Updating the server configurationWhen you start the server for the first time after you add or remove a device, youmight receive a message that the configuration has changed. The Setup utilitystarts automatically so that you can save the new configuration settings. For moreinformation, see Chapter 3, “Configuring the server,” on page 95.Some optional devices have device drivers that you must install. For informationabout installing device drivers, see the documentation that comes with each device.Before you attach a memory expansion module to the server and try to use it, youmust update the server firmware with the latest level of firmware or code. If youattach and try to use the memory expansion module without updating the serverfirmware, you might get unexpected system behaviour or the server might notpower on. For special instructions to follow before you attach the memoryexpansion module to the server, go to http://www.ibm.com/support/entry/portal/docdisplay?Indocid=MIGR-5085756.The server comes with at least one microprocessor. If more than onemicroprocessor is installed, the server can operate as a symmetric multiprocessing(SMP) server. You might have to upgrade the operating system to support SMP.For more information, see “Typical operating-system installation” on page 104 andthe operating-system documentation.If the server has an optional RAID adapter and you have installed or removed ahard disk drive, see the documentation that comes with the RAID adapter forinformation about reconfiguring the disk arrays.For information about configuring the integrated Gigabit Ethernet controller, see“Configuring the Broadcom Gigabit Ethernet controller” on page 108.80 IBM System x3850 X5 and x3950 X5 Types 7145, 7146, 7143, and 7191: Installation and User's Guide
