National Instruments PXI NI 8171 Series - Manual (Page 12)

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/O connections. The standard I/O on all modules includes video,
RS-232 serial port, parallel port, two USB ports, 10/100 ENET, PS/2 mouse
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-based GPIB 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
serial port, an integrated 1.44 MB floppy drive, a 10 GB (or larger)
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
The NI 8171 series is a modular PC in a PXI 3U-size form factor.
Figure 1-1 is a functional block diagram of the NI 8171 series. Following
the diagram is a description of each logic block shown.