Some UART Chips Do Not Support 14400 Baud

Last reviewed: May 14, 1997
Article ID: Q112215

The information in this article applies to:

Microsoft Windows NT operating system version 3.1
Microsoft Windows NT Advanced Server version 3.1

UART chips 8250, 16450, and 16550 do not support 14400 baud rates.

If you attempt to use the Windows Terminal applet with a modem that uses a 8250, 16450, or 16550 UART chip, the following error message appears if you attempt to set the baud rate to 14400:

   The selected COM port is either not supported or is being used by
   another device.

   Select another port.

Additional query words: prodnt err msg
Keywords : kbhw nthw ntutil
Version : 3.1
Platform : WINDOWS

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Last reviewed: May 14, 1997
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