Procedure
Step 1.  Prepare your server. 
a.  Remove the top cover. See “Remove the top cover” on page 225.
b.  Remove the PCIe riser. See “Remove a PCIe riser” on page 183 .
Step 2.  Remove the serial port module. 
a. 
Remove the serial port cable from the cable clip.
b. 
Open the retention latch on the PCIe riser.
c. 
Unfasten the screw that secures the serial port module to the PCIe riser.
d. 
Remove the serial port module from the PCIe riser. 
Figure 152. Removing the serial port module
After you finish 
•  Install a replacement unit. See “Install the serial port module” on page 213.
•  If you are instructed to return the component or optional device, follow all packaging instructions, and use 
any packaging materials for shipping that are supplied to you.
Install the serial port module
Follow instructions in this section to install the serial port module.
About this task
Attention: 
•  Read “Installation Guidelines” on page 121 and “Safety inspection checklist” on page 122 to ensure that 
you work safely.
Watch the procedure. A video of the installation and removal process is available: 
Chapter 4. Hardware replacement procedures 213