Powering Sapphire Nitro Radeon R9 Fury

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cheapshot71

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Jan 19, 2017
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My system won't post with sapphire nitro radeon r9 fury installed.

My PSU is a Rosewill Capstone G750. I'm using 2 6+2 connectors to power the gpu. The 6+2 connectors are on separate cables. The fans spin and a light is illuminated on the gpu nitro? button. If i replace the gpu with and older XFX radeon card, the system boots normally. I RMA'd the first card I got. So this is a second card/attempt.

Any help is greatly appreciated.
 
Solution
clutchc


A good quality 750W PSU is plenty for the R9-Fury. The R9 Fury should run fine on a 650W PSU with 2 x 6+2 pin connectors. http://www.realhardtechx.com/index_archivos/Page362.htm
And the Rosewill Capstone is a decent PSU. It gets passing marks from JohnyGuru...
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clutchc

clutchc

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I can think of no reason that the card should not work if your description is correct. I presume you do not have the monitor plugged into the board's video instead of the card's.
 
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cheapshot71

Commendable
Jan 19, 2017
5
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1,510
No, i don't have cable plugged into the board. Basically, when I have the 6+2's plugged into the card the machine wont post.

Do you think it could be the bios?

I just find it hard to believe a second card would be bad or the psu. I have an older XFX R7890 that works fine when i install it in the machine.
 
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cheapshot71

Commendable
Jan 19, 2017
5
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1,510


A XFX Core Edition Radeon HD 7850.

Beginning to wonder if my psu is the problem. Even though a smaller psu "could" power the card, Sapphire says, on the box, that the suggested 750w may not be enough for some systems. Thoughts?
 
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clutchc

clutchc

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Apr 22, 2009
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A good quality 750W PSU is plenty for the R9-Fury. The R9 Fury should run fine on a 650W PSU with 2 x 6+2 pin connectors. http://www.realhardtechx.com/index_archivos/Page362.htm
And the Rosewill Capstone is a decent PSU. It gets passing marks from JohnyGuru: http://www.jonnyguru.com/modules.php?name=NDReviews&op=Story&reid=464
And he's picky.

More surprising is the fact that the similar-era HD 7850 works while the Fury does not. The only difference I can think of between cards (besides performance) is the 7850 used a legacy BIOS while the Fury uses a more modern UEFI BIOS. But your motherboard should be recent enough that even that shouldn't be an issue. But that's the only thing I'm left with at present. Especially since you said the 7850 works fine.

I might add... I've been rebuilding several machines recently that have older boards like yours and similar Intel ones from the same era. The newer AMD cards don't play very nice with them. But if I stick a modern Nvidia card in, they run fine.
 
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Solution
C

cheapshot71

Commendable
Jan 19, 2017
5
0
1,510


I updated to the latest BIOS and my system now posts and powers the graphics card. Big props to you clutchc for helping me out on this one. I was closed to RMAing the PSU but like you said there wasn't any reason why the psu and graphics card shouldn't work. These older mobos and newer AMD cards don't like to play. Big Thanks, clutchc!
 
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