Serial port speed

[Fred N. van Kempen]

On Mon, 2 Aug 2004, Fred Cisin wrote:

> But, admittedly, if you tried to do serial I/O using the BIOS
> routines, then you might very well be limited to not much over
> 300 baud.
Correct, that is why we all wrote and/or installed our own handlers
that did dual-ring buffering, better handshaking and, if needed,
custom line speeds and/or protocols.

> Joe Campbell's "C Programmer's Guide to Serial Communications"
> has plenty of good info, although he and I didn't completely
> agree about his level of "data hiding".
Oo, the "Blue Book".  Good info, but, indeed, his Virtual UART
stuff kinda sucked.

--f