Chapter1 Introduction
NI8171 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 havea standard I/O set, and some modules include
additionalI/O connections. The standard I/O on all modules includes video,
RS-232serial port, parallel port, two USB ports, 10/100 ENET, PS/2 mouse
and keyboardport, Reset button, and PXI Trigger. The modules have the
followingconfigurations:
•TheNI 8176 hasa 1.26 GHz p rocessor,all the standard I/O, a second
serialport, a PCI-based GPIB controller, an integrated 1.44 MB floppy
drive,a 10 GB (or larger) hard drive, and PXI-1020/PXI-1025 chassis
support.
•TheNI 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 NI8174 has a 566 MHz processor, all the standard I/O, and a
10GB (or larger) hard drive.
Functional Overview
Thissection containsfunct ional 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.