Toshiba Magnia 3310 - Manual (Page 106)

Installing and Removing Hardware
Memory module 88
14 If expansion cards have been removed, install them according
to the procedure.
See the steps 4 and 5 in “Installing the expansion card” on page
132.
15 Insert the exhaust fan duct and attach it in the server by sliding
it toward the front of the server.
NOTE: When a 3.06 GHz CPU module is mounted, Steps 15
and 16 (installing the exhaust fan duct) are not required.
Attaching the exhaust fan duct
16 Lock the exhaust fan duct by turning the screw clockwise.
Locking the exhaust fan duct