diff --git a/src/device/serial.c b/src/device/serial.c
index 15527fad4..7f93edb53 100644
--- a/src/device/serial.c
+++ b/src/device/serial.c
@@ -757,3 +757,39 @@ const device_t ns16550_device = {
     { NULL }, serial_speed_changed, NULL,
     NULL
 };
+
+const device_t ns16650_device = {
+    "Startech Semiconductor 16650(-compatible) UART",
+    0,
+    SERIAL_16650,
+    serial_init, serial_close, NULL,
+    { NULL }, serial_speed_changed, NULL,
+    NULL
+};
+
+const device_t ns16750_device = {
+    "Texas Instruments 16750(-compatible) UART",
+    0,
+    SERIAL_16750,
+    serial_init, serial_close, NULL,
+    { NULL }, serial_speed_changed, NULL,
+    NULL
+};
+
+const device_t ns16850_device = {
+    "Exar Corporation NS16850(-compatible) UART",
+    0,
+    SERIAL_16850,
+    serial_init, serial_close, NULL,
+    { NULL }, serial_speed_changed, NULL,
+    NULL
+};
+
+const device_t ns16950_device = {
+    "Oxford Semiconductor NS16950(-compatible) UART",
+    0,
+    SERIAL_16950,
+    serial_init, serial_close, NULL,
+    { NULL }, serial_speed_changed, NULL,
+    NULL
+};
diff --git a/src/include/86box/serial.h b/src/include/86box/serial.h
index 576c0c12e..25512f2c8 100644
--- a/src/include/86box/serial.h
+++ b/src/include/86box/serial.h
@@ -6,7 +6,8 @@
  *
  *		This file is part of the 86Box distribution.
  *
- *		Definitions for the NS8250/16450/16550 UART emulation.
+ *		Definitions for the NS8250/16450/16550/16650/16750/16850/16950
+ *      UART emulation.
  *
  *
  *
@@ -26,6 +27,10 @@
 #define SERIAL_8250_PCJR	1
 #define SERIAL_NS16450		2
 #define SERIAL_NS16550		3
+#define SERIAL_16650		4
+#define SERIAL_16750		5
+#define SERIAL_16850		6
+#define SERIAL_16950		7
 
 #define SERIAL_FIFO_SIZE	16
 
@@ -93,6 +98,10 @@ extern const device_t	i8250_device;
 extern const device_t	i8250_pcjr_device;
 extern const device_t	ns16450_device;
 extern const device_t	ns16550_device;
+extern const device_t	ns16650_device;
+extern const device_t	ns16750_device;
+extern const device_t	ns16850_device;
+extern const device_t	ns16950_device;
 
 
 #endif	/*EMU_SERIAL_H*/