HP LH4r HP Netserver LXr 8500 Installation Guide - Page 36

Chapter 3 Opening and Closing the HP NetServer Removing and Replacing the HP NetServer's Covers You can remove all or part of the HP NetServer's top cover in the following situations: • You must power down the HP NetServer before taking off the top cover. Remove the entire top cover for full access to the processor baseboard and the I/O baseboard. l You must power down the HP NetServer before taking off the PCI access panel to install all accessory boards. Refer to "Removing the PCI Access Panel" later in this chapter. NOTE The HP NetServer can only remain powered on when removing the PCI Access Panel to replace PCI Hot Plug boards. The HP NetServer can operate safely when this access panel is removed, but only on a temporary basis. Refer to "Removing the PCI Access Panel" later in this chapter. Tools Required The following tools are required for extending the chassis out of the rack and for cover removal and installation on the HP NetServer: • T-15 Torx® driver - Top Cover and PCI Access Panel l T-25 Torx® driver - Rack screws Removing the Top Cover To remove and replace the entire top cover, refer to the following procedure. CAUTION Do not operate the HP NetServer LXr 8500 with its top cover removed. Serious damage to the HP NetServer could result. 1. If the HP NetServer is operating, log off all users and if necessary, back-up files. 2. Follow the instructions in your network operating system (NOS) documentation to gracefully shut down all networking software and applications. 28