Riser card 3 (x8/x8 Gen 5 PCIe) signal cable connectionFigure 285. Cable routing when two processors installedFigure 286. Cable routing when one processor installedFromToFromTo1MCIO 1 on the riser card1Onboard: PCIe 61MCIO 1 on the riser card1Onboard: PCIe 92MCIO 3 on the riser card2Onboard: PCIe 10, 112MCIO 3 on the riser card2Onboard: PCIe 10, 11304ThinkSystem SR665 V3 User Guide