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SLI question

cHk4

cHk4

cHk4

Soldato
Joined
21 Jun 2005
Posts
9,232
Well I am thinking about giving my brother my old card, but my card is different than his. They are both 7800 cards but his is a XFX and mine is a BFG, will this work? If so do I just plug it in the PCI and away we go? Or do I need to find the SLI thing that came with my card to connect them together at the top? Sorry a very novice question.

Thanks
 
if the board is capble and you have the bridge

give it a go I think the old onces needed to be exactly the same but still give it go.
 
Nvida did change it I heard so its possible with two cards that have the same chip, not sure if that is the same for LGA775 780/90 or earlier or not :\ sorry
 
cHk4 said:
Thanks mate, just dont want to blow my brothers PC up lol
Click to expand...

You wouldn't cause any damage to the PC.

The best thing for you to do is just give it a try. You have nothing to lose and 7800GTX SLi to gain.
 
They will both be fine mate.

I have a 7600GT setup thats got a PNY and a XFX and its fine.

As long as they are approx, they dont have to be identical at all.

In fact, the 7600GT dont even look anything like each other but they run SLI great.
 
yeah you got nothing to lose. if it works it works if it don't it won't casue any harm anyway
 
AMG said:
if the board is capble and you have the bridge

give it a go I think the old onces needed to be exactly the same but still give it go.
Click to expand...

This used to be the case but any driver from the last few years you can use any brands toghether, providing they are both 7800GT or 7800GTX. A 7800GT wont work with a 7800GTX tho
 
Ok didn't want to start a new thread, but last night I put my GTX 7800 in my brothers machine with his GTX 7800. Booted up Windows and it picked up another graphics card so installed it. The SLI bridge thing is on them both, however when I go to the nvidia control panel there is no options for SLI, I followed some instructions on going in to 3D performance and enable SLI will be in there but it was not. I also downloaded the latest nvidia drivers for the 7 series.

Thanks
 
Last edited:
MeatLoaf said:
What mobo does he have?
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His mobo is a SLI mother board, its only a 8bit PCI-E one though but does have two PCI-E slots and has the Asus SLI chip patent pending thing and the motherboard also comes with the SLI bridge. I did check the BIOS and the SLI was set to auto so I set it to SLI.

Thinking about it, I put in 4 gig of ram last night and he only has a 32 bit OS, do you think this could be causing the issue? Guess trial and error could try that tonight, but a bit confused as to why its not working :(

Thanks both though for you answers/question
 
anything in BIOS regarding it, or jumpers on the mobo, in which case you need to get the manul for the mobo.

becasue its quite old its possible it uses jumpers
 
doesnt it have a chip inbetween the two PCI-E 16x slots that you have to turn around for it to run in sli mode?
Hang on, ill go ask my mate who used to run 7800gtx sli on that mobo
 
yep, turn the chip inbetween the two slots around the other way and itll enable sli mode on the sockets.

He also asks, has the mobo's north bridge fan failed yet at any time? If not, be ready :)
 
The latest drivers too... Both for the NForce Chipset and the GFX.

I have one of those boards.

Was my no1 SLI board but unfortunately events have made me move it to No2 ( Size of coolers on the 7600GT's is too much but the 7800GTX's are using thin jobbies and so I have used them in the Foxconn ( As the A8N gasp is 2 slots but the Foxconn is only 2 )

But anyway, SLI Card to correct way, there is also a SLI setting in the BIOS too and the Mobo and then teh GFX Drivers and it WILL be SLI capable.
 
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