Lenovo THINKSERVER 3797 - Manual (Page 210)

v Tape-enabled server model:
1. Press down on the assembly release latch 2 and lift up on the tab to
release the SAS controller assembly, which includes the SAS riser card 1 ,
from the system board.
2. Lift the front and back edges of the assembly to remove the assembly from
the server.
Installing the SAS riser card and controller assembly
To install the SAS riser-card and controller assembly in the server, complete the
steps for the applicable server model.
v 12-drive-capable server model:
1 SAS controller front retention bracket
2 SAS riser card
3 SAS controller
4 Alignment post
1. Place the front end of the SAS controller in the front retention bracket and
align the SAS riser card with the SAS riser-card connector on the system
board.
202 ThinkServer RD220 Types 3729, 3779, 3797, and 3798: Hardware Maintenance Manual