System-board optional-device connectorsThe following illustration shows the connectors on the system board foruser-installable optional devices.ServeRAID SAS connectorFan 8connectorFan 9connectorFan 5connectorFan 2connector Fan 4connectorFan 3connectorFan 1connector Fan 6connectorPCI riser card connectorRemote Supervisor Adapter IISlimLine connectorPCI Express slot 4connectorPCI Express slot 3connectorBatteryconnectorMicroprocessor 1connectorMicroprocessor 2connectorVoltage regulatormodule connectorDIMM 10 connectorDIMM 11 connectorDIMM 12 connectorDIMM 1 connectorDIMM 2 connectorDIMM 3 connectorDIMM 4 connectorDIMM 5 connectorDIMM 6 connectorDIMM 7 connectorDIMM 8 connectorDIMM 9 connectorNote: The connectors for fans 7 and 10 are on the power backplane. See“Power-backplane-board connectors” on page 18.Chapter 2. Installing optional devices 17