Re: [hylafax-users] Multi serial solutions

[Michael Hallager <michael@xxxxxxxxxxxxxxxxxx>]

> Andrew Rinaldi wrote:
> > choose a board that has a "PCI Status Register"...
>
> Sorry, that should have said "PCI Interrupt Status Register".  This
> register allows the serial driver to examine the status of all board
> interrupts without polling each port in tern.  This register was a
> standard feature of the first multiport serial cards when they were
> launched in the 1980's and is invaluable for optimising interrupt
> service routine performance.
>
> This is one reason why we can run 128 fax ports simultaneously on a
> 1.2GHz PIII machine.

Hello Andrew-

I only want to run 4 or 8 ports. Non of the cards I have looked at have this 
feature. Is it important at this port-scale?

Also - you say "board interrupts" - the board I'm looking at only uses 1 IRQ.

Kind regards,

Michael.


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