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Using Your PC-DIO-24
(Non-PnP) Board
Differences between the PC-DIO-24PnP and
the PC-DIO-24
Specification
I/O base address
selection
Interrupt request
selection
Interrupt request
enable
© National Instruments Corporation
This appendix describes the differences between the PC-DIO-24 and
PC-DIO-24PnP boards, the PC-DIO-24 board configuration, and the
PC-DIO-24 installation into your computer. Read this appendix only if
you do not have the Plug and Play version of the board.
The PC-DIO-24PnP is a Plug and Play upgrade from a legacy board, the
PC-DIO-24. Legacy board refers to a board with switches and jumpers
used to set the addresses and interrupt levels. The original legacy board
was replaced with a backwards-compatible, revised PC-DIO-24 that has
many of the new features of the Plug and Play version. The following
list compares the specifications and functionality of the newer boards
with the original legacy board. This document applies only to the
revised PC-DIO-24/PnP board.
Table D-1. Comparison of Characteristics
Original PC-DIO-24
Uses switches
Uses jumpers
Uses one port C line
(jumper selectable)
Revised PC-DIO-24
Uses switches
Uses jumpers
Uses one port C line
(jumper selectable)
D-1
Appendix
D
PC-DIO-24PnP
Plug and Play
compatible
Plug and Play
compatible
Software-controlled
(uses interrupt control
registers)
PC-DIO-24/PnP User Manual
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