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Radeon 7770 runs at PCI-E X1

post #1 of 10
Thread Starter 
I just bought a Sapphire 7770 card and I'm having a problem.
With 12.1 driver it always run in PCI-E 1X mode, no matter what I do.
With 12.2 driver it runs @ PCI-E 16X but after it enters and then returns from ZeroCore power saving mode it falls back to PCI-E 1X and I have to reboot the computer to make it work @16X. I got Gigabyte GA-H61M-D2-B3 mobo and Celeron G530 CPU.
Anyone else have these issues?

486
post #2 of 10
can you link your motherboard and tell us which slot you have the card installed in please...
post #3 of 10

Ignore the readings. You will see it @x16 if you run applications/games but not in desktop. 

 

 

 

3958.jpg

 

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ケンジ
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post #4 of 10
Thread Starter 
Quote:
Originally Posted by Ken1649 View Post

Ignore the readings. You will see it @x16 if you run applications/games but not in desktop. 
Nope. It runs at x1 under 3D load.
post #5 of 10
Quote:
Originally Posted by Ken1649 View Post

Ignore the readings. You will see it @x16 if you run applications/games but not in desktop.

Only has one slot tongue.gif
post #6 of 10

If you think it affects the performance and the card is defect then return it.

ケンジ
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post #7 of 10
Are you sure you downloaded the HD7700 series drivers and not the HD7900 series?
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post #8 of 10
I have the same card (although atm its running the drivers that were boxed with it) and its running at x16. Check in your motherboards bios that its set to x16.
    
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post #9 of 10
Thread Starter 
Thanks for your replies.
But as I said, my card does run at 16x with 12.2 driver. The problem is that it falls back to 1x after the card returns from ZeroCore powersaving mode. The only option to run the card at 16x is to not use the ZeroCore, which is unacceptable because my puter is on 24/7.
post #10 of 10
Quote:
Originally Posted by smp View Post

Thanks for your replies.
But as I said, my card does run at 16x with 12.2 driver. The problem is that it falls back to 1x after the card returns from ZeroCore powersaving mode. The only option to run the card at 16x is to not use the ZeroCore, which is unacceptable because my puter is on 24/7.

sounds like a software bug, just going to have to wait till AMD fixes it.


LOL i HATE the word puter.
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