hashcat Forum

Full Version: 4 x 7990 trouble
You're currently viewing a stripped down version of our content. View the full version with proper formatting.
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