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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 374

post #3731 of 38701
Hey all,

I just got a Sapphire Radeon HD 7950 OE, the temps/performance during benchmarks and gaming are exactly what I expected. However when booting up my PC I no longer see my BIOS splash screen. The first thing I see is the "starting windows" splash from Windows 7.

I'm running an ASUS Maximus gene-z mobo (BIOS version 0706) with the latest HD 7950 drivers. I have a Dell U2412M monitor connected via DVI to the 7950.

If I shutdown and hit the reset CMOS button on my mobo, I can reach the BIOS, but then of course I lose all my settings. Also that fix is short-lived, since subsequent reboots no longer show the BIOS splash screen.

Anyone else experience this with their ASUS mobo and 7950, or know what might be done to fix this, so that I can access my BIOS? I'm hoping there's just a BIOS setting that I need to fix.
post #3732 of 38701
Sounds like your board is initialize a different pcie slot first.
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post #3733 of 38701
Heya all guys,i have read some pages about 7970 Overclocking (not all ofc but some). Here what happens. Yesterday i bought card,overclocked,and card worked so and so.I decided to update mobo bios,and to attacj 4pin molex to EZ Plug on mobo for more power,it can't hurts i guess, but problems came.

When i turned on PC It couldn't find boot.mgr so i had to reinstall win etc.I installed all,seted it up but noticed some strange thing.When i turn on PC most of time it skips BIOS loading screen and monitor starts up straight on Win loading.Any idea what could be this? I didn't do anything beside update BIOS and moved CPU clocks back to 4.6ghz

Now about 7970,first what i saw in MSI afterburner is that stock core voltage is 1045 and when i start Furmark it says there to VCCD is 1.175v
Can any1 explain me this?
Ok i ignored that and moved to clocking. I clocked card via MSI Afterburner to 1125 core clock,1575 memory at 1100 core voltage.Seted funs to work 30% at 30 C temperature,40% at 40C temperature and so on.

I started OCCT for 4 house all at full settings,full screen error check and it didn't show any error. After that i started IntelBurn test on Extreme settings for CPU and Memory and started FurMark at full settings 19820x1080 full screen and let it to run about 4 hours.It didn't show any artifacts,any glitches anything.Max temperatureof GPU was 75C ,IntelBurn test confirmed stability. After that i started BF3 ,i took to drive jet and everything went ok.Then i started at some spawn point and there we go everthing was like i'm in some 3d room,full of artifacts,huge artifacts.I checked 3d settings they were OFF coz i don't use 3D playing.

After that i restarted PC,started game and everything was ok,no artifacts,but after some time BF3 crashes... So what this could be?

Any tips,any advice about this?

I'm new at Overclocking world,i guess i should downclock corevoltage a bit,but first time when i tested card (before windows crashed etc) i puted settings core voltage 1080 core speed 1125 memory speed 1575 and OCCT after 2 hours showed 10 errors,but now when i tested on 1100 core voltage it showed 0 errors,but bf3 crashes..?
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post #3734 of 38701
Quote:
Originally Posted by pcgamers View Post

how come my single 7970 at 1230/1630 got similar avg fps with him on similar settings? i guess something's wrong with his score. My average fps is 63.33 after 3 runs.
Quote:
Originally Posted by GetTheMoney View Post

Well, I'm running a 7950 OC'd to 7970 performance, and on 1680x1050 and AAA I got 61fps. Obviously he has something going on with his card to take it way past this level, so unless he has a crazy OC, I'm thinking his cards are working fine.

What?

Now I'm confused. So my cards are or are not screwed up? It does seem weird that a rig with 1 7970 is getting the same as mine with two??
post #3735 of 38701
Hello there everyone..

I'm new here..
And I have a new XFX Radeon HD 7950 installed.
I'm not really into Overclocking.. I'm satisfied with Stock... (Yes.. there are a few of those) tongue.gif

But I have one problem..
My computer random freezes.. as in complete freeze.. I need to hard reboot the computer.
You think this might be driver issues? As my 5850 didn't have this problem at all.

As an small info, I installed GPU-Z. my ASIC Quailty is at 76,8% and as I can understand it.. VDDC is at 0.941V which seems low??

