diff --git a/src/mame/drivers/pacman.cpp b/src/mame/drivers/pacman.cpp
index 45c6caf52ff..d2736de13d6 100644
--- a/src/mame/drivers/pacman.cpp
+++ b/src/mame/drivers/pacman.cpp
@@ -3329,28 +3329,26 @@ static INPUT_PORTS_START( pengojpm )
 	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_COCKTAIL
 
 	PORT_START("DSW1")
-	PORT_DIPNAME( 0x01, 0x01, DEF_STR( Unknown ) )
-	PORT_DIPSETTING(    0x01, DEF_STR( Off ) )
-	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
-	PORT_DIPNAME( 0x02, 0x02, DEF_STR( Unknown ) )
-	PORT_DIPSETTING(    0x02, DEF_STR( Off ) )
-	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
-	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( 0x01, 0x00, DEF_STR( Bonus_Life ) )
+	PORT_DIPSETTING(    0x01, "50000" )
+	PORT_DIPSETTING(    0x00, "30000" )
+	PORT_DIPNAME( 0x06, 0x04, DEF_STR( Lives ) )
+	PORT_DIPSETTING(    0x06, "2" )
+	PORT_DIPSETTING(    0x04, "3" )
+	PORT_DIPSETTING(    0x02, "4" )
+	PORT_DIPSETTING(    0x00, "5" )
+	PORT_DIPNAME( 0x18, 0x18, DEF_STR( Coinage ) )
+	PORT_DIPSETTING(    0x08, DEF_STR( 3C_1C ) )
+	PORT_DIPSETTING(    0x10, DEF_STR( 2C_1C ) )
+	PORT_DIPSETTING(    0x18, DEF_STR( 1C_1C ) )
+	PORT_DIPSETTING(    0x00, DEF_STR( 1C_2C ) )
 	PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) )
 	PORT_DIPSETTING(    0x20, DEF_STR( Off ) )
 	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
-	PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) )
+	PORT_DIPNAME( 0x40, 0x00, DEF_STR( Demo_Sounds ) )
 	PORT_DIPSETTING(    0x40, DEF_STR( Off ) )
 	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
-	PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) )
+	PORT_DIPNAME( 0x80, 0x80, "Rack Test (Cheat)" ) PORT_CODE(KEYCODE_F1)
 	PORT_DIPSETTING(    0x80, DEF_STR( Off ) )
 	PORT_DIPSETTING(    0x00, DEF_STR( On ) )