diff --git a/util/superiotool/winbond.c b/util/superiotool/winbond.c
index b55088c..46efec0 100644
--- a/util/superiotool/winbond.c
+++ b/util/superiotool/winbond.c
@@ -202,6 +202,50 @@
 	{0x9771, "W83977F-A/G-A/AF-A/AG-A", {
 		{EOT}}},
 	{0x9773, "W83977TF", {
+		{NOLDN, NULL,
+			{0x20,0x21,0x22,0x23,0x24,0x25,0x26,0x28,0x2a,0x2b,
+			 0x2c,0x2d,0x2e,0x2f,EOT},
+			{0x97,0x73,0xff,0xfe,MISC,0x00,MISC,0x00,0x00,0x00,
+			 0x00,RSVD,RSVD,RSVD,EOT}},
+		{0x0, "Floppy",
+			{0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,0xf2,0xf4,0xf5,
+			 EOT},
+			{0x01,0x03,0xf0,0x06,0x02,0x0e,0x00,0xff,0x00,0x00,
+			 EOT}},
+		{0x1, "Parallel port",
+			{0x30,0x60,0x61,0x70,0x74,0xf0,EOT},
+			{0x01,0x03,0x78,0x07,0x04,0x3f,EOT}},
+		{0x2, "COM1",
+			{0x30,0x60,0x61,0x70,0xf0,EOT},
+			{0x01,0x03,0xf8,0x04,0x00,EOT}},
+		{0x3, "COM2",
+			{0x30,0x60,0x61,0x70,0xf0,0xf1,EOT},
+			{0x01,0x02,0xf8,0x03,0x00,0x00,EOT}},
+		{0x5, "Keyboard / mouse",
+			{0x30,0x60,0x61,0x62,0x63,0x70,0x72,0xf0,EOT},
+			{0x01,0x00,0x60,0x00,0x64,0x01,0x0c,0x83,EOT}},
+		{0x7, "GPIO 1",
+			{0x30,0x60,0x61,0x62,0x63,0x64,0x65,0x70,0x72,0xe0,
+			 0xe1,0xe2,0xe3,0xe4,0xe5,0xe6,0xe7,0xf1,EOT},
+			{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,
+			 0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x00,EOT}},
+		{0x8, "GPIO 2",
+			{0x30,0x60,0x61,0x70,0x72,0xe8,0xe9,0xea,0xeb,0xec,
+			 0xed,0xee,0xf0,0xf1,0xf2,0xf3,0xf4,EOT},
+			{0x00,0x00,0x00,0x00,0x00,0x01,0x01,0x01,0x01,0x01,
+			 0x01,0x01,0x00,RSVD,0x00,0x00,0x00,EOT}},
+		{0x9, "GPIO 3",
+			{0x30,0x60,0x61,0x62,0x63,0x64,0x65,0x70,0x72,0xe0,
+			 0xe1,0xe2,0xe3,0xe4,0xe5,0xe6,0xe7,0xf1,EOT},
+			{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,
+			 0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x00,EOT}},
+		{0xa, "ACPI",
+			{0x30,0x60,0x61,0x62,0x63,0x64,0x65,0x70,0xe0,0xe1,
+			 0x02,0xe3,0xe4,0xf0,0xf1,0xf2,0xf3,0xf4,0xf5,0xf6,
+			 0xf7,0xfe,0xff,EOT},
+			{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+			 NANA,MISC,RSVD,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+			 0x00,RSVD,RSVD,EOT}},
 		{EOT}}},
 	{0x9774, "W83977ATF", {
 		{EOT}}},