7.3.3.5 Installing the SAS expander board
Figure 52: Installing the assembled expander holder (A)
Ê Insert the connector card into the three connectors of the HDD backplane 
(see circles).
I Lift up the expander holder and take care of the stand-off in the 
chassis.
Figure 53: Installing the expander holder (B)
Ê Fasten the expander holder with one screw (see circle).