National Instruments AT Manual de usuario Pagina 176

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Appendix D Troubleshooting and Common Questions
© National Instruments Corporation D-17 Serial Hardware and Software for Windows
Figure D-4. Multi-Function Adapter Class in the Device Manager
How do I remove information about serial boards from the Device
Manager?
Refer to the hardware uninstallation section for your hardware platform and
operating system in Appendix C, Uninstalling the Hardware and Software.
What is the maximum baud rate supported and how can I set it?
The maximum baud rate supported is 460.8 Kbaud for RS-485 and
115.2 Kbaud for RS-232. To set the baud rate, use the SetCommState
Win32 function and pass the actual value of the baud rate in the BaudRate
field of the DCB structure.
How many interrupts are required for my serial interface?
If you have a shared IRQ board or an isolated board, you need one interrupt
per board. This is the hardware that currently ships with Windows Me/9x.
If you have an older non-shared IRQ board, you need as many interrupts as
there are ports on the board.
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