Discussed in from [FreeBSD-tech-jp 3396] to [FreeBSD-tech-jp 3407]
at FreeBSD-tech-jp@jp.freebsd.org.
NOTE: We must put ed_probe_SIC() function into if_ed_isa.c because
this is a bus dependent code. But the ed driver code is not
separated explicitly whether it is bus dependent or independent
now.
Refer to: http://plaza17.mbn.or.jp/~chi/myprog/FreeBSD/sicat.html
Submitted by: chi@bd.mbn.or.jp (Chiharu Shibata)