diff --git a/src/mame/drivers/trackfld.c b/src/mame/drivers/trackfld.c
index 1e5e0a851c0..fcc63a27a1f 100644
--- a/src/mame/drivers/trackfld.c
+++ b/src/mame/drivers/trackfld.c
@@ -505,7 +505,7 @@ static INPUT_PORTS_START( wizzquiz )
 	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )
 
 	PORT_START("DSW1")
-	PORT_DIPNAME( 0x0f, 0x0f, DEF_STR( Coin_A ) )
+	PORT_DIPNAME( 0x0f, 0x0f, DEF_STR( Coin_A ) )	PORT_DIPLOCATION("SW1:1,2,3,4")
 	PORT_DIPSETTING(    0x02, DEF_STR( 4C_1C ) )
 	PORT_DIPSETTING(    0x05, DEF_STR( 3C_1C ) )
 	PORT_DIPSETTING(    0x08, DEF_STR( 2C_1C ) )
@@ -523,7 +523,7 @@ static INPUT_PORTS_START( wizzquiz )
 	PORT_DIPSETTING(    0x09, DEF_STR( 1C_7C ) )
 	PORT_DIPSETTING(    0x00, DEF_STR( Free_Play ) )	PORT_CONDITION("DSW1", 0xf0, PORTCOND_EQUALS, 0x00)
 	PORT_DIPSETTING(    0x00, "No Coin A" )				PORT_CONDITION("DSW1", 0xf0, PORTCOND_NOTEQUALS, 0x00)
-	PORT_DIPNAME( 0xf0, 0xf0, DEF_STR( Coin_B ) )
+	PORT_DIPNAME( 0xf0, 0xf0, DEF_STR( Coin_B ) )	PORT_DIPLOCATION("SW1:5,6,7,8")
 	PORT_DIPSETTING(    0x20, DEF_STR( 4C_1C ) )
 	PORT_DIPSETTING(    0x50, DEF_STR( 3C_1C ) )
 	PORT_DIPSETTING(    0x80, DEF_STR( 2C_1C ) )
@@ -544,29 +544,23 @@ static INPUT_PORTS_START( wizzquiz )
 	/* No Coin X = coin slot X open (coins produce sound), but no effect on coin counter */
 
 	PORT_START("DSW2")
-	PORT_DIPNAME( 0x03, 0x03, DEF_STR( Lives ) )
+	PORT_DIPNAME( 0x03, 0x03, DEF_STR( Lives ) )	PORT_DIPLOCATION("SW2:1,2")
 	PORT_DIPSETTING(    0x03, "3" )
 	PORT_DIPSETTING(    0x02, "4" )
 	PORT_DIPSETTING(    0x01, "5" )
 	PORT_DIPSETTING(    0x00, "6" )
-	PORT_DIPNAME( 0x04, 0x04, DEF_STR( Unknown ) )
-	PORT_DIPSETTING(    0x04, DEF_STR( Off ) )
-	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
-	PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) )
-	PORT_DIPSETTING(    0x08, DEF_STR( Off ) )
-	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
-	PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) )
-	PORT_DIPSETTING(    0x10, DEF_STR( Off ) )
-	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
-	PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) )
-	PORT_DIPSETTING(    0x20, DEF_STR( Off ) )
-	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
-	PORT_DIPNAME( 0x40, 0x40, "Show Correct Answer" )
+	PORT_DIPNAME( 0x04, 0x04, DEF_STR( Bonus_Life ) )	PORT_DIPLOCATION("SW2:3")
+	PORT_DIPSETTING(    0x00, "8,000 Points" )
+	PORT_DIPSETTING(    0x04, "10,000 Points" )
+	PORT_DIPUNUSED_DIPLOC( 0x0008, 0x0008, "SW2:4" ) /* Listed as "not used" */
+	PORT_DIPUNUSED_DIPLOC( 0x0010, 0x0010, "SW2:5" ) /* Listed as "not used" */
+	PORT_DIPUNUSED_DIPLOC( 0x0020, 0x0020, "SW2:6" ) /* Listed as "not used" */
+	PORT_DIPNAME( 0x40, 0x40, "Show Correct Answer" )	PORT_DIPLOCATION("SW2:7")
 	PORT_DIPSETTING(    0x40, DEF_STR( No ) )
 	PORT_DIPSETTING(    0x00, DEF_STR( Yes ) )
-	PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) )
-	PORT_DIPSETTING(    0x80, DEF_STR( Off ) )
-	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
+	PORT_DIPNAME( 0x80, 0x80, "Credit Limit" )	PORT_DIPLOCATION("SW2:8")
+	PORT_DIPSETTING(    0x80, "99 Credits" )
+	PORT_DIPSETTING(    0x00, "9 Credits" )
 INPUT_PORTS_END
 
 static INPUT_PORTS_START( reaktor )