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Re: Indy ISDN questions

To: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Subject: Re: Indy ISDN questions
From: "William J. Earl" <wje@fir.engr.sgi.com>
Date: Thu, 8 Apr 1999 13:50:36 -0700
Cc: linux@cthulhu.engr.sgi.com
In-reply-to: <19990408223436.A2491@alpha.franken.de>
References: <19990408223436.A2491@alpha.franken.de>
Sender: owner-linux@cthulhu.engr.sgi.com
Thomas Bogendoerfer writes:
 > Ok, after Ulf got the sound working the remaining not supported hardware 
 > is VINO and ISDN. Since I'm involved in ISDN programing at work and I already
 > worked with the Linux ISDN code, I hacked together the necessary code to
 > access ISAC and HSCX. The detection looks pretty good now, but I don't
 > get interrupts from any of the two chips.
 > 
 > The IRIX header files only talk about ISDN on the IP24, but not on the IP22.
 > But I've found both of the Siemens chip on the Indy board (Fullhouse == 
 > IP22).
 > So what's up with ISDN on the Indy ? How do I get the interrupts ?

      The Indy ("Guinness") is an IP24, although it shares the "IP22" kernel 
with the
real IP22, Indigo2 ("Fullhouse").  Only the IP24 has ISDN.  I will look into
where the interrupts are delivered later, but it will be via one of the several
interrupt multiplexors.

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