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Computer crashes playing games after adding 2nd R9 290

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  • Computers
  • Games
  • Graphics
Last response: in Graphics & Displays
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July 31, 2014 10:50:11 PM

I have an R9 290 and recently added a second, but I have an issue; when I enter games, my PC crashes.

They both have the same drivers installed, they are both XFX (difference coolers though).

However, something strange I have noticed is the shader count...

HERE: http:// is a link to a GPU screenshot of both cards.

My PC works normally when NOT playing games, it works fine when I start up Arma 3, but when I actually start playing the game is when it crashes.

Anyone know what the issue is?

More about : computer crashes playing games adding 2nd 290

July 31, 2014 10:59:02 PM

see the Bus Interface at 2.0... that means your motherboard is not recognizing that card as a 3.0 - is your BIOS up to date?
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July 31, 2014 11:13:27 PM

Also what PSU do you have?
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July 31, 2014 11:16:56 PM

sizzling said:
Also what PSU do you have?


Just upgraded my PSU today to a Full Mod EVGA 750G2.
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July 31, 2014 11:17:44 PM

dingo07 said:
see the Bus Interface at 2.0... that means your motherboard is not recognizing that card as a 3.0 - is your BIOS up to date?


I didn't mean to select your answer as best, but how do I check whether it is up-to-date or not?
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July 31, 2014 11:18:37 PM

From that screenshot, I would say that you have one 290 and one 290X. Technically this should work.

That said, can you give us your system details. Especially your PSU model and manufacturer. Running two 290(x) is very power demanding and needs enough power to run. The supply should also be good quality.
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July 31, 2014 11:33:35 PM

techgeek said:
From that screenshot, I would say that you have one 290 and one 290X. Technically this should work.

That said, can you give us your system details. Especially your PSU model and manufacturer. Running two 290(x) is very power demanding and needs enough power to run. The supply should also be good quality.


I have the boxes for both and they both say R9 290, but software only says R9 290 Series.

Here are my specs:
CPU: i7-3770K
Motherboard: ASUS Z77 Sabertooth
RAM: Corsair Vengeance 16GB-DDR3 16GB (2x8)
PSU: EVGA 750G2
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July 31, 2014 11:52:59 PM

I don't think 750w is enough for crossfire 290's
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July 31, 2014 11:57:00 PM

sizzling said:
I don't think 750w is enough for crossfire 290's


It is, I did a LOT of research before choosing such an average wattage PSU.
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August 1, 2014 1:07:47 AM

sizzling said:
I don't think 750w is enough for crossfire 290's


After re-reading what I said, I did not mean that in a rude way at all though it seems like it came off like so. Sorry :p 
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August 1, 2014 1:24:53 AM

kaio37k said:
sizzling said:
I don't think 750w is enough for crossfire 290's


It is, I did a LOT of research before choosing such an average wattage PSU.


kaio37k said:
sizzling said:
I don't think 750w is enough for crossfire 290's


After re-reading what I said, I did not mean that in a rude way at all though it seems like it came off like so. Sorry :p 


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August 1, 2014 4:09:20 AM

kaio37k said:
sizzling said:
I don't think 750w is enough for crossfire 290's


After re-reading what I said, I did not mean that in a rude way at all though it seems like it came off like so. Sorry :p 


Not sure what happened to my last post. I have done the same many times.

You could well be right its ok, I was basing my comment on when I did a little research for SLi 780's which seemed to point to 800w minimum and I knew the 290 takes more power than the 780

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August 1, 2014 5:44:19 AM

kaio37k said:
techgeek said:
From that screenshot, I would say that you have one 290 and one 290X. Technically this should work.

That said, can you give us your system details. Especially your PSU model and manufacturer. Running two 290(x) is very power demanding and needs enough power to run. The supply should also be good quality.


I have the boxes for both and they both say R9 290, but software only says R9 290 Series.

Here are my specs:
CPU: i7-3770K
Motherboard: ASUS Z77 Sabertooth
RAM: Corsair Vengeance 16GB-DDR3 16GB (2x8)
PSU: EVGA 750G2


Water cooling? Overclocked? How many fans / what size? Number of drives including ODD and SSD?

I just used what you gave me and made some estimates on the rest, and I come up with 673W. That is close. If you are overclocking anything and / or you have water cooling (including AiO), and / or you have more drives than I guessed at, you could be right at the limit of your supply.
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August 1, 2014 5:54:14 AM

Also from your screenshots, there is something odd about the first one that has the shaders = 2816. First off that number of shaders is what the 290X has. Also weird is that the memory bus width is 32 bit, this should be 512 bit whether it's actually a 290 or 290X. In fact I don't think AMD's lowest SKU'd cards in the 200 series use a bus narrower than 128 bit.

Since both cards are from XFX, I would consult them. It's possible that either that card has the wrong firmware flashed to it or it's corrupted as GPU-Z reads this information from the firmware. Maybe a firmware flash will fix this for you, or it maybe RMA time.

One thing you could check is run that card by itself and see if GPU-Z reports it correctly. Its unlikely, but it could be a bug with CrossFire.
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August 1, 2014 3:26:24 PM

techgeek said:
Also from your screenshots, there is something odd about the first one that has the shaders = 2816. First off that number of shaders is what the 290X has. Also weird is that the memory bus width is 32 bit, this should be 512 bit whether it's actually a 290 or 290X. In fact I don't think AMD's lowest SKU'd cards in the 200 series use a bus narrower than 128 bit.

Since both cards are from XFX, I would consult them. It's possible that either that card has the wrong firmware flashed to it or it's corrupted as GPU-Z reads this information from the firmware. Maybe a firmware flash will fix this for you, or it maybe RMA time.

One thing you could check is run that card by itself and see if GPU-Z reports it correctly. Its unlikely, but it could be a bug with CrossFire.


Ok, well here's a bit of a big problem/breakthrough... I can't check ANY of the stock coolers specs in GPU-Z ,CPU-Z, afterburner or in game because it crashes my PC now (this is with the aftermarket XFX OUT of my system).
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August 1, 2014 3:37:23 PM

techgeek said:
kaio37k said:
techgeek said:
From that screenshot, I would say that you have one 290 and one 290X. Technically this should work.

That said, can you give us your system details. Especially your PSU model and manufacturer. Running two 290(x) is very power demanding and needs enough power to run. The supply should also be good quality.


I have the boxes for both and they both say R9 290, but software only says R9 290 Series.

Here are my specs:
CPU: i7-3770K
Motherboard: ASUS Z77 Sabertooth
RAM: Corsair Vengeance 16GB-DDR3 16GB (2x8)
PSU: EVGA 750G2


Water cooling? Overclocked? How many fans / what size? Number of drives including ODD and SSD?

I just used what you gave me and made some estimates on the rest, and I come up with 673W. That is close. If you are overclocking anything and / or you have water cooling (including AiO), and / or you have more drives than I guessed at, you could be right at the limit of your supply.


H80, not OC'ed 2 80mm fans, no OD's, 2 SSD, 3 HDD's.

After uninstalling the device in device manager and checking GPU-Z with it UNINSTALLED I got the same figures as the aftermarket 290 (2560 Shaders & 512 Bit)
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