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DAIC(4) BSD Kernel Interfaces Manual DAIC(4)
daic -- isdn4bsd driver for EICON.Diehl active ISDN cards
daic0 at isa? iomem 0xd8000 irq 10
The daic driver supports the old Diehl active cards: S, SX, SXn, SCOM and QUADRO.
For a QUADRO card, 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
The daic 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 dependent.
The daic driver is written to conform to the software interface documented by Diehl in their
ISDN-Karten Benutzerhandbuch from 1992.
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 daicctl utility to do this, i.e.
call daicctl -d te_etsi.sx 1 to download the file te_etsi.sx to controller number 1. Use
daicctl -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.
The cards bootstrap process involves another file, which is independent of the card type you
use and the protocol you run. It is called download.bin in current versions of the Diehl
software distribution and has to be copied to the kernel compile directory under
dev/microcode/daic and converted into a header file used when compiling the kernel by run-
ning make in that directory. Your kernel compile will fail and remind you of this if you
forget to do this. Due to copyright 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
The driver is not yet finished.
BSD January 30, 1998 BSD
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