diff --git a/src/add-ons/kernel/drivers/audio/ac97/ich/ac97.c b/src/add-ons/kernel/drivers/audio/ac97/ich/ac97.c
index b3df682ac7..2f5d8a4f86 100644
--- a/src/add-ons/kernel/drivers/audio/ac97/ich/ac97.c
+++ b/src/add-ons/kernel/drivers/audio/ac97/ich/ac97.c
@@ -135,12 +135,14 @@ codec_table codecs[] =
 	{ 0x49434511,		0xffffffff, default_init,	"ICEnsemble ICE1232" },
 	{ 0x4e534331,		0xffffffff, default_init,	"National Semiconductor LM4549" },
 	{ CODEC_ID_STAC9700,0xffffffff, default_init,	"SigmaTel STAC9700/9783/9784" },
-	{ CODEC_ID_STAC9705,0xffffffff, default_init,	"SigmaTel STAC9701/9703/9704/9705" },
-	{ CODEC_ID_STAC9704,0xffffffff, default_init,	"SigmaTel STAC9704" },
+	{ CODEC_ID_STAC9704,0xffffffff, default_init,	"SigmaTel STAC9701/03, STAC9704/07, STAC9705 (???)" },
+	{ CODEC_ID_STAC9705,0xffffffff, default_init,	"SigmaTel STAC9704 (???)" },
 	{ CODEC_ID_STAC9708,0xffffffff, stac9708_init,	"SigmaTel STAC9708/9711" },
 	{ CODEC_ID_STAC9721,0xffffffff, stac9721_init,	"SigmaTel STAC9721/9723" },
 	{ CODEC_ID_STAC9744,0xffffffff, stac9744_init,	"SigmaTel STAC9744" },
+	{ CODEC_ID_STAC9752,0xffffffff, default_init,	"SigmaTel STAC9752/53" },
 	{ CODEC_ID_STAC9756,0xffffffff, stac9756_init,	"SigmaTel STAC9756/9757" },
+	{ CODEC_ID_STAC9766,0xffffffff, default_init,	"SigmaTel STAC9766/67" },
 	{ 0x53494c22,		0xffffffff, default_init,	"Silicon Laboratory Si3036" },
 	{ 0x53494c23,		0xffffffff, default_init,	"Silicon Laboratory Si3038" },
 	{ 0x54524103,		0xffffffff, default_init,	"TriTech TR?????" },
diff --git a/src/add-ons/kernel/drivers/audio/ac97/ich/ac97.h b/src/add-ons/kernel/drivers/audio/ac97/ich/ac97.h
index 791a505ec7..248b5ddf96 100644
--- a/src/add-ons/kernel/drivers/audio/ac97/ich/ac97.h
+++ b/src/add-ons/kernel/drivers/audio/ac97/ich/ac97.h
@@ -114,13 +114,16 @@ enum {
 	CODEC_ID_CS4299A	= 0x43525931,
 	CODEC_ID_CS4299C	= 0x43525933,
 	CODEC_ID_CS4299D	= 0x43525934,
-	CODEC_ID_STAC9700	= 0x83847600, // TODO: verify all SigmaTel IDs and descriptions 
-	CODEC_ID_STAC9704	= 0x83847605,
-	CODEC_ID_STAC9705	= 0x83847604,
-	CODEC_ID_STAC9708	= 0x83847608,
-	CODEC_ID_STAC9721	= 0x83847609,
-	CODEC_ID_STAC9744	= 0x83847644,
-	CODEC_ID_STAC9756	= 0x83847656,
+	// TODO: verify all SigmaTel IDs and descriptions 
+	CODEC_ID_STAC9700	= 0x83847600, // ok, STAC9700
+	CODEC_ID_STAC9704	= 0x83847604, // STAC9701/03, STAC9704/07, STAC9705 (???)
+	CODEC_ID_STAC9705	= 0x83847605, // ???
+	CODEC_ID_STAC9708	= 0x83847608, // ok, STAC9708/11
+	CODEC_ID_STAC9721	= 0x83847609, // ok, STAC9721/23
+	CODEC_ID_STAC9744	= 0x83847644, // ok, STAC9744
+	CODEC_ID_STAC9752	= 0x83847652, // ok, STAC9752/53
+	CODEC_ID_STAC9756	= 0x83847656, // ok, STAC9756/57
+	CODEC_ID_STAC9766	= 0x83847666, // ok, STAC9766/67
 };
 
 // capabilities