diff --git a/util/superiotool/nsc.c b/util/superiotool/nsc.c
index 8d546e012a..f3cbd5f7ff 100644
--- a/util/superiotool/nsc.c
+++ b/util/superiotool/nsc.c
@@ -499,10 +499,11 @@ static const struct superio_registers reg_table[] = {
 			{0x00,0x00,0x00,0x00,0x00,0x03,0x04,0x04,0x05,EOT}},
 		{EOT}}},
 	{0x8f1, "WPCD376I", {
+		/* This is basically a clone/revision of NSC PC8374L. */
 		{NOLDN, NULL,
 			{0x10,0x12,0x13,0x20,0x21,0x22,0x23,0x24,0x25,0x26,
 			 0x27,0x28,0x29,0x2a,0x2b,0x2c,0x2d,0x2e,0x2f,EOT},
-			{0x00,0x00,0x00,0xf1,0x11,0x00,0x00,0x00,RSVD,0x00,
+			{0x00,0x00,0x00,0xf1,0x11,0x00,0x00,0x00,0x06,0x00,
 			 MISC,RSVD,0x01,0x2e,RSVD,RSVD,RSVD,RSVD,RSVD,EOT}},
 		{0x0, "Floppy",
 			{0x30,0x60,0x61,0x70,0x71,0x74,0x75,0xf0,0xf1,0xf8,
@@ -512,9 +513,6 @@ static const struct superio_registers reg_table[] = {
 		{0x1, "Parallel port",
 			{0x30,0x60,0x61,0x70,0x71,0x74,0x75,0xf0,0xf8,EOT},
 			{0x00,0x02,0x78,0x07,0x02,0x04,0x04,0xf2,0x07,EOT}},
-		{0x2, "IR",
-			{0x30,0x60,0x61,0x70,0x71,0x74,0x75,0xf0,EOT},
-			{0x00,0x02,0xf8,0x03,0x03,0x04,0x04,0x02,EOT}},
 		{0x3, "COM1",
 			{0x30,0x60,0x61,0x70,0x71,0x74,0x75,0xf0,EOT},
 			{0x00,0x03,0xf8,0x04,0x03,0x04,0x04,0x02,EOT}},
@@ -536,6 +534,12 @@ static const struct superio_registers reg_table[] = {
 			 0xf2,0xf3,0xf8,EOT},
 			{0x00,0x00,0x00,0x00,0x00,0x03,0x04,0x04,0x00,MISC,
 			 0x00,MISC,0x01,EOT}},
+		{0x15, "ECIR",
+			{0x30,0x60,0x61,0x62,0x63,0x70,0x71,0x74,0x75,EOT},
+			{0x00,0x00,0x00,0x00,0x00,0x00,0x03,0x04,0x04,EOT}},
+		{0x16, "COM3 / IR",
+			{0x30,0x60,0x61,0x70,0x71,0x74,0x75,0xf0,EOT},
+			{0x00,0x00,0x00,0x00,0x03,0x04,0x04,0x02,EOT}},
 		{EOT}}},
 	{0xf2, "PC87427", {
 		/* SRID[7..5] is marked as "not applicable for the PC87427". */