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+.\" $OpenBSD: jmb.4,v 1.5 2013/07/16 16:05:49 schwarze Exp $
+.\"
+.\" Copyright (c) 2007 David Gwynne <dlg@openbsd.org>
+.\"
+.\" Permission to use, copy, modify, and distribute this software for any
+.\" purpose with or without fee is hereby granted, provided that the above
+.\" copyright notice and this permission notice appear in all copies.
+.\"
+.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+.\"
+.Dd $Mdocdate: July 16 2013 $
+.Dt JMB 4
+.Os
+.Sh NAME
+.Nm jmb
+.Nd JMicron JMB36x SATA II and PATA Host Controller
+.Sh SYNOPSIS
+.Cd "jmb* at pci?"
+.Cd "ahci* at jmb?"
+.Cd "pciide* at jmb?"
+.Sh DESCRIPTION
+JMicron JMB36x hardware can provide support for SATA devices using the Advanced
+Host Controller Interface for Serial ATA, and for PATA devices using PCI IDE
+controller specification.
+Since support for both SATA and PATA devices can be enabled on the same PCI
+device but only one driver per PCI device can be attached, the
+.Nm
+driver acts as a nexus to other drivers that support the SATA and PATA
+functionality.
+.Xr ahci 4
+supports the SATA functionality, and
+.Xr pciide 4
+support the PATA functionality on these controllers.
+.Sh SEE ALSO
+.Xr ahci 4 ,
+.Xr intro 4 ,
+.Xr pci 4 ,
+.Xr pciide 4
+.Sh HISTORY
+The
+.Nm
+driver first appeared in
+.Ox 4.2 .
+.Sh AUTHORS
+.An -nosplit
+The
+.Nm
+driver was written by
+.An David Gwynne Aq Mt dlg@openbsd.org .