ThinkSystem 2U x8/x8 PCIe G4 Riser3 option kit
This topic provides important information about ThinkSystem 2U x8/x8 PCIe G4 Riser3 option kit. The option 
package contains the following items:
Description
Qty
From To
1  x8/x8 PCIe Riser3 option kit
1 NA NA
2  Power cable 1
Riser3 Pwr (MB) Power (Riser3)
3  Sideband for Riser3, cable
1
Sideband (MB) NA
4  PCIe G4, signal cable
1
PCIe1 (MB) and PCIe2 
(MB)
MCIO#1 (Riser3)
5  PCIe G4, signal cable
1
PCIe7 (MB) MCIO#2 (Riser3)
For information about installing the option product, refer to Server hardware setup or Internal cable routing 
chapter in the Setup Guide, or go to: 
https://thinksystem.lenovofiles.com/help/topic/7D2W/server_setup.html or 
https://thinksystem.lenovofiles.com/help/topic/7D2W/internal_cable_routing.html.
To get the latest technical information and download device drivers and updates, go to:  
https://datacentersupport.lenovo.com/us/en/products/servers/thinksystem/sr665/7d2w/downloads/driver-list.
Chapter 1 System Options 51