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 Post subject: SLi not being detected
PostPosted: Mon Jan 21, 2013 8:17 pm 
8086
8086
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Joined: Sun Jul 18, 2010 7:06 pm
Posts: 42
I have two GeForce GTX 550ti of different brands (one Evga and one MSI) with the SLI bridge connected. I got some conflicting information whether having different amounts of VRAM cause SLI to work or not. The Evga GPU has 2GBs while the MSI only has 1GB. If having different amounts of VRAM is not the problem, then what is?
More info:
I saw in the info box in the nvidia control panel that the two BIOS versions are different. My computer sees both of the GPUs and so does Nvidia control panel.
Specs are
Core i5 3570k
ASUS P8Z77-V LK
500watt Thermal take PSU


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 Post subject: Re: SLi not being detected
PostPosted: Mon Jan 21, 2013 10:20 pm 
Smithfield
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Joined: Sun Jun 18, 2006 7:37 pm
Posts: 5241
NVIDIA's FAQ is outdated, not to mention they talk about using software that hasn't had an update in over 5 years and is unofficially supported, so it was sketch to begin with.

So the answer is: you can't do SLI with differing amounts of memory. They dropped this in version 100.xx according to some people.


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 Post subject: Re: SLi not being detected
PostPosted: Sun Jan 27, 2013 12:32 pm 
Team Member
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Generally you cannot use SLI with different amounts of VRAM, my guess is that you have the EVGA set as the primary? Try swapping the card so that the MSI is the primary, it might work that way.


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