IBM x3850 X5 7145 Installation And User Manual

Also see for System x3950 X5: Installation and user guide Implementation guide Installation and user guide Problem determination and service guide

Contents

v Remind button: This button places the system-error LED on the front panel intoRemind mode. In Remind mode, the system-error LED flashes once every 2seconds until the problem is corrected, the server is restarted, or a new problemoccurs.By placing the system-error LED indicator in Remind mode, you acknowledgethat you are aware of the last failure but will not take immediate action to correctthe problem. The remind function is controlled by the IMM.v NMI button: Press this button to force a nonmaskable interrupt to themicroprocessor, if you are directed to do so by IBM service.v Reset button: Press this button to reset the server and run the power-onself-test (POST). You might have to use a pen or the end of a straightened paperclip to press the button. The reset button is in the lower-right corner of the lightpath diagnostics panel.For more information about light path diagnostics, see the Problem Determinationand Service Guide on the IBM Documentation CD.Rear viewThe following illustration shows the connectors on the rear of the server.ACDC!SystemmanagementEthernetSystemserialVideo USBGigabitEthernet 1 - 2PowerconnectorACDC!QPIports1 - 2QPIports3 - 4Power-cord connector: Connect the power cord to this connector.System-management connector: Use this connector to connect the server to anetwork for systems-management information control. This connector is used onlyby the IMM.USB connectors: Connect USB devices, such as a USB mouse or keyboard, tothese connectors.Video connector: Connect a monitor to this connector.Serial connector: Connect a 9-pin serial device to this connector. The serial port isshared with the integrated management module (IMM). The IMM can take control ofthe shared serial port to perform text console redirection and to redirect serialtraffic, using Serial over LAN (SOL).QPI ports 1 - 4: Use these connectors to insert either a QPI wrap card, or a fillerpanel. The QPI wrap cards allow increased performance in certain models.14 IBM System x3850 X5 and x3950 X5 Types 7145 and 7146: Installation and User’s Guide