Rear viewSee the documentation that comes with any external devices for additional cablinginstructions. It might be easier for you to route cables before you connect thedevices to the server.If the server comes with an installed operating system, see the documentation thatcomes with the operating system for additional cabling instructions.Updating the server configurationUse this information to update the server configuration.When you start the server for the first time after you add or remove an internaldevice, external SAS device, or USB keyboard or mouse, you might receive amessage that the configuration has changed. After the POST fails three times, theSetup utility starts automatically so that you can save the new configurationsettings. For more information, see Chapter 3, “Configuring the server,” on page157.Some optional devices have device drivers that you must install. See thedocumentation that comes with each optional device for information aboutinstalling device drivers.The server comes with at least one multi-core microprocessor, which enables theserver to operate as a symmetric multiprocessing (SMP) server. You might have toupgrade the operating system to support SMP. For more information, see “Usingthe ServerGuide Setup and Installation CD” on page 164 and the operating-systemdocumentation.If you have installed or removed a hard disk drive, see “Using the LSIConfiguration Utility program” on page 172.If you have installed a USB hypervisor memory key on the SAS riser-card, see theuser's guide that comes with the hypervisor memory key. Hypervisor enables guestoperating systems to function on the server.For information about configuring the integrated Gigabit Ethernet controller, see“Configuring the Gigabit Ethernet controller” on page 172.Figure 169. Connectors rear view156 System x3650 M3 Types 4255, 7945, and 7949: Installation and User’s Guide
