2. To locate the DIMM connectors. See “Identifying parts on the system board” onpage 20 .3. Open the retaining clips.4. Make sure the notches in the DIMM align with the tabs on the connector. Pushor insert the DIMM straight down into the connector until the retaining clipsclose.NotchesWhat to do next:v To work with another option, go to the appropriate section.v To complete the installation, go to “Replacing the cover and connecting thecables” on page 26.Installing adaptersThis section provides information and instructions for installing and removingadapters. Your computer has three expansion slots for low profile peripheralcomponent interconnect (PCI) adapters.To install an adapter:1. Remove the cover. See “Removing the cover” on page 19.22 User Guide