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MSI Z77 Mpower owners club / All things MPower - Page 214

post #2131 of 3633
Hi All,

I just got this mobo (z77 mpower) with a 3770k and I am having issues with my two Gigabyte 670 in sli (they seems to run fine not in sli). These same cards were fine in my other computer which is a Z68 mobo and 2600k.

I did some reading on a number of forums and there seems to be an issue with many of the Gigabyte 670 cards runing on pcie 3.0. A known fix is to turn off pcie 3.0 in the mobo bios and have them run in pcie 2.0. It seems this is trues as I was not having any issues on my z68/2600k pcie 2.0 setup. The crappy thing is if you have a mobo that does not have the option to turn of pcie 3 support in the bios... you are screwed and stuck with having ussues.

So my problem is... when is dissable PCIe 3.0 support in the z77 mpower bios and in win7, it still shows that my cards are running in pcie 3.0, I have checked in two places both nvidia ctrl panel and also in gpuz and I continue to have the problems with the cards. When I go back into the bios to double check afterwards, it still shows as off.

Has anyone dissabled the pcie 3 support in bios and can confirm that it does infact actually turns it off makes the the slots pcie 2.0? Any help would be appreciated as I need to somehow make these cards run in pcie 2 and not 3

Thanks,
post #2132 of 3633
Just go to BIOS find Setting tab and open Advanced :


Inside Advanced you may find PCI Subsystem Settings, open it :


Then finally change PCIE Gen 3 to Disabled :


Hope it works smile.gif
Edited by neoroy - 2/21/13 at 9:14pm
SkynetX
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SkynetX
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post #2133 of 3633
Quote:
Originally Posted by broadbandaddict View Post

Got my Mpower today. This is by far the nicest board I've owned. biggrin.gif
Picture (Click to show)
Good news. Looks like the powered port is indeed a regular USB header. Should be able to pick up any number of adapters (like the one I posted last night). Took some pics for reference, I outlined the pins on each port yellow and I circled the empty area in blue on the mobo and red on the connector for reference. thumb.gif
USB Header (Click to show)


Thanks for checking that out for me really appreciate it. I'm going to see if I can find one that will fit the colors of my rig, otherwise I'll have to go with the front ports on my case.
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post #2134 of 3633
Hi Neoroy.... Yeah that is what I did, then save and reboot. Then when I checked in nvidia ctrl panel or gpuz it still shows the cards running in pcie 3.0.

Somehow it's not turning off even though it is disabled in bios.
Edited by Dramendam - 2/21/13 at 9:27pm
post #2135 of 3633
Have you try to update BIOS? Look at this BIOS, it has hotfix for PCIE GEN3 display card issue :



Saw it in Overclockers.co.uk Forum
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post #2136 of 3633
Hope it's fixed because my 670s just got here (still waiting on the PC).
Inferior FTW!
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Inferior FTW!
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post #2137 of 3633
Quote:
Originally Posted by CrazyCorky View Post

How difficult is it to desticker it?

Not too difficult.

They are only held on by double sided tape. I levered them off with a small screwdriver. Then removed the remains off glue.

Some are easier than others.
post #2138 of 3633
Yes, I flashed the latest official 17.6. Did not help. I still can not turn off pcie 3.0 frown.gif
post #2139 of 3633
Madweazl, this is only an issue with the gigabyte 670oc 2gb cards and a few 680s.
post #2140 of 3633
Well that is good to hear, for me at least.
Inferior FTW!
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Inferior FTW!
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CoolingCoolingCoolingCooling
XSPC RX240 (White) EK Vardar F2s (x5) EK-FC1070 GTX1070 (nickel/plexi)  EK GTX1070 FE backplate 
CoolingCoolingCoolingOS
EK Double Bay PWM D5 MX Bitspower 250 Z-Multi Res EK HDC fittings (12mm) Windows 10 
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