diff --git a/sys/arch/mac68k/dev/grf_mv.c b/sys/arch/mac68k/dev/grf_mv.c
index 21acf32685ce..7614692d9bf8 100644
--- a/sys/arch/mac68k/dev/grf_mv.c
+++ b/sys/arch/mac68k/dev/grf_mv.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: grf_mv.c,v 1.35 1997/10/25 23:18:01 briggs Exp $	*/
+/*	$NetBSD: grf_mv.c,v 1.36 1997/11/30 01:02:44 briggs Exp $	*/
 
 /*
  * Copyright (c) 1995 Allen Briggs.  All rights reserved.
@@ -61,6 +61,7 @@ static void	grfmv_intr_cmax __P((void *vsc, int slot));
 static void	grfmv_intr_cti __P((void *vsc, int slot));
 static void	grfmv_intr_radius __P((void *vsc, int slot));
 static void	grfmv_intr_supermacgfx __P((void *vsc, int slot));
+static void	grfmv_intr_lapis __P((void *vsc, int slot));
 
 static int	grfmv_mode __P((struct grf_softc *gp, int cmd, void *arg));
 static caddr_t	grfmv_phys __P((struct grf_softc *gp));
@@ -281,6 +282,9 @@ bad:
 	case NUBUS_DRHW_SUPRGFX:
 		add_nubus_intr(na->slot, grfmv_intr_supermacgfx, sc);
 		break;
+	case NUBUS_DRHW_LAPIS:
+		add_nubus_intr(na->slot, grfmv_intr_lapis, sc);
+		break;
 	case NUBUS_DRHW_MICRON:
 		/* What do we know about this one? */
 	default:
@@ -577,3 +581,18 @@ grfmv_intr_cmax(vsc, slot)
 	dummy = bus_space_read_4(sc->sc_tag, sc->sc_handle, 0xf501c);
 	dummy = bus_space_read_4(sc->sc_tag, sc->sc_handle, 0xf5018);
 }
+
+/*
+ * Routine to clear interrupts for the Sigma Designs ColorMax card.
+ */
+/*ARGSUSED*/
+static void
+grfmv_intr_lapis(vsc, slot)
+	void	*vsc;
+	int	slot;
+{
+	struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
+
+	bus_space_write_1(sc->sc_tag, sc->sc_handle, 0xff7000, 0x08);
+	bus_space_write_1(sc->sc_tag, sc->sc_handle, 0xff7000, 0x0C);
+}
diff --git a/sys/arch/mac68k/dev/nubus.h b/sys/arch/mac68k/dev/nubus.h
index ea933387e489..cd4bca49b6e7 100644
--- a/sys/arch/mac68k/dev/nubus.h
+++ b/sys/arch/mac68k/dev/nubus.h
@@ -1,4 +1,4 @@
-/*	$NetBSD: nubus.h,v 1.33 1997/10/25 23:17:58 briggs Exp $	*/
+/*	$NetBSD: nubus.h,v 1.34 1997/11/30 01:02:45 briggs Exp $	*/
 
 /*
  * Copyright (c) 1995 Allen Briggs.  All rights reserved.
@@ -64,6 +64,7 @@
 #define    NUBUS_DRHW_SPECTRUM	0x017c	/* SuperMac Spectrum/24 Series III */
 #define    NUBUS_DRHW_CB364	0x026F	/* RasterOps ColorBoard 364 */
 #define	   NUBUS_DRHW_RPC8	0x0291	/* Radius PrecisionColor 8 */
+#define	   NUBUS_DRHW_LAPIS	0x0292	/* SE/30 Lapis ProColorServer 8 PDS */
 #define    NUBUS_DRHW_FUTURASX	0x02AE	/* E-Machines Futura-SX */
 #define    NUBUS_DRHW_THUNDER24	0x02CB	/* SuperMac Thunder/24 */
 #define	   NUBUS_DRHW_RPC8XJ	0x040B	/* Radius PrecisionColor 8xj */
diff --git a/sys/arch/mac68k/nubus/grf_nubus.c b/sys/arch/mac68k/nubus/grf_nubus.c
index f7190c8c131a..2a754948f04c 100644
--- a/sys/arch/mac68k/nubus/grf_nubus.c
+++ b/sys/arch/mac68k/nubus/grf_nubus.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: grf_nubus.c,v 1.35 1997/10/25 23:18:01 briggs Exp $	*/
+/*	$NetBSD: grf_nubus.c,v 1.36 1997/11/30 01:02:44 briggs Exp $	*/
 
