Step 2.  Install the PCIe riser. 
Attention: Make sure the serial port cable is routed through the cable clip inside the PCIe riser.
a. 
Align the guide hole on the PCIe riser to the guide post on system board, and insert the PCIe 
riser into the PCIe slots on system board.
b. 
Fasten the thumbscrew to secure the PCIe riser.
c. 
Connect serial port cable to serial port connector on system board.  
Figure 132. Installing PCIe riser 1 installed with serial port
Install PCIe riser 2 installed with serial port
Procedure
Step 1.  1. Install the PCIe riser. 
Attention: Make sure the serial port cable is routed through the cable clip inside the PCIe riser.
a. 
Connect serial port cable to serial port connector on system board.
b. 
Align the guide hole on the PCIe riser to the guide post on system board, and insert the PCIe 
riser into the PCIe slots on system board.
c. 
Fasten the thumbscrew to secure the PCIe riser. 
Chapter 4. Hardware replacement procedures 191