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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 269

post #2681 of 38701
My 7970 is waiting for me at home and i still have another 3 hours of work to go
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post #2682 of 38701
My 7970 is waiting for me at home and i still have another 3 hours of work to go
MEGATRON
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MEGATRON
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post #2683 of 38701
Quote:
Originally Posted by Rayleyne View Post

My 7970 is waiting for me at home and i still have another 3 hours of work to go

L2Chuckasickie wink.gif
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post #2684 of 38701
Quote:
Originally Posted by Retell View Post

Thank you smile.gif I just flashed and it went perfectly. smile.gif

Grrrreat!!!! TY.
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post #2685 of 38701
Quote:
Originally Posted by Denim-187 View Post

L2Chuckasickie wink.gif


Wish I could tried that already didn't work my boss r smartz
MEGATRON
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MEGATRON
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post #2686 of 38701
Anyone noticed that memory has ovp protection too?
Stays at 1.688V max, setting it higher to 1.692 or 1.7 doesnt work

Anyway... I found quick method for testing video memory:
- Crysis 2 witch DX11 and High Resolution Textures upgrade, Ultra settings 4xAA
- Adrenaline Crysis 2 Benchmark Tool 1.3
- Downtown Timedemo... (consumes up to 2GB Video RAM during benchmarking)
If memory is not stable at its settings, Timedemo hangs or displays stripes or Crysis 2 crashes and exits to Windows

I am after 1 week of intensive everyday (evenings) testing for stable oveclocking
At First - card becomes unstable above 84 degrees C no matter what clocks are set. Stock fan needs custom profile

Final stable 24/7 settings of my Powercolor:
GPU 1160MHz 1.174V
VMEM 1670MHz 1.688V

VID 1.05V, ASIC Quality 82.9%

I hope this helps someone (especially Powercolor owners biggrin.gif or anyone with card with reference design, stock cooler and my VID). Now I finished testing.
Powertune set to +20% during all tests

Methods used:
1. Playing several different games, running Heaven 2.5 benchmark
2. Testing stable voltages - Furmark (temperature, power supply, artifacts)
3. Testing GPU core - OCCT 4.0 (Found that version 4.0 is more sensitive and catches errors earlier than 3.1). Best settings to find instabilities: Error checking, AA disabled, shader complexity 4, run in window and do other work in meantime
4. Testing video memory - mentioned earlier in this post: Crysis2 DX11 HR is the best and quickest way

There seems to be OVP in both GPU and VMEM voltages, +125mV is unstable already, I think +100mV is best to try. Video memory voltage has +5-6% limit.. I cannot set it higher than 1.688V, setting it to 1.686-1.7V always gives 1.688V

GPU-Z 0.5.8 sensors monitoring was used while testing
Oh... almost forgot, used MSI Afterburner 2.2.0 Beta 12 and flashed BIOS to reference Xtreme OC from 20 Dec 2011 to avoid resetting Powertune to +0%
Edited by lothar - 2/4/12 at 10:07am
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post #2687 of 38701
Mines in the mail smile.gif
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post #2688 of 38701
do I need to disable ulps for a single card setup ?
 
4x r290's
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4x r290's
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3x 7970's
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RX360, EX360, EX360, and 480 Rad's XSPC Raystorm CPU Block Dual boot (other unnamed OS) and Win8 Pro QNIX QX2710 27" 2560x1440 @ 112hz 
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Corsair K90 Corsair AX1200 Corsair 700D Modded w/ External Radiators 
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post #2689 of 38701
Quote:
Originally Posted by UNOE View Post

do I need to disable ulps for a single card setup ?


No need because will interfere with ZeroCore.

 

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ケンジ
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post #2690 of 38701
Quote:
Originally Posted by UNOE View Post

do I need to disable ulps for a single card setup ?

No. I think that you don't need to disable that.
At really stable settings, Ultra Low Power State, Powerplay and Zero Core Power features should work without problems...
My Rig
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i5 3570K @ 4.4GHz ASUS P8Z77-V Gigabyte HD 7970OC 4x4GB DDR3-2133 Corsair Dominator GT 
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OCZ Vertex 4 256GB 2x1TB Seagate, 2x3TB Seagate LG Bluray ThermalRight TRUE Spirit 140 
OSMonitorKeyboardPower
Windows 7 Ultimate x64 SP1 PL HP ZR2740w Logitech Illuminated Corsair AX650 
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My Rig
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CPUMotherboardGraphicsRAM
i5 3570K @ 4.4GHz ASUS P8Z77-V Gigabyte HD 7970OC 4x4GB DDR3-2133 Corsair Dominator GT 
Hard DriveHard DriveOptical DriveCooling
OCZ Vertex 4 256GB 2x1TB Seagate, 2x3TB Seagate LG Bluray ThermalRight TRUE Spirit 140 
OSMonitorKeyboardPower
Windows 7 Ultimate x64 SP1 PL HP ZR2740w Logitech Illuminated Corsair AX650 
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