Hello everyone,
I just purchased the Supermicro X11SSL-F motherboard and two out of the three PCI-E slots don't work. The slot configuration goes as follows:
PCH - SLOT 5 - PCI-E 3.0 x4 (in x8 slot)
CPU - SLOT 6 - PCI-E 3.0 x8 (in x16 slot)
CPU - SLOT 7 - PCI-E 3.0 x8
Only the one I selected...