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Chapter 1 Introduction
NI 8171 Series User Manual 1-2 ni.com
Modules
The NI 8171 series includes three configurations: the NI 8176, NI 8175,
and NI 8174.
All three modules have a standard I/O set, and some modules include
additional I/Oconnections. The standardI/O onall modulesincludes video,
RS-232 serialport, parallelport, twoUSB ports,10/100 ENET, PS/2mouse
and keyboard port, Reset button, and PXI Trigger. The modules have the
following configurations:
• The NI 8176 has a 1.26 GHz processor, all the standard I/O, a second
serial port, a PCI-basedGPIB controller,an integrated 1.44 MB floppy
drive, a 10 GB (or larger) hard drive, and PXI-1020/PXI-1025 chassis
support.
• The NI 8175 has an 866 MHz processor, all the standard I/O, a second
serialport,anintegrated1.44MBfloppydrive,a10GB(orlarger)
hard drive, and PXI-1020/1025 chassis support.
• The NI 8174 has a 566 MHz processor, all the standard I/O, and a
10 GB (or larger) hard drive.
Functional Overview
This section contains functional descriptions of each major logic block on
the NI 8171 series embedded computers.
NI 8171 Series Functional Description
TheNI8171seriesisamodularPCinaPXI3U-sizeformfactor.
Figure 1-1 is a functional block diagram of the NI 8171 series. Following
the diagram is a description of each logic block shown.