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Date: Thu, 16 Jan 2003 15:26:35 +0200
To: djgpp AT delorie DOT com
From: Michelle Konzack <dos DOT mailinglists AT freenet DOT de>
Subject: Re: Libnet serial port problem
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Hello Tonu, 

Am 10:11 15/01/03 +0200 hat Tonu Aas geschrieben:

>You expect that UARTS can share IRQ-s.
>I dont know, but on older machines they dont.

I have 4 ISA cards (around 9 years) and they share the IRQ's. 
It works for Dos, SCO and some other stuff, but not windows... ;-)) 

>At least ISA bus IO cards dont. So its not "Just bad software" but can

For some month I have bought on eBay three Serial ISA-Cards with 8 Ports 
each and they share the interrupts very well. (Manufactur: ExSys)

>I think that this libnet is some older library and it doesnt handle IRQ
>sharing also.

I think so too... 

>Only bullet-proof solution is to not use the same IRQ or not to use IRQ at
>all :[

A little bit to heavy if you have more the 6 serial Ports
>Tõnu.

Michelle

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