Example Etc Capi Conf
/etc/capi.conf
(used by AVM cards)
#card file proto io irq mem cardnr options
b1isa b1.t4 DSS1 0x150 7 - - P2P
b1pci b1.t4 DSS1 - - - -
c4 c4.bin DSS1 - - - -
c4 - DSS1 - - - -
c4 - DSS1 - - - - P2P
c4 - DSS1 - - - - P2P
t1isa t1.t4 DSS1 0x340 9 - 0
t1pci t1.t4 DSS1 - - - -
fcpci - - - - - -
fcclassic - - 0x300 5 - -
Firmware can be located at ftp://ftp.in-berlin.de/pub/capi4linux/firmware/ for some cards.
Other cards, e.g. EICON use different mechanisms. See Asterisk CAPI Readme

Comments
333p2mp/p2p on avm cards
All passive cards (classic, pnp, pci) are only for p2mp (Mehrgeraeteanschluss), even if you change the /etc/isdn/capi.conf