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Windows 7: Running 2 GPUs - Possible?

31 Jan 2014   #1
BananaMann

Windows 7
 
 
Running 2 GPUs - Possible?

Friends issue:


Hello!

I bought an asus r9 270x to replace my old Connect 3d ati radeon 4890. My problem is I have two monitors that can be connected via vga only and the 270x has only one dvi port that can be used with a vga-to-dvi adapter. So, I have connected one monitor but I don't know what to do with the other one. As a result, I thought I should buy a vga-to-displayport adapter, but before doing this, I believed I should try to use both of them, not on crossfire.

What I am facing now is I have two cards installed on the pc, both of them ready to work with their drivers installed but they can't perform at the same time. Right now I am using the r9 270x and when I try to install the drivers of 4890, the device manager states that r9 270x has a problem so the os disabled it. If I install the drivers of r9 270x again, same thing happens to the 4890.

What can I do so they can work together?


My System SpecsSystem Spec
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31 Jan 2014   #2
Britton30
Microsoft MVP

Windows 7 Ultimate X64 SP1
 
 

Hi there,

All of the r9-270's I see have 2 DVI ports, why can't a DVI/VGA adapter be used on both?

I may be wrong, but I think two cards have to be setup with Crossfire/SLI to use both.
My System SpecsSystem Spec
31 Jan 2014   #3
Devlin1888

Windows 7 Home Premium 64Bit
 
 

If im correct in saying you can only pair two of the same cards?
My System SpecsSystem Spec
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31 Jan 2014   #4
Britton30
Microsoft MVP

Windows 7 Ultimate X64 SP1
 
 

Quote   Quote: Originally Posted by Devlin1888 View Post
If im correct in saying you can only pair two of the same cards?
No, just that XFire is need to make them both operate.
My System SpecsSystem Spec
31 Jan 2014   #5
Devlin1888

Windows 7 Home Premium 64Bit
 
 

AH okay, i thought they had to be the same with the exception of APU+GPU , learn something new everyday eh, so simply using the crossfire bridge would enable it to run fine?
My System SpecsSystem Spec
31 Jan 2014   #6
Britton30
Microsoft MVP

Windows 7 Ultimate X64 SP1
 
 

Quote   Quote: Originally Posted by Britton30 View Post
Hi there,

All of the r9-270's I see have 2 DVI ports, why can't a DVI/VGA adapter be used on both?

I may be wrong, but I think two cards have to be setup with Crossfire/SLI to use both.
Quote   Quote: Originally Posted by Devlin1888 View Post
AH okay, i thought they had to be the same with the exception of APU+GPU , learn something new everyday eh, so simply using the crossfire bridge would enable it to run fine?
I think there is software to install too, I've never used multiple GPUs.
My System SpecsSystem Spec
31 Jan 2014   #7
Devlin1888

Windows 7 Home Premium 64Bit
 
 

Im running dual graphics apu+gpu, all thats required is the usual catalyst control centre and obviously the drivers
My System SpecsSystem Spec
01 Feb 2014   #8
BananaMann

Windows 7
 
 

Sorry, what should I do again? Not sure if those posts were aimed at me.

Thanks
My System SpecsSystem Spec
01 Feb 2014   #9
Jezuz

Windows 7 Ultimate x64
 
 

You need to setup your Video cards in CrossfireX/SLI to make sure you can use them both.(cards should be the same model)
Then install the drivers and Catalyst Control Centre from AMD.
Good Luck!
My System SpecsSystem Spec
01 Feb 2014   #10
Ivan the SoSo

windows 7 ultimate 64 bit
 
 

You can't crossfire a 4890 with a R9 270X.....
My System SpecsSystem Spec
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 Running 2 GPUs - Possible?




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