Installing a DIMMUse this information to install a DIMM.About this taskNote: The first DIMM connectors in every channel are white-colored, while thesecond DIMM connectors in every channel are black-colored.Procedure1. Read the safety information that begins on page “Safety” on page vii and“Installation guidelines” on page 32.2. Turn off the server (see “Turning off the server” on page 22) and all attachedperipheral devices. Disconnect all power cords; then, disconnect all externalcables as necessary to replace the device.3. Remove the server top cover (see “Removing the server top cover” on page35).4. Rotate the hot-swap rear hard disk drive cage up (see “Rotating the hot-swaprear hard disk drive cage up” on page 365. Remove the PCI riser-card assembly (see “Removing a PCI riser-cardassembly” on page 37.6. Remove the air baffle (see “Removing the air baffle” on page 39.7. Carefully flip open the retaining clip on each end of the DIMM connector.Attention: To avoid breaking the retaining clips or damaging the DIMMconnectors, open and close the clips gently.8. Touch the static-protective package that contains the DIMM to any unpaintedmetal surface on the server. Then, remove the DIMM from the package.9. Turn the DIMM so that the DIMM keys align correctly with the connector.10. Insert the DIMM into the connector by aligning the edges of the DIMM withthe slots at the end of the DIMM connector. Firmly press the DIMM straightdown into the connector by applying pressure on both ends of the DIMMsimultaneously. The retaining clips snap into the locked position when theDIMM is firmly seated in the connector.Figure 46. DIMM installationChapter 2. Installing optional devices 65
