Installing an Option Board
1. Power off the system and remove the left side panel as described on page 4-3.
2. Remove and save the expansion slot retainer bar by pressing down on its top snap
fastener and pulling the bar out.
3. Remove and save the expansion slot cover by sliding it straight back and out of the
slot.
4-14 Upgrading Your System
Figure 4-7 Removing the Expansion Slot Retainer Bar