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+--- Thread: 4 x 7990 trouble (/thread-3333.html)
4 x 7990 trouble - raist2 - 04-29-2014
Hello, I'm having troubles with my motherboard when adding the fourth hd 7990.
I'm using an old asus P6T7 WS Supercomputing with 7 PCI-E slots and all goes fine with three 7990; when I add the fourth the computer stay black.
It should not be a power trouble because i'm using two different PSU (1kw + 1,5kw), I also update the BIOS to the latest release.
It is not even a trouble of the fourth 7990, I've two more and changing the order do nothing.
Do you guys have any idea?
Also, do anyone know a working motherboard in a 4x7990 configuration? (tyan rack apart).
Regards,
Raist