Lenovo ThinkSystem SR950 Setup Manual page 313

1. Take a socket cover from the CPU socket assembly on the new system board and orient it correctly
above the CPU socket assembly on the removed system board.
2. Gently press down the socket cover legs to the CPU socket assembly, pressing on the edges will avoid
damage to the socket pins. You might hear a click on the socket cover when it is securely attached.
3. Make sure that the socket cover is securely attached to the CPU socket assembly.
Remove a system board
Remove a system board by disconnecting the cables inside the compute tray, pressing the release clips on
the compute system board, and sliding it out of the compute tray.
S002
CAUTION:
The power-control button on the device and the power switch on the power supply do not turn off the
electrical current supplied to the device. The device also might have more than one power cord. To
remove all electrical current from the device, ensure that all power cords are disconnected from the
power source.
"
CAUTION:
Make sure that all server power cords are disconnected from their power sources before performing
this procedure.
Before you remove the system board:
1. Remove the front cover. See "Remove the front cover" on page 322.
2. Remove compute tray where the system board is installed. See "Remove a compute tray" on page 305.
3. If you are removing the lower system board in a compute tray, first remove the upper system board or
filler from the compute tray to access connectors on the lower system board. See the steps below or
"Remove a system board filler" on page 312.
Complete the following steps to remove the compute system board:
Watch the procedure. A video of the replacement process is available:
• YouTube
•
Youku
" on page 56 " " on page 254
Appendix B. Component reference
309