[ltp] Some experiences with serial ports, internal modem and

[Michael Selway]

>   > - The parallel port will work without using an interrupt.
>   >   The parport_pc driver is capable of "polled" operation.
>
>   The serial driver also.

I've had cause to use a pcmcia card without an interrupt recently
and although it works, a ppp link across it runs at around half
the speed you'd expect.  So it's a great short-term fix but don't
rely on it long-term if you want good throughput.

Michael.

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