diff --git a/sys/i386/isa/bs/scsi_dvcfg.h b/sys/i386/isa/bs/scsi_dvcfg.h
new file mode 100644
index 00000000000..0d4d14298e3
--- /dev/null
+++ b/sys/i386/isa/bs/scsi_dvcfg.h
@@ -0,0 +1,54 @@
+/*	$NetBSD$	*/
+/*
+ * [NetBSD for NEC PC98 series]
+ *  Copyright (c) 1994, 1995, 1996 NetBSD/pc98 porting staff.
+ *  Copyright (c) 1994, 1995, 1996 Naofumi HONDA.
+ *  All rights reserved.
+ * 
+ *  Redistribution and use in source and binary forms, with or without
+ *  modification, are permitted provided that the following conditions
+ *  are met:
+ *  1. Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *  2. Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ *  3. The name of the author may not be used to endorse or promote products
+ *     derived from this software without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef	_SCSI_DVCFG_H_
+#define	_SCSI_DVCFG_H_
+
+/* common dvcfg flags defitions for bs, ncv, stg */
+
+#define	DVF_SCSI_SYNC		0x01
+#define	DVF_SCSI_DISC		0x02
+#define	DVF_SCSI_WAIT		0x04
+#define	DVF_SCSI_LINK		0x08
+#define	DVF_SCSI_QTAG		0x10
+#define	DVF_SCSI_SP0		0x100
+#define	DVF_SCSI_NOPARITY	0x200
+#define	DVF_SCSI_SAVESP		0x400
+#define	DVF_SCSI_SP1		0x800
+#define	DVF_SCSI_PERIOD(XXX)	(((XXX) >> 24) & 0xff)
+#define	DVF_SCSI_OFFSET(XXX)	(((XXX) >> 16) & 0xff)
+#define DVF_SCSI_SYNCMASK	0xffff0000
+
+#define	DVF_SCSI_DEFCFG	(DVF_SCSI_SYNC | DVF_SCSI_NOPARITY | DVF_SCSI_SYNCMASK)
+
+#define	DVF_SCSI_BITS		"\020\13fssp\12noparity\11nosat\005qtag\004cmdlnk\003wait\002disc\001sync"
+
+#endif	/* !_SCSI_DVCFG_H_ */