AppendixD Troubleshootingand Common Questions
SerialHardware and Software for Windows D-4 ni.com
Resolving Resource Conflicts with Legacy Boards
Resourceconflicts typicallyoccur if y our systemcontains legacyboards
thatuse resources that are not reserved properly. If a resource conflict
exists,write down the resource that caused the conflict and refer to the
MicrosoftWindows 2000 user’s guide for instructions on how to use the
DeviceManager to reserve I/O and IRQ resources for legacy boards.
Common Questions
Howcan I determinewhich type of serialhardware I have installed?
1. Select Start»Settings»Control Panel and double-click on the
System icon.
2. Click on the Hardware tabandclickontheDevice Manager button.
3. Double-click on the Ports (COM & LPT) icon to display a list of
installed ports.
Howcan I determine which version of the NI-Serial software I have
installed?
TheRead Mefile gives the version of the software. To open the file,select
Start»Programs»National Instruments»NI-Serial»ReadMe.
Whatdo Id o if the diagnostic test fails with an error?
Refert o the Troubleshooting Diagnostic Messages section earlier in this
appendix.
Howcan I determine which port is associated withCOMx?
Todetermine which physical port is associated with COMx, complete the
followingsteps:
1. Inthe Device Manager, under Ports (COM & LPT), double-click on
aser ial port.
2. Note the Port 1, Port 2, etc. entries next to the COM numbers. For all
serialhardware, PORT1 refers to the top port, PORT2 refers to the next
port down,and so on.
Howcan I change the COM numbers of my National Instruments
serialports?
1. Select Start»Settings»Control Panel and double-click on the
System icon.
2. Click on the Hardware tabandclickontheDevice Manager button.