Figure 189. Installing the riser assembly
Step 5. Connect the cable of the serial port module to the serial-port-module connector on the system
board assembly. For the location of the serial-port-module connector, refer to
“System-board-
assembly connectors” on page 36
.
After you finish
1. Complete the parts replacement. See
“Complete the parts replacement” on page 246.
2. To enable the serial port module, do one of the followings according to the installed operating system:
• For Linux operating system:
Open the ipmitool and enter the following command to disable the Serial over LAN (SOL) feature:
-I lanplus -H IP -U USERID -P PASSW0RD sol deactivate
• For Microsoft Windows operating system:
a. Open the ipmitool and enter the following command to disable the SOL feature:
-I lanplus -H IP -U USERID -P PASSW0RD sol deactivate
b. Open Windows PowerShell and enter the following command to disable the Emergency
Management Services (EMS) feature:
Bcdedit /ems no
c. Restart the server to ensure that the EMS setting takes effect.
System board assembly replacement (trained technicians only)
Follow instructions in this section to remove and install the system board assembly.
Important: This task must be operated by trained technicians that are certified by Lenovo Service. Do no
attempt to remove or install it without proper training and qualification.
Chapter 5. Hardware replacement procedures 221
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