-.\" $OpenBSD: ahc.4,v 1.7 2000/03/22 03:00:57 smurph Exp $
+.\" $OpenBSD: ahc.4,v 1.8 2000/03/22 03:17:04 smurph Exp $
.\" $NetBSD: ahc.4,v 1.1.2.1 1996/08/25 17:22:14 thorpej Exp $
.\"
.\" Copyright (c) 1995, 1996
.Pp
Driver features include support for twin and wide busses,
fast, ultra and ultra2 synchronous transfers depending on controller type,
-tagged queuing,
and SCB paging.
.Pp
Memory mapped I/O can be enabled for PCI devices with the