PCIe2 Riser Location and Differences
The motherboard connector for PCIe2 riser 0 is different than the connector used by PCIe2 risers 1 and 2. Do not attempt to install a PCIe2 riser in a different location on the motherboard.
Figure 12 PCIe2 Riser Locations and Connector Detail
Figure Legend
1 PCIe2 riser 0 – possesses a different motherboard connector than PCIe2 risers 1 and 2
2PCIe2 riser 1
3PCIe2 riser 2