Hardware Reference
In-Depth Information
Figure 10.23
VB Port Test utility developed by Chris Schroeder. This handy
program is invaluable for checking the status of the PC's parallel ports
Figure 10.24
IRQ channels information displayed by Windows XP's System
Tools utility
Operating system utilities
Modern operating systems (such as Windows NT or Windows XP) provide a
number of built-in utilities that can provide information of value to the engineer.
These utilities are normally only for reporting and do not generally allow users
