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007-4857-002 xvii
About This Guide
This guide provides an overview of the installation, architecture, general operation and
descriptions of the major components that compose the SGI
®
Altix
®
450 family of systems. It also
provides the standard procedures for powering on and powering off the system, basic
troubleshooting and maintenance information, and important safety and regulatory specifications.
Audience
This guide is written for owners, installers, system administrators, and users of SGI Altix 450
computer systems. It is written with the assumption that the reader has a good working knowledge
of computers and computer systems.
Important Information
Warning: To avoid problems that could void your warranty, your SGI or other approved
system support engineer (SSE) should perform any replacement of parts, or service of your
SGI Altix 450 system not covered in the following list of items that you can perform yourself:
• Unpacking, setting up and connecting the system rack(s) and individual rack units IRU(s).
• Using your system console and your L1 controller to enter commands and perform system
functions such as powering on and powering off, as described in this guide.
• Adding and replacing system blades and DIMM memory as described in this guide.
• Adding and replacing PCI, PCI-X and PCI express cards, as described in this guide.
• Replacing fan modules and power supplies in the individual rack unit (IRU) enclosures.
• Adding and replacing DVD or disk drives in the base IA/IA2 (I/O) blade.
• Using the On/Off switch and other switches (the reset and non-maskable interrupt [NMI]
switches) on the system IA or IA2 blade (base I/O).