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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 1805

post #18041 of 38701
Quote:
Originally Posted by XiDillon View Post

anyone know of someone that can edit a bios for a hard set OC? Im getting tired of downclocking and utilities not working correctly to run the card.

Unless I am missing something, when I had my 5750, I had it OCed using RBE. After a certain set of drivers it no longer used the set clocks, it used the default clocks so I got tired of dealing with it and just removed the OC.
    
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post #18042 of 38701
Quote:
Originally Posted by MooMoo View Post

I need urgent help! sad-smiley-002.gif
I tried to flash my BIOS to newer one with Gigabyte VGA @BIOS and got something error, rebooted computer: Screen didnt turn on.
Then remembered that this have 2 bios, turned the switch to number 1.
Now I need help to flash that messed one to original one (I took copy of that with gpu-z).
I tried to use Ati RBE (radeon bios editor) but it says "Invalid file specified. Not an ATI BIOS? - Debug information: 'CheckValid' reported error. Tried with Acquire BIOS in Ati RBE but still got same error. frown.gif
What I should do?

Nice to see you gained so much with this new BIOS !
Do you happen to know if there is also a new bios for my Sapphire HD7950 dual fan edition which will lead to the same OC increase? thumb.gif

Thanks!
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post #18043 of 38701

Guys can anyone steer me to a guide or help me get my gpu oc'd to it's best potential please? It's a PowerColor PCS+ 7970 Vortex II

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post #18044 of 38701
I don't know where a good 7XXX series, but the general AMD/ATI overclocking method should work.

- MSI AfterBurner + Kombuster
- Unlock voltage control and unnofficial overclocking
- Bump up the clock by about 100 MHz to start
- Run Kombuster and look for artifacts
- increase by 5 MHz at a time and repeat above
- When you start getting artifacts, bump up voltage a bit
- Be sure to watch temperatures of the GPU and VRM's (VRM temps ion GPU-z)
- Once you fnid your max overclock on the core, drop to default and repeat the process for the memory
- Once you have your max overclocks, drop them by about 20 MHz and apply both then do some intensive testing
- Run some Unigine Heaven and 3DMark11 or Vantage tests and compare scores
- If your scores are quite a bit lower, it might just be a bad memory overclock and your GPU is doing more work to make up for the bad memory.
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post #18045 of 38701

Thanks for the info.

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Jordan
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Samsung 840 Pro Sony Optiarc DVD-RW Alphacool VPP655  2x GVans Legion Version2  
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NZXT FZ series 140mm x6 Phobya inline temp sensor x2 Black Ice GTX 280mm Swiftech MCR 480 QP 
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Black Ice GTX 360mm FrozenQ Helix Gen2 red 250 EK Supremacy non CSQ full nickel cpu block XSPC Raystorm Universal GPU block x3 
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Black Ice GT 280 Swiftech MCR-120-QP XSPC RayStorm Universal GPU Block XSPC RayStorm Universal GPU Block 
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Phobya Extreme v2 200mm rad Swiftech MCR-320-QP Primochill Vortex flow indicator Swiftech sli/cf Bridge 
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XSPC RayStorm Universal GPU Block PrimoChill LRT Advanced 1/2 x 3/4" Bloodshed Re... Monsoon 1/2 x 3/4" Red Compression Fittings 4x BitsPower 90 Degree Angled Fittings 
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2700K Asus Maximus IV Extreme-Z XFX 7970 Black Edition PowerColor 7970 PCS+ 
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Avexir Core series OCZ Vertex 3 120GB OCZ Agility 2 60GB Western Digital Caviar Green 2TB 
Optical DriveCoolingCoolingCooling
Sony Optiarc DVD-RW Mayhems Aurora Nebula Blue Swiftech MCP-120-QP Monsoon red led stop plug 
CoolingCoolingCoolingCooling
NZXT Sentry 2 TouchScreen Fan Controller Black Ice GTS 280 mm rad 3x Aerocool Shark Devil Red Edition 120mm  4x Enermax T.B. Silence 120mm 
CoolingCoolingCoolingCooling
3x NZXT FN 140mm  Danger Den RAD-Reservoir Danger Den FillPort Bitspower 45 Degree Swivel Compression Fitting 
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Swiftech MCP-320-QP Monsoon Compression Fittings 6-Pack Red Monsoon Compression Fittings 6-Pack Blue Phobya In-Line Temp Sensor 
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Windows 7 Premium 64 bit AOC e2343Fk 23" 1080 LED Monitor Logitech G510 OCZ ZT 750 Watt Fully Modular PSU 
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post #18046 of 38701
Quote:
Originally Posted by chino1974 View Post

Thanks for the info.

 

No problem. Happy overclocking :)
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post #18047 of 38701

I got it to 1200 core and 1600 memory and it ran 3dmark just fine  and got a 11145. But when I started playing Black Ops 2 last night it started artifacting after about 30 minutes of gameplay. I ended up having to drop the core to 1180 and memory to 1500 to get it fine again. mI also had the voltage boosted up to 1228 mV. Still did it. What is the highest recommended voltage on a 7970? I have a full liquid loop so temp haven't been an issue yet.

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post #18048 of 38701
1.3 V would be okay as long as you keep the temperatures in line. What kind of artifacting were you getting in BLOPS2? If I recall, certain types of artifacting can be related to either the clock or the VRAM.

I know on my older 6870, unstable memory led to: horizontal black bars, screen being fully offset horizontally by ~100 pixels and those pixels showing up on the opposite side of the screen, black screen carshes in unoptimized games like FFXIV, and very unstable frame rates. Unstable core overclock led to random coloured pixel artifacts, vertical coloured lines, 1-5 second screen freezes, temperature spikes under load.

This is from memory so anyone feel free to correct me.
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CHILZ - Lan Rig
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post #18049 of 38701
Quote:
Originally Posted by chino1974 View Post

I got it to 1200 core and 1600 memory and it ran 3dmark just fine  and got a 11145. But when I started playing Black Ops 2 last night it started artifacting after about 30 minutes of gameplay. I ended up having to drop the core to 1180 and memory to 1500 to get it fine again. mI also had the voltage boosted up to 1228 mV. Still did it. What is the highest recommended voltage on a 7970? I have a full liquid loop so temp haven't been an issue yet.

voltage safe is depending on to many variables.
I run 12.50v with 1200mhz currently using gpu tweak.
max voltage with the program.
That is with gaming with desktop use I use default settings.
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post #18050 of 38701
This question may have been asked before im not sure I have tried to search for it.

Will a HD 7950 play most if not all games at max setting's on a 22icnh led at 60hz
I also want to play skyrim with the texture mods and the upcoming crysis at decent settings?

cpu is a 3570k
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