Using a brand new GA-X58-USB3 motherboard, if that's any help for you tongue.gif


Cheers for any thoughts, solutions or even just an small reply tongue.gif
Edited by JanFrode - 2/11/12 at 5:14pm
post #3736 of 38701
Quote:
Originally Posted by StrayderGame View Post

Heya all guys,i have read some pages about 7970 Overclocking (not all ofc but some). Here what happens. Yesterday i bought card,overclocked,and card worked so and so.I decided to update mobo bios,and to attacj 4pin molex to EZ Plug on mobo for more power,it can't hurts i guess, but problems came.
When i turned on PC It couldn't find boot.mgr so i had to reinstall win etc.I installed all,seted it up but noticed some strange thing.When i turn on PC most of time it skips BIOS loading screen and monitor starts up straight on Win loading.Any idea what could be this? I didn't do anything beside update BIOS and moved CPU clocks back to 4.6ghz
Now about 7970,first what i saw in MSI afterburner is that stock core voltage is 1045 and when i start Furmark it says there to VCCD is 1.175v
Can any1 explain me this?
Ok i ignored that and moved to clocking. I clocked card via MSI Afterburner to 1125 core clock,1575 memory at 1100 core voltage.Seted funs to work 30% at 30 C temperature,40% at 40C temperature and so on.
I started OCCT for 4 house all at full settings,full screen error check and it didn't show any error. After that i started IntelBurn test on Extreme settings for CPU and Memory and started FurMark at full settings 19820x1080 full screen and let it to run about 4 hours.It didn't show any artifacts,any glitches anything.Max temperatureof GPU was 75C ,IntelBurn test confirmed stability. After that i started BF3 ,i took to drive jet and everything went ok.Then i started at some spawn point and there we go everthing was like i'm in some 3d room,full of artifacts,huge artifacts.I checked 3d settings they were OFF coz i don't use 3D playing.
After that i restarted PC,started game and everything was ok,no artifacts,but after some time BF3 crashes... So what this could be?
Any tips,any advice about this?
I'm new at Overclocking world,i guess i should downclock corevoltage a bit,but first time when i tested card (before windows crashed etc) i puted settings core voltage 1080 core speed 1125 memory speed 1575 and OCCT after 2 hours showed 10 errors,but now when i tested on 1100 core voltage it showed 0 errors,but bf3 crashes..?

Your voltage is way to low or your temperature is to high
I use 1181 for 1125 mhz
Try 1175 that is the stock voltage as far as i know.
Afterburner says mine is 1112 at stock , i think its a bug .
Also go tot settings and set powertune +20%
I assume you have the latest beta afterburner ?
post #3737 of 38701
Quote:
Originally Posted by Hexa View Post

What?
Now I'm confused. So my cards are or are not screwed up? It does seem weird that a rig with 1 7970 is getting the same as mine with two??

Just disable one of the 7970s and run the exact same test. I guarantee your result will be much lower. That guy's 7970 was overclocked to ridiculous amounts, and he said "similar settings" - I doubt it was an identical test.

I just ran the test on your exact settings with my 7950 at stock speeds. Only difference, I'm at 1680x1050. So the resolution and card difference should more or less cancel out. I got 40fps. There's absolutely no way you're getting 61fps in the benchmark with these settings with just one card working. It does seem strange though, I would expect you to be closer to 80fps since these cards are supposed to scale almost perfectly. But try running the test again with one 7970 disabled and see what you get.
Edited by GetTheMoney - 2/11/12 at 7:55pm
post #3738 of 38701
Hey guys ! A new guy from Norway here smile.gif


One quick thing to you guys that say occt/furmark and so are stable after gpu overclock and not on games... Its normal. That is because for "powertune".

279

"AMD told us that 99% of the games out there don't get close to the cards' maximum TDP, but a few applications want to exceed the max TDP on the new Radeon HD 6900 series cards. Notable offenders include Furmark, 3DMark 03 Game Test 4, Perlin Noise, and OCCT with SC8 enabled. By increasing the power control percentage in CCC you can increase the PowerTune limits of your video card."

Thats the reason why games crash and get artifacts and now stresstests. Use a good/high grafics game or 3dmark11 or something to test stability.


Other than that, just bought a powercolor PCS+ 7950 with dual fan, and man the card is good. Was thinking about a 7970 but its super expensive up here in Norway and i didn't want the reference type card. Its super cold and super quite, have yet to actually hear the card in my case when with 1100/1500mhz @ 1200 which it running at biggrin.gif happy happy smile.gif Probably will buy one more and run crossfire smile.gif

Question: I'm used to 4870x2 which is super hot, running at like 95-105c and sounding like a jet. What it considered hot on the 7950 ?
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post #3739 of 38701
Yeah, Furmark is useless for stability testing. The only use I have for it is the benchmark feature, which is useful for overclocking the memory clock since you can pick out the exact spot your performance starts to lower.
post #3740 of 38701
Quote:
Originally Posted by Cliors View Post

Your voltage is way to low or your temperature is to high
I use 1181 for 1125 mhz
Try 1175 that is the stock voltage as far as i know.
Afterburner says mine is 1112 at stock , i think its a bug .
Also go tot settings and set powertune +20%
I assume you have the latest beta afterburner ?

That is not a bug. There are 4 different default voltages and they depend on the ASIC quality. 1112mV is one of them. In fact, my card is one of the 1112mV cards.
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