Installing System Components 57Figure 3-9. RAC Card Connectors9 Reinstall the storage controller card.10 Reinstall the cooling shrouds. See "Replacing the Cooling Shrouds" on page 50.11 Reconnect all cables to the storage controller card and feed the cables through the appropriatechannels and keepers on the cooling shrouds.12 Close the system. See "Closing the System" on page 47.13 Reconnect the system and peripherals to their power sources, and turn them on.14 Enter the System Setup program and verify that the setting for the Boot Sequence has changed toreflect the presence of the RAC card. See "Using the System Setup Program" in your Hardware Owner’sManual.15 Exit the System Setup program and reboot the system.When the system boots, the Remote Access Control Detected message displays and theoption ROM and firmware information for the RAC displays.Press to enter the RAC configuration screen. See the RAC documentation forinformation on configuring and using the RAC.System MemoryYou can upgrade your system memory to a maximum of 32 GB (two-processor configurations) or 64 GB(four-processor configurations) by installing 667-MHz registered DDR-II memory modules (DIMMs) insets of 512-MB, 1-GB, 2-GB, or 4-GB modules. The sixteen memory sockets are located on the systemboard under the cooling shrouds. Each processor has four memory channels, organized in sets of two.1 RJ-45 connector 2 44-pin MII cable connector 3 50-pin management cableconnector132