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[Official] The AMD Radeon 7800 Owners Club - Page 126

post #1251 of 4099
Quote:
Originally Posted by Dimaggio1103 View Post

I had to RMA mine to Asus. Hope they fix it. Untill then I am stuck with an old 4350....mad.gif

Me too, but to MSI and stuck with my GTS250, it's not that bad though, I can still play D3 on max and Bf3 on low at 1366x786
Let's see who is faster, Asus or MSI. I sent mine out today (technically yesterday as of this post, but I haven't gone to sleep yet) It should get to them on Friday.
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post #1252 of 4099
Is coil whine common on the 7850's?
post #1253 of 4099
Quote:
Originally Posted by Guovssohas View Post

Is coil whine common on the 7850's?

I must be a newbie. What is coil whine? My 7850 smokes.....best card I ever had.thumb.gif
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post #1254 of 4099
It's a high pitched sound under load(not fan), or gaming i should say.
post #1255 of 4099
Quote:
Originally Posted by Guovssohas View Post

Is coil whine common on the 7850's?

I don't hear it on my card

Quote:
Originally Posted by bf3player1978 View Post

I must be a newbie. What is coil whine? My 7850 smokes.....best card I ever had.thumb.gif

Coil whine is mechanical resonance of the coil with the frequency of the signal passing through it. Physically, a coil is just loops of wire, sometimes with a core other than air. If the frequency of the signal is in resonance with the physical wires of the coil, the coil may vibrate. Oft times, the vibration is beyond human hearing (yokes in TV's can do this), other times it's in the range of human hearing
Edited by DizzlePro - 7/26/12 at 9:51am
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post #1256 of 4099
I have no coil whine with my 7850. What brand of card you using that whines?
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post #1257 of 4099
Quote:
Originally Posted by TheYonderGod View Post

Me too, but to MSI and stuck with my GTS250, it's not that bad though, I can still play D3 on max and Bf3 on low at 1366x786
Let's see who is faster, Asus or MSI. I sent mine out today (technically yesterday as of this post, but I haven't gone to sleep yet) It should get to them on Friday.
I think youll win, UPS said mine wont arrive at there door till middle of next week. Im in AZ they are in INDIANA. I think I am out for 3-4 weeks. What worries me is the problem is not easily reproducible. and its only in two games. So I am afraid that they wont see it having issues and just send it back. I told them this and wrote a note in the box, but who knows.
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post #1258 of 4099
Hi all,

Been following this thread for little while as I looking to OC my Sapphire OC 7870, running 12.7 beta drivers. Forum overall has been top quality in all aspects of building my first PC.

Got a few questions / probs:

In Heaven benchmark its runs fine otherwise, apart from knocking tessellation from moderate to anything above. If I do I get a strange intermittent artifact; semi opaque black blocks on bits of screen, like interference on a TV. Running Metro 2033 with tessellation is fine and my 3D mark 11 benchmark on extreme was 2000 odd without any artifact problems. Also downloaded Tessmark without any obvious problems. Is this something I need to look into further (hopefully not problem with card) or a bug with the program? Google wasn't much help.

At the moment have my fan set to automatic in Catalyst, is this the best way? Temps been reaching around 60C on benchmarking but fan seems to only go from 20% to 30%.

Also, is there is a rough consensus what sort of temperatures should be aiming for at full load?

Cheers
post #1259 of 4099
Spent the last few hours researching and messing about. All of the below has been done on max settings (including tessellation), just changing the resolution.

- Switching Tesselation in CCC from AMD optimised to Application controlled seems to control the massive artifact I was getting

- Was still getting massive artifact at 1900x1200. Strangely, if I open Heaven in 1900x1200 there is loads of artifact and flickering, yet if I start in 1680x1050 and then switch resolution in program to 1900x1200 while keeping other settings the same it runs fine.

- At 1680x1080 I was still getting artifact in top left corner (blue blocks intermittently) on benchmarking. This was sorted by turning on 'AMD Overdrive' in CCC (even without changing any of the settings it unlocks).

This is on stock clock/mem/voltage [which is 1050/1250/1.168] at 1680x1050:


This is on stock clock/mem/voltage at 1900x1200:


This is on 1175/1450/stock voltage at 1680x1050:


Then the 1175/1450/stock voltage at 1900x1200:


Temps have not gone above 64C. Also, 3D Mark 11 hasn't caused probs on their benchmark.

Does the above seem normal? Have had a good google, but love to learn.

Thanks
post #1260 of 4099
Wilsouk

I'd suggest downloading/installing Sapphire Trixx and create a custom fan profile where it sets the fan at 40% till card reaches 50. From there i'd set the fan as follows. 50 degrees C/50% fan, 60 degrees C/60% fan, 70 degrees C/80% fan, 80 degrees and above/100% fan
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