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[Reddit] RX 480 fails PCI-E specification - Page 34  

post #331 of 1129
It's possible if the mobos or it's parts aren't designed to handle the power. But most boards do support multiple GPUs so they should be able to handle 1 no problem even if it draws a little over specs. The thing is do the parts on the mobo tolerate this overdraw? Like the controller or any other parts connected to the PCIe. It's not the first card that overdraws on PCIe, there have been such cards before from any brand.

I don't defend AMD, I think they really should resolve this issue and not overdraw power on the PCIe connector, the PCIe power cables are for supplying additional power not the poor mobos.
post #332 of 1129
Quote: AMD forum post source

Hi Everyone,

 

    First-time poster here. I ran into a problem after upgrading my rig with an RX 480 today. Everything was working great but then after a 7-hour straight gaming session with Witcher 3 Blood and Wine (which by the way is AMAZING) I got artifacting and then everything went black and the sound cut out. I reboot my PC several times, but nothing would come up. After looking up the error code on the motherboard, I found that it was "No VGA present" so at first I thought the card was dead and I put back in my 750 ti, but it too would not work with the same error code. So I put the RX 480 in the second PCI-E slot and now everything is working just fine. After everything was A-OK I tried slot 1 again and it failed again, so now I'm in slot 2.

 

     I did a Google search to see about this problem and I found several articles about the RX 480 overdrawing power on the PCI-E slot. HOWEVER, I'm not sure I'm ready to pin this issue on that yet, hence why I'm posting. I feel like having the card for just a day and only having a 7-hour gaming session is too soon to cause failure. What do you guys think? Maybe it's just a coincidence? I'm no expert on power draw or what overdrawing would actually do to a slot or even the motherboard as a whole. I also feel like if it was due to overdrawing of power that the whole south-bridge would get messed up and then the second PCI-E slot wouldn't work either, but it does work. I could be wrong in thinking that, though. Anyway, thoughts?

 

Here are my full specs:

 

Processor: AMD FX-8350 @ 4.5GHz

RAM: 8GB Corsair Vengeance DDR3 @ 1600MHz

Motherboard: ASRock 970 Extreme4 [edit ] //I believe this is a 2013 board

GPU: RX 480 8GB Overclocked to 1350MHz core (no overvolting, stock VRAM speed)

PSU: Corsair CX500 80+ Bronze

HDD: 1TB Western Digital Black 7200RPM (64MB Cache)

OS: Windows 7 (everything up to date)

 

While I copy this post here for clarity(also as it's on AMD's forums so that post has the shelflife of a Duff Beer in front of Homer Simpson, and will likely disappear soon), This is the first AMD forum user ("It happened to me") type post I've heard of. And as @lolfail9001 said, who knows if true or not. I give it an Internet 50% chance... eh.


Edited by Ghoxt - 7/1/16 at 5:17am
post #333 of 1129
Quote:
Originally Posted by Ghoxt View Post

While I copy this post here for clarity(also as it's on AMD's forums so that post has the shelflife of a Duff Beer in front of Homer Simpson, and will likely disappear soon), This is the first AMD forum user ("It happened to me") type post I've heard of. And as @lolfail9001 said, who knows if true or not. I give it an Internet 50% chance... eh.

This scares the crap out of me because I am on the Asrock 990FX Extreem 4, only one step up from that one. I am also using a riser ribbon, is that a bad idea??
mine comes in a week
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post #334 of 1129
If you read comments there also one another user reporting that it killed off all 3 of his mobo pcie slots on different mobo, no clue how legit that is either though.
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post #335 of 1129
Quote:
Originally Posted by jellybeans69 View Post

If you read comments there also one another user reporting that it killed off all 3 of his mobo pcie slots on different mobo, no clue how legit that is either though.
If this is true, it might be the start of AMD's worst nightmare.
    
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post #336 of 1129
Meh, this is not new to GPU manufactures. I've got Matrox cards at work that pull almost double from the PCI-X slot. It's not the PCI-E slot is going to spontaneously burst into flames. Many modified BIOS setups allow for more than 75W from the PCI-E slot.
post #337 of 1129
hope you guys realize reviewers tested this card on their shiny top of the line $300-600 mobos, while avarage joe for who this GPU is intended will pair it with under $100 budget mobo. chances of something going wrong increases with cheaper motherboards!
post #338 of 1129
Quote:
Originally Posted by Glottis View Post

hope you guys realize reviewers tested this card on their shiny top of the line $300-600 mobos, while avarage joe for who this GPU is intended will pair it with under $100 budget mobo. chances of something going wrong increases with cheaper motherboards!
Captain, you have my thanks!
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post #339 of 1129
Quote:
Originally Posted by Glottis View Post

hope you guys realize reviewers tested this card on their shiny top of the line $300-600 mobos, while avarage joe for who this GPU is intended will pair it with under $100 budget mobo. chances of something going wrong increases with cheaper motherboards!

Then you do not overclock!
Overclocking, as easy it is made to look, is not adn you should know how to start. Simply cranking up the Mhz is asking for problem.

Cheap motherboards are not for that task!
post #340 of 1129
Quote:
Originally Posted by Glottis View Post

hope you guys realize reviewers tested this card on their shiny top of the line $300-600 mobos, while avarage joe for who this GPU is intended will pair it with under $100 budget mobo. chances of something going wrong increases with cheaper motherboards!

the user on the other thread reported his ASRock 970 Extreme4 slot breaking and I have the FX990 Extreme4. At the time, it was the best AM3+ mobo Asrock offered so I am wondering if I am safe...
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