3. Install the DIMM straight down into the connector until the retaining clipsclose. Make sure the notches in the DIMM align with the tabs on theconnector.NotchesWhat to do next:v Replace the AGP adapter and adapter slot cover latch.v To work with another option, go to the appropriate section.v To complete the installation, go to “Completing the installation” onpage 65.Installing adaptersThis section provides information and instructions for installing and removingadapters.Adapter slotsThe small form factor desktop model has two expansion slots used to connectadapters to the peripheral component interconnect (PCI) bus. You can install anadapter up to 174.6 mm (6.875 inches) long in the small form factor desktopmodel.The desktop model has three expansion slots used to connect adapters to theperipheral component interconnect (PCI) bus and one slot used to connect anaccelerated graphics port (AGP) adapter. You can install an adapter up to 330mm (13 inches) long in the desktop model.All adapters supported by your computer use Plug and Play technology thatenables the computer to automatically configure the adapter. For moreinformation, see “Updating the computer configuration” on page 66.52 User Guide