diff --git a/src/mame/drivers/galaxian.cpp b/src/mame/drivers/galaxian.cpp
index e76fc3ed45e..91ebcbea6e8 100644
--- a/src/mame/drivers/galaxian.cpp
+++ b/src/mame/drivers/galaxian.cpp
@@ -5107,38 +5107,26 @@ static INPUT_PORTS_START( thepitm )
 	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_COCKTAIL
 	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_COCKTAIL
 	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_COCKTAIL
-	PORT_DIPNAME( 0x40, 0x00, DEF_STR( Unknown ) ) // turning both of these on boots with 9 credits?
-	PORT_DIPSETTING(    0x00, DEF_STR( Off ) )
-	PORT_DIPSETTING(    0x40, DEF_STR( On ) )
-	PORT_DIPNAME( 0x80, 0x00, DEF_STR( Unknown ) )
-	PORT_DIPSETTING(    0x00, DEF_STR( Off ) )
-	PORT_DIPSETTING(    0x80, DEF_STR( On ) )
+	PORT_DIPNAME( 0xc0, 0x00, DEF_STR( Coinage ) )
+	PORT_DIPSETTING(    0x00, DEF_STR( 1C_1C ) )
+	PORT_DIPSETTING(    0x80, DEF_STR( 3C_2C ) )
+	PORT_DIPSETTING(    0x40, DEF_STR( 2C_1C ) )
+	PORT_DIPSETTING(    0xc0, DEF_STR( Free_Play ) )
 
 	PORT_START("IN2")
-	PORT_DIPNAME( 0x01, 0x00, DEF_STR( Unknown ) )
-	PORT_DIPSETTING(    0x00, DEF_STR( Off ) )
-	PORT_DIPSETTING(    0x01, DEF_STR( On ) )
-	PORT_DIPNAME( 0x02, 0x00, DEF_STR( Unknown ) )
-	PORT_DIPSETTING(    0x00, DEF_STR( Off ) )
-	PORT_DIPSETTING(    0x02, DEF_STR( On ) )
+	PORT_DIPNAME( 0x01, 0x00, "Game Speed" )
+	PORT_DIPSETTING(    0x00, "Slow" )
+	PORT_DIPSETTING(    0x01, "Fast" )
+	PORT_DIPNAME( 0x02, 0x00, "Time Limit" )
+	PORT_DIPSETTING(    0x00, "Long" )
+	PORT_DIPSETTING(    0x02, "Short" )
 	PORT_DIPNAME( 0x04, 0x00, DEF_STR( Flip_Screen ) )
 	PORT_DIPSETTING(    0x00, DEF_STR( Off ) )
 	PORT_DIPSETTING(    0x04, DEF_STR( On ) )
 	PORT_DIPNAME( 0x08, 0x00, DEF_STR( Cabinet ) )
 	PORT_DIPSETTING(    0x00, DEF_STR( Upright ) )
 	PORT_DIPSETTING(    0x08, DEF_STR( Cocktail ) )
-	PORT_DIPNAME( 0x10, 0x00, DEF_STR( Unknown ) )
-	PORT_DIPSETTING(    0x00, DEF_STR( Off ) )
-	PORT_DIPSETTING(    0x10, DEF_STR( On ) )
-	PORT_DIPNAME( 0x20, 0x00, DEF_STR( Unknown ) )
-	PORT_DIPSETTING(    0x00, DEF_STR( Off ) )
-	PORT_DIPSETTING(    0x20, DEF_STR( On ) )
-	PORT_DIPNAME( 0x40, 0x00, DEF_STR( Unknown ) )
-	PORT_DIPSETTING(    0x00, DEF_STR( Off ) )
-	PORT_DIPSETTING(    0x40, DEF_STR( On ) )
-	PORT_DIPNAME( 0x80, 0x00, DEF_STR( Unknown ) )
-	PORT_DIPSETTING(    0x00, DEF_STR( Off ) )
-	PORT_DIPSETTING(    0x80, DEF_STR( On ) )
+	PORT_BIT( 0xf0, IP_ACTIVE_HIGH, IPT_UNUSED )
 INPUT_PORTS_END