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gpu: pcie x16 slot problems

post #1 of 10
Thread Starter 
over the last few weeks ive noticed my pcie slot reporting its running at either x8 or x16 and it keeps changing between the two.
I have link state disabled and still get the same results but today I get x2, this is really annoying me now and im wondering if the board is borked.

I have updated the bios again and cleared cmos a numerous amount of times and infact cleared the cmos powered off powered on cleared and let it run from there and still the same.




please anyone got any help or suggestions or the fix for this
post #2 of 10
Try to run some GPU stress test program such as the MSI Afterburner and load it up. If it stays at 16 during the test then good.

PCI slots "throttles" themselves when not in use, probably to save power.
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post #3 of 10
Oh and by the way, why the h311 do you have DDR3 2400 RAM running at just 1333Mhz?
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post #4 of 10
Quote:
Originally Posted by richie_2010 View Post

over the last few weeks ive noticed my pcie slot reporting its running at either x8 or x16 and it keeps changing between the two.
I have link state disabled and still get the same results but today I get x2, this is really annoying me now and im wondering if the board is borked.

I have updated the bios again and cleared cmos a numerous amount of times and infact cleared the cmos powered off powered on cleared and let it run from there and still the same.




please anyone got any help or suggestions or the fix for this

Quote:
Originally Posted by TheLAWNOOB View Post

Try to run some GPU stress test program such as the MSI Afterburner and load it up. If it stays at 16 during the test then good.

PCI slots "throttles" themselves when not in use, probably to save power.

This.

Download GPU-Z.

http://www.techpowerup.com/downloads/SysInfo/GPU-Z/

it will show you all your gpu info. On the right side where it gives you yous PCI-E Lan info there is a small question mark. Click on that question mark and run the render test. While the test is running your GPU should run at the standard x16. Try that and report back.

I myself had the same issue a while back. Thought I had a bad PCI-E slot. but after a reseat and trying that I relaized that it was just throttling down when not is use.
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post #5 of 10
yeah nice feature GPUz has..... have never tried this function!.....came over here from crosshair thread certainly sounds like a possible powersaving feature in the bios or windows power state management.... screenshot of what it looks like...



I am running 1703 bios with all bios and windows powersaving features active with CF 6950's...stays x16 2.0 at all times in windows

definitely suggest as mwl5apv has try this and post results thumb.gif
Edited by ryan w - 3/30/13 at 8:15pm
 
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post #6 of 10
Thread Starter 
Ive tried the render and no change also i reset bios and let it boot from basic settings so didn't change it all,
ive got it on high power and link state power is disabled in the advanced options, im just totally contused
post #7 of 10
Thread Starter 
Ive tried the render and no change also i reset bios and let it boot from basic settings so didn't change it all,
ive got it on high power and link state power is disabled in the advanced options, im just totally confused

going to take out my card and remount bud did this before ands the same happened
Edited by richie_2010 - 3/31/13 at 1:02am
post #8 of 10
Quote:
Originally Posted by richie_2010 View Post

Ive tried the render and no change also i reset bios and let it boot from basic settings so didn't change it all,
ive got it on high power and link state power is disabled in the advanced options, im just totally confused

going to take out my card and remount bud did this before ands the same happened

if there was no change with the render test then I would say give that reseat a try. If that doesn't do it look through CCC and see if there are any pwoer savings enabled there by chance. After that try the card in a different pci-e slot and report back.

At the very worst its either a bad gpu or pci-e slot. However from all the reading I have done I don't think there is that large or a performance difference(if any) between x8 and x16. If the slot is the case.

Maybe someone else can confirm this.
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post #9 of 10
Thread Starter 
Ive done another reseat and its back at 16x atm but will keep eye on it. Thanks buddy.
post #10 of 10
no problem. report back and let us know if it goes back.
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