Problem with Gigabyte Z87x UD3H - Pci x 16 slot

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robertjc

Honorable
Jun 25, 2013
10
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10,510
Hi,

Purchased and put together the following yesterday:

i5 4670K/Gigabyte Z87x UD3H/Antec 900 HCG/MSI TF7970/16gb 1866 Gskillrjaws/Samsung SSD/WD 1tb HDD black.

When putting the 7970 in the PCIE x 16 slot (the first slot from CPU down) it simply will not run ... it wont display anything out to the monitor. Strangely '1' time it did and then I went to run heaven benchmark and the computer rebooted as it was loading the first graphical scene.

I switched it to the 2nd PCIE x 8 slot and it worked perfectly. Problem is I want to crossfire 2 of these cards.

Troubleshooting I have undertaken so far:

Switched pcie power cable to card / used both pcie cables to the card.
Removed wi-fi card in first pci slot (next to the PCIE x 16 slot).
Latest Graphics card drivers.
Motherboard has the latest bios / but I did not try the new beta bios on gigabyte's website (as it is a beta/and I had to sleep).
Changed manually in bios to ensure PCIE slot 1 was being used.
Forced in bios disabling of onboard intel graphics (which necessitated a reset cmos as I couldnt see anything at all as no graphic display was working.)

Aside from installing the Beta bios have I not covered off everything?

It works perfectley without a hitch in the second PCIE slot.

CPU / BOARD and CARD are all pcie 3.0 ... so no problem there.

I think I may have a dud board, as curiously 1 time (after what must have been 30-40 restarts in different configurations / 2 or 3 cmos resets etc etc) it worked until it had to run a graphical program.

Please help and assist ... thanks.


---------------------------------------------------------
Update: referred to Gigabyte and got this response .. i can do this but can someone elaborate why this would make a difference?? Especially since its boots in the other PCIE slot without a problem? I hate motherboard manufacturers...

""Thank you for your kindly mail and inquiry. About the graphics card issue, kindly contact your graphics card manufacturer and confirm if the graphics card is UEFI BIOS or Legacy BIOS. Meanwhile, we suggest you may try to adjust a item in BIOS to see if it could help. Please use another VGA card which it could boot properly with your system, and then enter BIOS, [BIOS Features] > [PCI ROM Priority] set as [Legacy ROM].""

Thanks Gigabye great! no help.



 
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l2ogue007

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Aug 27, 2013
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10,510
Hi, I have same mobo and same problem. I have a GTX690. When I 1st assembled the system it would not display through the card, only the integrtated graphics. Finally I got it working, although not sure how. It's been ok for a while, until 15 mins into a game of Crysis 3 a few days ago when it crashed. Now will not display through the card at all. The card powers up etc, but will not display, in hardware manager it is not seen by the system at all. Als the Nvidea driver cannot detect any Nvidea hardware.
Have you had any luck yet, please let me know if you do. I don't get much time in the week to try anything, will try another card asap, but only have a PCI-E 1st gen HD4870.
Thanks.
Just found some helpful info in forum posts with EVGA (manufacturer of my card). There is apparently a UEFI BIOS available for some cards, as very few cards come with a UEF BIOS as standard. So maybe there is something in what Gigabyte were saying. Flashing to a UEFI BIOS may solve the problem.
 
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jb6684

jb6684

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Feb 20, 2011
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20,460
Sounds more like a "Bug" in the UEFI BIOS on Gigabytes motherboard. Not, a slot problem.....

- Can anyone verify that it works with a UEFI BIOS graphics card
- so far everyone is using their older cards which are clearly Legacy BIOS GPU's.... GTX690, and getting "spotty" results as one would expect with a "Bug" .....(if it was a 100% failure, they wouldn't have missed it.... :) )
 
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V

VDM

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Jan 12, 2014
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W7, but the computer with the card (hd 4650) in the x16 slot do not even get into the bios.
 
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V

VDM

Honorable
Jan 12, 2014
4
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10,510
Update,

slot PCI E X16
HD6750 OK
nvidia 210 OK
HD4650 NO

In the other PCIe X8 and X4 all the cards work fine.

So for the future users that have this problem I recommend to not try to work out is useless, I tryed everything, go and find another VGA card and with some hope will work.
 
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J

JessykaNC

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Jan 19, 2014
1
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10,510
Has anyone come up with anything in the past few days?

I've got a ud3h and I'm using the gigabyte gtx-770 graphics card and I have the same issue. It's kind of hard to pay this kind of money and justify keeping a motherboard and running the video card in the pci-e 8x slot.
 
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S

spikey_richie

Reputable
May 9, 2014
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4,510
Bit late to the party on this one. I had this issue when installing a GTX 750 Ti into my Gigabyte board; I had an 83 second POST screen then Windows would start loading. I tried a CMOS reset; no dice. I couldn't even get into the BIOS to check the settings. So I put my GTS 450 back in, and hey presto the system was working as normal. After a lot of messing about, and changing settings I found the fix!

The setting in the BIOS is called PCI ROM Priority, and this has to be set to Legacy.

There's a post on the EVGA forums about it too, with the Gigabyte fix at the bottom

http://www.evga.com/support/faq/afmviewfaq.aspx?faqid=59421
 
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