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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 795

post #7941 of 38701
i returned my card to the shop cuz it comes with a ridiculous voltage on such low factory oc 71.4% asic and they replace it with new one.guess what it comes with low voltage 83.7%asic,i hope this card will surpass my previous card.
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post #7942 of 38701
I'm overclocking one of my 7970 right now, but I keep getting blackouts when I o/c it to 1300Mhz/1800-1700Mhz at voltage 1300mv/1700mv, it's under water now so temp is not a issue here.

This card has 88.4% asic quality, default voltage is 1024mv when I open up AB, AB /rr174 = 00000174 00003880.

Am I pushing the voltage too hard or what? Need inputs and thanks.
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post #7943 of 38701
That is a rather extreme overclock at a such a low voltage, yes, you've hit a ceiling.

Meanwhile, what's this about driver issues? I haven't had a single driver issue with my Radeon HD 7950, neither with 12.1 that came with driver CD, 12.2 WHQL, and 12.3 WHQL also work perfectly in all the games you guys are having problems with. Are we just installing the drivers wrong?
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post #7944 of 38701
Quote:
Originally Posted by HGooper View Post

I'm overclocking one of my 7970 right now, but I keep getting blackouts when I o/c it to 1300Mhz/1800-1700Mhz at voltage 1300mv/1700mv, it's under water now so temp is not a issue here.
This card has 88.4% asic quality, default voltage is 1024mv when I open up AB, AB /rr174 = 00000174 00003880.
Am I pushing the voltage too hard or what? Need inputs and thanks.

That is a 40% overclock, dear god man. If temps are fine, can't be any harm.
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post #7945 of 38701
Catalyst version is 11.12, driver version is 8.921.2, I think it's RC11. What's the max voltage that I can apply for this card btw?
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post #7946 of 38701
Quote:
Originally Posted by HGooper View Post

Catalyst version is 11.12, driver version is 8.921.2, I think it's RC11. What's the max voltage that I can apply for this card btw?

1300mv, and why are you using an ancient driver? You should do a clean driver sweep to remove any and all traces, reboot the system, install Catalyst 12.3 with driver version of 8.951, and reboot again.
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post #7947 of 38701
Quote:
Originally Posted by HGooper View Post

Catalyst version is 11.12, driver version is 8.921.2, I think it's RC11. What's the max voltage that I can apply for this card btw?

Even how much volt you apply to your card, the GPU will only get Stock+125mV . so whatever your stock voltage is, your GPU will only be fed 125mV more than that.
Quote:
Originally Posted by mmstick View Post

1300mv, and why are you using an ancient driver? You should do a clean driver sweep to remove any and all traces, reboot the system, install Catalyst 12.3 with driver version of 8.951, and reboot again.

No, see above
post #7948 of 38701
Quote:
Originally Posted by Daffie82 View Post

Here some 3dmark results for my rig :
Game OC bench (1130mhz core @ 1175mv / 1550mhz memory @ stock voltage)
295
Bench OC bench (1200mhz core @ 1193mv / 1600mhz memory @ stock voltage)
325
Are these results what to be expected?

http://3dmark.com/3dm11/3073338;jsessionid=1txntql8gy9satwjbijocghem

1170/1650@1174mV

So i think u're good:>
post #7949 of 38701
Quote:
Originally Posted by Norlig View Post

Even how much volt you apply to your card, the GPU will only get Stock+125mV . so whatever your stock voltage is, your GPU will only be fed 125mV more than that.
So it doesn't matter whether I put the max voltage on AB, the max voltage for this card is 1024mv+125mv=1149mv, am I right?

And how to solve the blackout problem?
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post #7950 of 38701
Quote:
Originally Posted by mmstick View Post

That is a rather extreme overclock at a such a low voltage, yes, you've hit a ceiling.
Meanwhile, what's this about driver issues? I haven't had a single driver issue with my Radeon HD 7950, neither with 12.1 that came with driver CD, 12.2 WHQL, and 12.3 WHQL also work perfectly in all the games you guys are having problems with. Are we just installing the drivers wrong?

I'm wondering my self that too. Never had any problems with amd drivers.
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