diff --git a/src/devices/bus/ss50/mps2.cpp b/src/devices/bus/ss50/mps2.cpp
index 98441500009..68d0807071c 100644
--- a/src/devices/bus/ss50/mps2.cpp
+++ b/src/devices/bus/ss50/mps2.cpp
@@ -64,35 +64,35 @@ private:
 static INPUT_PORTS_START( mps2 )
 	PORT_START("tx_baud_upper")
 	PORT_DIPNAME(0x1f, 0x1d, "Upper TX Baud Rate")
-	PORT_DIPSETTING(0x1d, "9600")
-	PORT_DIPSETTING(0x17, "4800")
-	PORT_DIPSETTING(0x0f, "1200")
-	PORT_DIPSETTING(0x1b, "300")
-	PORT_DIPSETTING(0x1e, "110")
+	PORT_DIPSETTING(0x1d, "9600 / 38400")
+	PORT_DIPSETTING(0x17, "4800 / 9600")
+	PORT_DIPSETTING(0x0f, "1200 / 2400")
+	PORT_DIPSETTING(0x1b, "300 / 600")
+	PORT_DIPSETTING(0x1e, "110 / 220")
 
 	PORT_START("rx_baud_upper")
 	PORT_DIPNAME(0x1f, 0x1d, "Upper RX Baud Rate")
-	PORT_DIPSETTING(0x1d, "9600")
-	PORT_DIPSETTING(0x17, "4800")
-	PORT_DIPSETTING(0x0f, "1200")
-	PORT_DIPSETTING(0x1b, "300")
-	PORT_DIPSETTING(0x1e, "110")
+	PORT_DIPSETTING(0x1d, "9600 / 38400")
+	PORT_DIPSETTING(0x17, "4800 / 9600")
+	PORT_DIPSETTING(0x0f, "1200 / 2400")
+	PORT_DIPSETTING(0x1b, "300 / 600")
+	PORT_DIPSETTING(0x1e, "110 / 220")
 
 	PORT_START("tx_baud_lower")
 	PORT_DIPNAME(0x1f, 0x1d, "Lower TX Baud Rate")
-	PORT_DIPSETTING(0x1d, "9600")
-	PORT_DIPSETTING(0x17, "4800")
-	PORT_DIPSETTING(0x0f, "1200")
-	PORT_DIPSETTING(0x1b, "300")
-	PORT_DIPSETTING(0x1e, "110")
+	PORT_DIPSETTING(0x1d, "9600 / 38400")
+	PORT_DIPSETTING(0x17, "4800 / 9600")
+	PORT_DIPSETTING(0x0f, "1200 / 2400")
+	PORT_DIPSETTING(0x1b, "300 / 600")
+	PORT_DIPSETTING(0x1e, "110 / 220")
 
 	PORT_START("rx_baud_lower")
 	PORT_DIPNAME(0x1f, 0x1d, "Lower RX Baud Rate")
-	PORT_DIPSETTING(0x1d, "9600")
-	PORT_DIPSETTING(0x17, "4800")
-	PORT_DIPSETTING(0x0f, "1200")
-	PORT_DIPSETTING(0x1b, "300")
-	PORT_DIPSETTING(0x1e, "110")
+	PORT_DIPSETTING(0x1d, "9600 / 38400")
+	PORT_DIPSETTING(0x17, "4800 / 9600")
+	PORT_DIPSETTING(0x0f, "1200 / 2400")
+	PORT_DIPSETTING(0x1b, "300 / 600")
+	PORT_DIPSETTING(0x1e, "110 / 220")
 INPUT_PORTS_END