardGraphicsRAMHard Drive
Supermicro H8QGL-IF+ Matrox G200eW Kingston Server 16x1GB DDR3 Corsair Nova 32GB 
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