 /*
  * Copyright (c) 1995 Allen Briggs.  All rights reserved.
@@ -61,6 +61,7 @@ static void	grfmv_intr_cmax __P((void *vsc, int slot));
 static void	grfmv_intr_cti __P((void *vsc, int slot));
 static void	grfmv_intr_radius __P((void *vsc, int slot));
 static void	grfmv_intr_supermacgfx __P((void *vsc, int slot));
+static void	grfmv_intr_lapis __P((void *vsc, int slot));
 
 static int	grfmv_mode __P((struct grf_softc *gp, int cmd, void *arg));
 static caddr_t	grfmv_phys __P((struct grf_softc *gp));
@@ -281,6 +282,9 @@ bad:
 	case NUBUS_DRHW_SUPRGFX:
 		add_nubus_intr(na->slot, grfmv_intr_supermacgfx, sc);
 		break;
+	case NUBUS_DRHW_LAPIS:
+		add_nubus_intr(na->slot, grfmv_intr_lapis, sc);
+		break;
 	case NUBUS_DRHW_MICRON:
 		/* What do we know about this one? */
 	default:
@@ -577,3 +581,18 @@ grfmv_intr_cmax(vsc, slot)
 	dummy = bus_space_read_4(sc->sc_tag, sc->sc_handle, 0xf501c);
 	dummy = bus_space_read_4(sc->sc_tag, sc->sc_handle, 0xf5018);
 }
+
+/*
+ * Routine to clear interrupts for the Sigma Designs ColorMax card.
+ */
+/*ARGSUSED*/
+static void
+grfmv_intr_lapis(vsc, slot)
+	void	*vsc;
+	int	slot;
+{
+	struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
+
+	bus_space_write_1(sc->sc_tag, sc->sc_handle, 0xff7000, 0x08);
+	bus_space_write_1(sc->sc_tag, sc->sc_handle, 0xff7000, 0x0C);
+}
diff --git a/sys/arch/mac68k/nubus/nubus.h b/sys/arch/mac68k/nubus/nubus.h
index ea933387e489..cd4bca49b6e7 100644
--- a/sys/arch/mac68k/nubus/nubus.h
+++ b/sys/arch/mac68k/nubus/nubus.h
@@ -1,4 +1,4 @@
-/*	$NetBSD: nubus.h,v 1.33 1997/10/25 23:17:58 briggs Exp $	*/
+/*	$NetBSD: nubus.h,v 1.34 1997/11/30 01:02:45 briggs Exp $	*/
 
 /*
  * Copyright (c) 1995 Allen Briggs.  All rights reserved.
@@ -64,6 +64,7 @@
 #define    NUBUS_DRHW_SPECTRUM	0x017c	/* SuperMac Spectrum/24 Series III */
 #define    NUBUS_DRHW_CB364	0x026F	/* RasterOps ColorBoard 364 */
 #define	   NUBUS_DRHW_RPC8	0x0291	/* Radius PrecisionColor 8 */
+#define	   NUBUS_DRHW_LAPIS	0x0292	/* SE/30 Lapis ProColorServer 8 PDS */
 #define    NUBUS_DRHW_FUTURASX	0x02AE	/* E-Machines Futura-SX */
 #define    NUBUS_DRHW_THUNDER24	0x02CB	/* SuperMac Thunder/24 */
 #define	   NUBUS_DRHW_RPC8XJ	0x040B	/* Radius PrecisionColor 8xj */