Re: Asrock Z77 Pro3 and Sapphire HD 7850 OC PCI-E 3.0 slot problem - no signal/output
Yes, the second slot (PCIE2) on this motherboard Asrock Z77 Pro3 is the only one supporting PCI-E 3.0.
Originally Posted by wazza300
BIOS has only the following settings for primary display: onboard, PCI Express, PCI. I am using PCI Express setting now. Tried also PCI.
MORE INFO: if changed BIOS setting "PCIE2 Link Speed" from "Auto" to "Gen1", and the 8750 card starts working in this PCI-E 3.0 slot, but is working only in the PCI-E 1.1 x16 mode (checked using GPU-Z tool).
Asrock Z77 Pro3 (P1.30), i5 3570K, 2 x 4 GB DDR3 1600 MHz Corsair Vengeance LP, Sapphire HD 4850 OC 2GB DDR5, Samsung 830 SSD 128GB SATA3, Seagate Constellation 1TB SATA3, Corsair TX650 V2