GW> Well, it COULD be the UART chip in the serial port that you
 GW> are using some dont handle that kinda speed... Try to get 16650....
 RL> ^^^^^

 RL> 16550.

 BP> Hi Randall there is such a thing as a 16650 UART it is
 BP> designed to allow baud
 BP> rates up to 230,400 BPS anyway double the max output of the 16550.

The ordinary 16550AF has a maximum baud rate of 256,000bps.  It's only the
PC hardware clock selection that limits PC serial ports to 115,200bps; no
faster chip is going to change that.

Ian

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