Common MoBo Problem but no Solution

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jcol87

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Mar 18, 2013
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I have an AsRock Pro3 LGA 1155 z77 motherboard that is supposed to have a PCIe 3.0 slot. But it just does not work. When I first put my build together, I thought I had done something wrong. It would power on, all fans would spin, but no display. It wasn't until I switched it to the PCIe 2.0 slot that it worked, but now I'm stuck with slower bandwith. I would really like to take advantage of the speed I purchased. I cannot seem to find a fix for it anywhere, different places say its bios some say its the card. I just bought this motherboard, it has the newest BIOS revision and the graphics card is also brand new (Gigabyte OC edition radeon 7850). I wish there was some solution. Any who has had this problem and fixed it?

That would really help. I want to switch it to that slot so I can use the increased bandwith. I know that if you use Sandy Bridge, it is not compatible right out of the box. But I'm using the i5-3350P Ivy bridge. It is supposed to work.
 
Solution
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You can RMA the board and I would. Newegg has been great to me in the past and if you give them a credit card number they will often send you a new board before you have to ship the old one back so you are not without a computer. Then you have like a week to send the old one back after you get the new one.

However an HD 7850 is in no way bottlenecked by a PCI-E 2.0 slot. Moving up to an HD 7970/GTX 680 level card gains you a few frames per second with a PCI-E 3.0 over 2.0. A mid level card like the HD 7850 will not be affected though.

Edit: If they will not offer you free shipping ask to talk to someone else. Keep going to the next person up the ladder to someone who can make it happen. As I said newegg has been great to me in the...
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jcol87

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Mar 18, 2013
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i am consering that, i am just so lazy and do not currently have the money for return shipping, newegg wanted me to pay the shipping cost, and from what i've seen online, AsRock gives u the run around when you confront them about this particular problem. they tend to blaim the graphics card
 
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Deleted member 217926

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You can RMA the board and I would. Newegg has been great to me in the past and if you give them a credit card number they will often send you a new board before you have to ship the old one back so you are not without a computer. Then you have like a week to send the old one back after you get the new one.

However an HD 7850 is in no way bottlenecked by a PCI-E 2.0 slot. Moving up to an HD 7970/GTX 680 level card gains you a few frames per second with a PCI-E 3.0 over 2.0. A mid level card like the HD 7850 will not be affected though.

Edit: If they will not offer you free shipping ask to talk to someone else. Keep going to the next person up the ladder to someone who can make it happen. As I said newegg has been great to me in the past. I would say you have about a 90% chance of getting free shipping if you just keep asking to talk to whomever says they can't boss.
 
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jcol87

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Mar 18, 2013
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I figured that. I might just leave it. I'm not going to crossfire anyway. And when I do eventually upgrade the card, I'll just use the 2.0 slot. Maybe by then I'll find out it is a software and not a hardware issue.
 
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Deleted member 217926

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Sounds like hardware. And just food for thought if something is wrong with a PCI-E slot something else might be bad or about to go bad too. I would replace it personally. I just would not trust known, bad hardware not to break more.

Either way, good luck :)
 
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jcol87

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it actually was the bios, i updated it and they now let you choose which speeds (including 3.0), but when i upgraded i lost the ability to deactivate turbo boost and speedstep with the no-k OC (they still had the option, but it wasn't as fast, it would go up to 3. 5-.6, where, when off, it was .7-.8, i know its just a few 100 MHz but the power saving and/or reduction to wear/tear by allowing the cpu to throttle while the multiplier is increased just seems strange, and im pretty sure that you couldnt change the difference between turbo and regular for this one (i5-3350p), it normally goes from 3.1 to 3.4, but can be OC to 3.7, i know the focus is more on the architecture and sofrtware that can take advantage of the multipkle threads, but its a weird choice, then again im not a cpu manufacturer or the manager of any such company, so idk
 
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Ro-Tang Clan

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Jun 22, 2013
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I understand your board has a fault with the PCIE 3.0 slot, however by doing a quick google it doesn't look like there'd be any performance differences between the 2 standards yet.

http://www.pugetsystems.com/labs/articles/Impact-of-PCI-E-Speed-on-Gaming-Performance-518/
 
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