Asus Z9PE-D8, Enable pci-e 3.0?

[DDWill]

Installed 2x Asus GTX Titans yesterday. All working fine, carried out stress tests etc. Working perfectly.

The system is for 3D apps and production rendering, but I do occasionally use it for gaming.

Only one concern is that GPU-Z indicates that both cards are running pci-e 2.0 x 16 2.0 when at full load.

Monitored GPU-Z when both cards are running at 99% in iray, still indicating pci-e 2.0.

And ran the built in stress test on full screen in GPU-Z and still shows only pci-e 2.0 x16 2.0.

Cant see anything in the bios about enabling pci-e 3.0 or in Nvidia control panel.

Using driver 320.49.

All the hardware is pci-e 3.0 ready. Link state management is disabled in O/S.

2x Xeon E5-2687w
Asus Z9PE-D8 MoBo (latest Bios 5103)
2x Asus GTX Titan.

Am I missing anything in Bios setting, board jumpers etc?

Thanks.

 

[lonewolf7]

Make sure you are running the GPU's on PCI-E 3.0 x 16 slots.

Note : This motherboard is ready to support PCIe 3.0 SPEC. Functions will be available when using PCIe 3.0-compliant devices. Please refer to www.asus.com for updated details.

 

[DDWill]

Make sure you are running the GPU's on PCI-E 3.0 x 16 slots.

Note : This motherboard is ready to support PCIe 3.0 SPEC. Functions will be available when using PCIe 3.0-compliant devices. Please refer to www.asus.com for updated details.

All 7 slots of the Z9PE-D8 are Gen 3.0, the only difference is some are x16/x8 and some are only x8.

1,3,5,7 x16/x8
2,4,6 x8

CPU 1 controls slots 1,2,3,4 CPU 2 slots 5,6,7

All the components mentioned above are pci-e 3.0 compliant.

I build my own workstations occasionally and am an electronics technical engineers, so the hardware side of things I understand very well. My first Gen 3 cards though, but pretty sure this is a bios/driver or maybe registry problem.

Thanks anyway lonewolf7 🙂