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GTX 260 only running at pci express x4

post #1 of 7
Thread Starter 
Well for the past few months my MSI GTX 260 has been running at x4 mode. Its still enough bandwidth for the card and it still games just like brand new. Im just wondering what could cause this?
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post #2 of 7
Which slot?
Is your sound card stealing lanes?

And how are you verifying 4x?
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post #3 of 7
Thread Starter 
The first X16 2.0 slot available. It happened before I got my Titanium HD too. GPU-Z and Everest report it as running in x4 2.0 mode.
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post #4 of 7
Quote:
Originally Posted by Philbar71 View Post
The first X16 2.0 slot available. It happened before I got my Titanium HD too. GPU-Z and Everest report it as running in x4 2.0 mode.
Even under load it stays at 4x?

Could be a bad seat, have reseated the card?
And you've double checked bios for any lane width settings?
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post #5 of 7
use a pencil eraser on the pcie contacts it should clean them right up.
though the last time this happened to me it ended up being slightly conductive TIM on the gpu core resistors.
post #6 of 7
Thread Starter 
Quote:
Originally Posted by grunion View Post
Even under load it stays at 4x?

Could be a bad seat, have reseated the card?
And you've double checked bios for any lane width settings?
Tried both, even overclocked and underclocked pci express bus. My bios doesnt have lane width settings either.

Ive also soaked the card in alcohol and cleaned the slot thoroughly.

Im thinking the card is somehow dying?

And, I'll go check to see what its running at under load in just a sec.

Yep its still running at x4 mode in crysis and various other games.
Edited by Philbar71 - 3/14/11 at 11:40am
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post #7 of 7
This happened to me with a P55 Gigabyte board and my 2900XT. But I was only get x1 on mine. I tried an 8800GT thinking it was my GFX but I still had the problem. Wasn't will I replaced the mobo with an Asus one that the problem was solved.

No more Gigabyte boards for me!
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