© National Instruments Corporation xi NI 8171 Series User ManualAbout This ManualThis manual contains detailed instructions for installing and configuringyour National Instruments NI 8171 series embedded computer kit. TheNI 8171 series includes the NI 8176, NI 8175, and NI 8174 embedded PXIcomputers.How to Use the Documentation SetBegin by reading the NI 8171 Series Installation Guide, a brief quick-startguide that describes how to install and get started with your controller.This manual, the NI 8171 Series User Manual, contains more details aboutchanging the installation or configuration from the defaults and using thehardware.ConventionsThe following conventions appear in this manual:This icon denotes a note, which alerts you to important information.This icon denotes a caution, which advises you of precautions to take toavoid injury, data loss, or a system crash.bold Bold text denotes items that you must select or click on in the software,such as menu items and dialog box options. Bold text also denotesparameter names.italic Italic text denotes variables, emphasis, a cross reference, or an introductionto a key concept. This font also denotes text that is a placeholder for a wordor value that you must supply.monospace Text in this font denotes text or characters that you should enter from thekeyboard, sections of code, programming examples, and syntax examples.This font is also used for the proper names of disk drives, paths, directories,programs, subprograms, subroutines, device names, functions, operations,variables, filenames and extensions, and code excerpts.NI 8171 series The terms NI 8171 series and NI 8171 refer to a series of 3U PXIcontrollers. Currently, this series consists of the NI 8174, NI 8175, andNI 8176.