HP LH4r HP Netserver LH 3/LH 3r to LH 4/LH 4r - Page 9

1 Introduction Installation Overview This guide describes the procedures for installing new hardware and software in your LH 4/LH 4r NetServer. The hardware update takes 10 or 15 minutes. The firmware update can take up to an hour, not including time taken by backing up and restoring your hard disk drives, or by reinstalling the NOS or applications. During the update procedure, you will see progress screens that indicate the action underway. During the software upgrade, you will: • update system information • reconfigure options like interrupt management and NetRAID details • reinstall the NOS if necessary NOTE Before attempting the upgrade procedure, you should be familiar with the current and default NetRAID configurations and with the BIOS options specified in the Setup utility. For further information, refer to these topics on the HP NetServer Online Documentation CD-ROM: HP NetRAID Installation and Configuration Guide HP NetRAID User Guide Setup Utility (in LH 4/LH 4r Configuration section) CAUTION The software update eliminates user-definable BIOS options and the NetRAID configuration details. You must save these details before you perform the software upgrade if you want to restore these settings afterward. 5