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+.\" Copyright (c) 1997 Martin Husemann <martin@rumolt.teuto.de>
+.\" All rights reserved.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. The name of the author may not be used to endorse or promote products
+.\"    derived from this software withough specific prior written permission
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+.\"
+.\"	$Id: daic.4,v 1.1 1998/02/03 12:43:07 hm Exp $
+.\"
+.\"	last edit-date: [Fri Jan 30 22:49:48 1998]
+.\"
+.\"	-mh	writing manual pages
+.\"
+.\"
+.Dd January 30, 1998
+.Dt daic 4
+.Sh NAME
+.Nm daic
+.Nd isdn4bsd driver for EICON.Diehl active isdn cards
+.Pp
+The
+.Nm
+driver supports the old Diehl active cards:
+.Em S, SX, SXn, SCOM
+and
+.Em QUADRO.
+.Sh SYNOPSIS
+.Pp
+Use a config line like this
+.Cd "daic0 at isa? iomem 0xd8000 irq 10"
+.Pp
+For a
+.Em QUADRO
+card use the same, the driver will detect the board type and use
+all four ports, each attached as a controller of its own to the
+ISDN4BSD system, which can be listed using the isdnctl utility.
+.Sh DESCRIPTION
+The
+.Nm
+driver interfaces the isdn card to the ISDN4BSD kernel subsystem.
+All lower layer isdn control is handled by the card. This should
+allow you to run any national isdn protocol delivered by EICON.Diehl
+for your card, but the driver has only been tested with the DSS1
+protocol and some parts of the cards interface are isdn protocol
+dependend.
+.Pp
+The 
+.Nm
+driver is written to conform to the software interface documented
+by Diehl in their
+.Nm ISDN-Karten Benutzerhandbuch
+from 1992.
+.Sh MICROCODE DOWNLOAD
+Every active card needs its own operating software before it can
+work. You have to download this to the card before using it with
+ISDN4BSD. Use the isdnctl utility to do this, i.e. call
+.Nm "isdnctl -d te_etsi.sx 1"
+to download the file
+.Nm te_etsi.sx
+to controller number 1. Use 
+.Nm "isdnctl -l"
+to list all available controllers (and ports). You have to select the 
+correct isdn protocol file for your isdn interface, see the Diehl documentation
+for details.
+.Pp
+The cards bootstrap process involves another file, which is independend
+of the card type you use and the protocol you run. It is called
+.Nm download.bin
+in current versions of the Diehl software distribution and has to be
+copied to the kernel compile directory under
+.Nm dev/ic/microcode/daic
+and converted into a header file used when compiling the kernel by running
+.Nm make
+in that directory. Your kernel compile will fail and remind you of this
+if you forget to do this. Due to copright restrictions we cannot distribute
+the driver with this file integrated. But if you own a card, you do have
+the file (or can get it from the Diehl web server).
+.Sh BUGS
+The driver is not yet finished. It will only compile on NetBSD and
+even there will not work. This should be fixed soon and the driver
+will be ported to FreeBSD.
+.Sh SEE ALSO
+.Xr isdnctl 1