diff --git a/sys/i386/isa/bs/bs.c b/sys/i386/isa/bs/bs.c
index 0fdf78b8330d..fdbc8a1826a3 100644
--- a/sys/i386/isa/bs/bs.c
+++ b/sys/i386/isa/bs/bs.c
@@ -1,5 +1,6 @@
 /*	$NecBSD: bs.c,v 1.1 1997/07/18 09:18:59 kmatsuda Exp $	*/
 /*	$NetBSD$	*/
+/* $FreeBSD$ */
 /*
  * [NetBSD for NEC PC98 series]
  *  Copyright (c) 1994, 1995, 1996 NetBSD/pc98 porting staff.
@@ -107,7 +108,7 @@ bs_scsi_cmd(struct cam_sim *sim, union ccb *ccb)
 		if (cb->tcmax < BS_DEFAULT_TIMEOUT_SECOND)
 			cb->tcmax = BS_DEFAULT_TIMEOUT_SECOND;
 
-		s = splbio();
+		s = splcam();
 
 		TAILQ_INSERT_TAIL(&ti->ti_ctab, cb, ccb_chain);
 
@@ -1637,7 +1638,7 @@ bs_scsi_cmd_poll(cti, targetcb)
 	struct targ_info *ti;
 	int s, error = COMPLETE;
 
-	s = splbio();
+	s = splcam();
 	bs_terminate_timeout(bsc);
 
 	if (bsc->sc_hstate == BSC_TARG_CHECK)
diff --git a/sys/i386/isa/bs/bsfunc.c b/sys/i386/isa/bs/bsfunc.c
index c92b70676933..d4fc51c76dc9 100644
--- a/sys/i386/isa/bs/bsfunc.c
+++ b/sys/i386/isa/bs/bsfunc.c
@@ -1,5 +1,6 @@
 /*	$NecBSD: bsfunc.c,v 1.2 1997/10/31 17:43:37 honda Exp $	*/
 /*	$NetBSD$	*/
+/* $FreeBSD$ */
 /*
  * [NetBSD for NEC PC98 series]
  *  Copyright (c) 1994, 1995, 1996 NetBSD/pc98 porting staff.
@@ -90,7 +91,7 @@ bstimeout(arg)
 	struct bsccb *cb;
 	int s;
 
-	s = splbio();
+	s = splcam();
 	bsc->sc_flags &= ~BSSTARTTIMEOUT;
 
 	/* check */
@@ -625,7 +626,7 @@ bs_check_target(ti)
 
 	ti->ti_lun = 0;
 	bsc->sc_retry = 2;
-	s = splbio();
+	s = splcam();
 
 	/* inquiry */
 	bzero(&scsi_cmd, sizeof(scsi_cmd));