Figure 119. System-board screws removal sequence
Step 4.  Remove the system board from the chassis. 
a. 
Slide the system board toward the front of the server to release the serial port connector 
from the chassis.
b. 
Gently grasp the system board by the edges; then, tilt the system board, and remove it from 
the chassis. 
Figure 120. Removing the system board from the chassis
After you finish 
1.  Install a new system board, see 
“Install the system board (trained technician only)” on page 150.
2.  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 system board (trained technician only)
Follow this procedure to install the system board. This procedure must be executed by a trained technician.
150
ThinkSystem ST50 V2 Maintenance Manual