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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 2390

post #23891 of 38668
What does the VDDC Current reding mean? If my card max at around 191A, is that considered safe? Should I lower volts or oc (I'm on 1150 core atm)?
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post #23892 of 38668
VDDC Current is the amperage your card is pulling at it's core voltage at that moment. It's handy for calculating power consumption but for the rest.. All it affects is VRM temperatures and you can't bring it down. It's just what it draws. Only way to limit it is to bring power limit % down but 191A at say, 1.200v is only 229,2W power consumption while the cards specified TDP is max 250w so your waaaay in the safe zone.
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post #23893 of 38668
It makes me sad that so many people were able to push their 7970's so far frown.gif I got screwed
post #23894 of 38668
Quote:
Originally Posted by Noviets View Post

It makes me sad that so many people were able to push their 7970's so far frown.gif I got screwed

what clocks can you get with that asus 7970?

im buying one in the near future to put with my 7950 which I can get stable at 1200/1750

they look so god damn beasty, favourite of all time!
post #23895 of 38668
I have it running stable at 1015/1800
I cant get the core above 1020 without driver crashes.

Could likely get more out of the memory clock, but I haven't felt the need.
I'm currently trying a bunch of different drivers/bios to see if I can get it stable.

Pretty unimpressed tbh
post #23896 of 38668
wow! im very impressed with mine!

ive beaten all 3dmark top spots when I had it with the fx4100, it smashed benches!

do you know if your voltage is unlocked, when I tried different bioses it said through msi ab that I changed voltages but it didn't actually do it. worth checking, because when I get a driver crash its lack of voltage. and memory can oc up to 1800 on stock voltage. im thinking the voltage change aint actually happening for you, or like you say youre unlucky!

now its with the 8350 its a whole new card in gaming! I want another or 7970 I like it that much. and asus seems to be knocking down prices, on dabs they had one for 100 quid less!!

ive spent too much in the last month tho so will wait.
post #23897 of 38668
Man oh man 7970's are SO temperature dependant...

My TF3 OC wouldn't go anywhere near 1250Mhz without massive artifacting with the MSI TF3 cooler. It hit ~75c in Valley Extreme HD on the core and ~80c VRMs after 30 minutes with 100% fanspeed.

Now, I went all ''YOLO'' on the poor thing, pulled it apart, grabbed one of my 2 Accelero 7970's, bent the tips of a string of 5cm of fins to make it fit besides the baseplate, tore the mount of the thing to pieces to make it fit besides the VRAM/VRM cooling baseplate of the TF3, made a custom ''spacer'' for the backplate of the AAX out of a chunk of armaflex, bolted it to the card and went for it.

To my suprize the card actually booted and ran a nice 22c idle. So, mount success!

Then, I fired up Valley XHD again and rammed the AAX to 100% fanspeed as well.
Coretemps maxed out at 48C and VRM's at 73c.

This suddenly made my card stable at speeds up to 1260Mhz! So, If you have artifacts? Bring the temps down and they dissappear like snow before the sun..

I'm happy to say I can run 1250Mhz stable now lol!
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post #23898 of 38668
Valley isn't a good tool for stability testing. I could run 1300Mhz/1700Mhz on my Accelero cooler with 1.212v but it would crash in games.
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post #23899 of 38668
I just noticed it...

BF3 crashed within minutes but still tongue.gif Arti's are gone, It was a DirectX crash this time.
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post #23900 of 38668
Quote:
Originally Posted by d1nky View Post

do you know if your voltage is unlocked, when I tried different bioses it said through msi ab that I changed voltages but it didn't actually do it. worth checking, because when I get a driver crash its lack of voltage. and memory can oc up to 1800 on stock voltage. im thinking the voltage change aint actually happening for you, or like you say youre unlucky!.



MSI AB doesnt even detect the Vcore volts for me. Using the new 3.0.0 Beta 9.

Should I try a different Bios? Suggestions?
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