diff --git a/src/include/86box/snd_ac97.h b/src/include/86box/snd_ac97.h
index 9c4bd308a..da2bb8b95 100644
--- a/src/include/86box/snd_ac97.h
+++ b/src/include/86box/snd_ac97.h
@@ -41,6 +41,7 @@ extern ac97_codec_t	**ac97_codec, **ac97_modem_codec;
 extern int		ac97_codec_count, ac97_modem_codec_count;
 
 extern const device_t	alc100_device;
+extern const device_t	cs4297_device;
 extern const device_t	cs4297a_device;
 extern const device_t	wm9701a_device;
 
diff --git a/src/machine/m_at_slot1.c b/src/machine/m_at_slot1.c
index a14d75cd7..535e8ad74 100644
--- a/src/machine/m_at_slot1.c
+++ b/src/machine/m_at_slot1.c
@@ -468,8 +468,10 @@ machine_at_tsunamiatx_init(const machine_t *model)
     device_add(&i440bx_device);
     device_add(&piix4e_device);
 
-    if (sound_card_current == SOUND_INTERNAL)
-    	device_add(&es1371_onboard_device);
+    if (sound_card_current == SOUND_INTERNAL) {
+	device_add(&es1371_onboard_device);
+	device_add(&cs4297_device); /* found on other Tyan boards around the same time */
+    }
 
     device_add(&pc87309_device);
     device_add(&keyboard_ps2_ami_pci_device);
@@ -678,8 +680,10 @@ machine_at_ms6168_common_init(const machine_t *model)
     if (gfxcard == VID_INTERNAL)
     	device_add(&voodoo_3_2000_agp_onboard_8m_device);
 
-    if (sound_card_current == SOUND_INTERNAL)
-    	device_add(&es1371_onboard_device);
+    if (sound_card_current == SOUND_INTERNAL) {
+	device_add(&es1371_onboard_device);
+	device_add(&cs4297_device);
+    }
 }
 
 
diff --git a/src/sound/snd_ac97_codec.c b/src/sound/snd_ac97_codec.c
index 57083d590..a4b3c7e1c 100644
--- a/src/sound/snd_ac97_codec.c
+++ b/src/sound/snd_ac97_codec.c
@@ -30,6 +30,7 @@
 
 enum {
     AC97_CODEC_ALC100 = AC97_CODEC_ID('A', 'L', 'C', 0x20),
+    AC97_CODEC_CS4297 = AC97_CODEC_ID('C', 'R', 'Y', 0x03),
     AC97_CODEC_CS4297A = AC97_CODEC_ID('C', 'R', 'Y', 0x11),
     AC97_CODEC_WM9701A = AC97_CODEC_ID('W', 'M', 'L', 0x00)
 };
@@ -228,6 +229,18 @@ const device_t alc100_device =
     NULL
 };
 
+const device_t cs4297_device =
+{
+    "Crystal CS4297",
+    DEVICE_AC97,
+    AC97_CODEC_CS4297,
+    ac97_codec_init, ac97_codec_close, ac97_codec_reset,
+    { NULL },
+    NULL,
+    NULL,
+    NULL
+};
+
 const device_t cs4297a_device =
 {
     "Crystal CS4297A",
diff --git a/src/sound/snd_audiopci.c b/src/sound/snd_audiopci.c
index ee529c59f..a41b9afff 100644
--- a/src/sound/snd_audiopci.c
+++ b/src/sound/snd_audiopci.c
@@ -1366,7 +1366,8 @@ static void *es1371_init(const device_t *info)
 
 	ac97_codec = &es1371->codec;
 	ac97_codec_count = 1;
-	device_add(&cs4297a_device);
+	if (!info->local)
+		device_add(&cs4297a_device);
 
 	return es1371;
 }