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Title: Asus Crosshair IV Formula 4GPU problem Post by: surivrox on June 17, 2013, 12:34:32 PM Hi all,
I have Asus Crosshair IV Formula motherboard and 3 Radone HD5830's connected to ports 1,2 and 4, the port nr 3 was empty. I bought 1 more 5830 and connected it to slot nr 3... Right after that strange things started happen. In all setups all cards fans are working, even if I don't plug GPU power so all PCIe slots are powered. * When I have 4 cards plugged in, only the cards in slots 1 and 2 are working (are visible in system) * When I have 3 cards plugged in on slots 1, 2 and 3 all works ok * When I have 3 cards plugged in on slots 1, 2 and 4, only the cards in slots 1 and 2 are working * When I have 1 card plugged in on slot 4 windows starts, but there are no vision on connected monitor and after connecting to it by remote desktop, hardware manager don't shows any video cards Any idea what's wrong? Title: Re: Asus Crosshair IV Formula 4GPU problem Post by: surivrox on June 19, 2013, 06:25:31 AM I was thinking about this, can the problem be in memory amount? I have only 2GB RAM installed.
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