David,
I'm using an (old) fourport card from STB. Works fine for me.
The ISA bus permits sharing IRQ's as long as they are on the
*same*controller*card* but not on different cards. Of course, your
serial port software must handle shared interupts as well.
You will of course need to use setserial at the boot to setup the card.
Regards
Gustav
David Kramer wrote:
>
> I need to get another serial port or two on my linux box. I have one for
> the mouse, another for my IR controller, and I would like at least one
> more for an X10 ActiveHome controller. Ideally I would have a fourth for
> a dial-in modem.
>
> If I get a normal add-on two-port serial card for ~$30-$40, could I use
> that in addition to the two ports I have now, or are they going to
> conflict with IRQ's?
>
> Real 4-port serial cards seem to be very expensive. Are there any that
> are not? I don't need fast. Does each com port need an IRQ? That would
> suck.
>
> Does anyone have experience with a particular make, model, or vendor?
>
> Thanks in advance.
>
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