Third serial port

[Conor P. Cahill]

In article <12978 at cit-vax.Caltech.Edu>, tim at cit-vax.Caltech.Edu (Timothy L. Kay) writes:
> Does anybody know if it is possible to use IRQ 2 for a serial port?
> Is it possible to share interrupts (can I put two ports on the same
> interrupt and have it work)?

You can't use IRQ 2 for anything on any AT bus system.  IRQ 2 is used 
by the second interrupt handler.  Usually IRQ2 on a bus card is mapped
to IRQ 9, so try that or try a different IRQ.


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