Gateway ALR 9250R User Manual page 65

Orient the SEC. cartridge so that the heat sink faces away from the
10.
center of the system board.
11. With the tabs at the top of the SEC. cartridge completely open (pulled
outward, away from the center of the cartridge), slide the cartridge into
the guide rails of the retention module. The triangular ends of the tabs
fit into the entrance to the guide rails. See the illustration Installing a
Processor below.
Installing a Processor
Chapter 3: Components 51