122 Installing System ComponentsFigure 3-18. Installing or Removing Expansion-Card Riser 2Installing Expansion-Card Riser 21 Align the expansion-card riser with the riser guide pins on the systemboard and the slot on the chassis. See Figure 3-17.2 Lower the expansion-card riser into place until the expansion-card riserconnector is fully seated.3 If applicable, reinstall the expansion card(s). See "Installing an ExpansionCard" on page 116.1 expansion-card riser 2 2 expansion-card slot 53 slot on chassis 4 riser 2 connector on system board5 riser guide pins (2) 6 expansion-card slot 6135624