diff --git a/sys/conf/files b/sys/conf/files
index f658a65f9458..aabb7d1d069a 100644
--- a/sys/conf/files
+++ b/sys/conf/files
@@ -860,10 +860,8 @@ dev/sound/pcm/channel.c	optional pcm
 dev/sound/pcm/feeder.c	optional pcm
 dev/sound/pcm/fake.c	optional pcm
 dev/sound/pcm/mixer.c	optional pcm
-dev/sound/isa/ad1816.c	optional pcm isa
-dev/sound/isa/es1888.c	optional pcm isa
-dev/sound/isa/mss.c	optional pcm isa
-dev/sound/isa/sb.c	optional pcm isa
+dev/sound/pci/csa.c	optional csa pcm
+dev/sound/pci/csapcm.c	optional csa pcm
 dev/sound/pci/es137x.c	optional pcm pci
 dev/sound/pci/t4dwave.c	optional pcm pci
 #dev/sound/pci/aureal.c	optional pcm pci
diff --git a/sys/conf/files.i386 b/sys/conf/files.i386
index bf5ec5d1a8b0..b5fb112a75a6 100644
--- a/sys/conf/files.i386
+++ b/sys/conf/files.i386
@@ -70,6 +70,12 @@ dev/kbd/kbd.c			optional	atkbd
 dev/kbd/kbd.c			optional	kbd
 dev/kbd/kbd.c			optional	ukbd
 dev/pccard/if_xe.c		optional	xe
+dev/sound/isa/ad1816.c		optional	pcm isa
+dev/sound/isa/es1888.c		optional	pcm isa
+dev/sound/isa/gusc.c		optional	gusc
+dev/sound/isa/mss.c		optional	pcm isa
+dev/sound/isa/sb.c		optional	pcm isa
+dev/sound/isa/sbc.c		optional	sbc
 dev/syscons/schistory.c		optional	sc
 dev/syscons/scmouse.c		optional	sc
 dev/syscons/scvesactl.c		optional	sc
diff --git a/sys/i386/conf/files.i386 b/sys/i386/conf/files.i386
index bf5ec5d1a8b0..b5fb112a75a6 100644
--- a/sys/i386/conf/files.i386
+++ b/sys/i386/conf/files.i386
@@ -70,6 +70,12 @@ dev/kbd/kbd.c			optional	atkbd
 dev/kbd/kbd.c			optional	kbd
 dev/kbd/kbd.c			optional	ukbd
 dev/pccard/if_xe.c		optional	xe
+dev/sound/isa/ad1816.c		optional	pcm isa
+dev/sound/isa/es1888.c		optional	pcm isa
+dev/sound/isa/gusc.c		optional	gusc
+dev/sound/isa/mss.c		optional	pcm isa
+dev/sound/isa/sb.c		optional	pcm isa
+dev/sound/isa/sbc.c		optional	sbc
 dev/syscons/schistory.c		optional	sc
 dev/syscons/scmouse.c		optional	sc
 dev/syscons/scvesactl.c		optional	sc