- Sep 23, 2017
- 3
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- 510
So I have in my possession 2 gtx 660s, but when I put both of the cards in the board the sli button will not highlight allowing me to sli the cards. The Motherboard is a Biostar X370GT5. I do know the top pcie slot is 3.0 and the bottom is 2.0. The odd thing is that when i put the cards in one way only one card shows up, but when I swap the cards the bottom card is tagged as "gtx 660 (1)" and the top is "gtx 660 (2)" this makes no sense to me and I have never seen this before. I just wanted the sli the older cards since I had them handy. Any advice would be appreciated.
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