Lenovo ThinkSystem SR550 Maintenance Manual page 75

Step 1. If you are removing rack latches on the server models with twelve 3.5-inch hot-swap drives,
disconnect the VGA cable , the front USB cable and the operator-information-panel cable , or
1 2 3
all cables from the system board.
Figure 39. Cable connection for the VGA connector, the front USB connectors, and the operator information
panel on rack latches
.
Chapter 3 Hardware replacement procedures
67