diff --git a/src/mame/drivers/naomi.c b/src/mame/drivers/naomi.c
index faf7308ae55..94be2d545e8 100644
--- a/src/mame/drivers/naomi.c
+++ b/src/mame/drivers/naomi.c
@@ -2916,6 +2916,20 @@ ROM_START( shikgam2 )
 	ROM_LOAD("317-5095-jpn.data", 0x00, 0x50, CRC(6033ec89) SHA1(9e99a8ad43fa29296dbf2e13b3a3d4552130b4e8) )
 ROM_END
 
+ROM_START( bdrdown )
+	NAOMIGD_BIOS
+
+	ROM_REGION( 0x10000000, "user1", ROMREGION_ERASE) // allocate max size in init instead?
+
+	DISK_REGION( "gdrom" )
+	DISK_IMAGE_READONLY( "gdl-0023a", 0, SHA1(caac915104d61f2122f5afe27da1ef5fa9cf9f9a) )
+
+	ROM_REGION( 0x50, "picreturn", ROMREGION_ERASE)
+	//PIC16C622A (317-5097-JPN)
+	//(sticker 253-5509-5097J)
+	ROM_LOAD("gdl-0023a.bin", 0x00, 0x50, CRC(e689d047) SHA1(7e3e298d9a8076af0254faeb0eb89fbfce94718d) )
+ROM_END
+
 
 ROM_START( meltybld )
 	NAOMIGD_BIOS
@@ -3124,6 +3138,20 @@ ROM_START( monkeyba )
 	ROM_LOAD("317-0307-com.data", 0x00, 0x50, CRC(448bedc7) SHA1(092dbe5e28890d3ee40d62ca8cbf225c3ce90304) )
 ROM_END
 
+ROM_START( luptype )
+	NAOMIGD_BIOS
+
+	ROM_REGION( 0x10000000, "user1", ROMREGION_ERASE) // allocate max size in init instead?
+
+	DISK_REGION( "gdrom" )
+	DISK_IMAGE_READONLY( "gds-0021a", 0,  SHA1(15c6f9434494a31693cbb8e33da36e0e8a8f7c62) )
+
+	ROM_REGION( 0x50, "picreturn", ROMREGION_ERASE)
+	//PIC16C622A (317-0332-JPN)
+	//(sticker 253-5508-0332J)
+	ROM_LOAD("gds-0021a.bin", 0x00, 0x50, CRC(ab302661) SHA1(65164cf76d78b281772bfcbf5a733b0200e86e09) )
+ROM_END
+
 /*
 Title	THE_MAZE_OF_THE_KINGS
 Media ID	E3D0
@@ -3220,6 +3248,7 @@ GAME( 2002, chocomk,   naomigd,  naomigd,  naomi,    0,   ROT0,   "Ecole Softwar
 GAME( 2002, quizqgd,   naomigd,  naomigd,  naomi,    0,   ROT0,   "Amedio",       "Quiz Keitai Q mode (GDL-0017)", GAME_NO_SOUND|GAME_NOT_WORKING )
 GAME( 2003, ggxxrl,    naomigd,  naomigd,  naomi,    0,   ROT0,   "Arc System Works",       "Guilty Gear XX #Reload (GDL-0019A)", GAME_NO_SOUND|GAME_NOT_WORKING )
 GAME( 2003, shikgam2,  naomigd,  naomigd,  naomi,    0,   ROT0,   "Alpha System", "Shikigami No Shiro II / The Castle of Shikigami II (GDL-0021)", GAME_NO_SOUND|GAME_NOT_WORKING )
+GAME( 2004, bdrdown,   naomigd,  naomigd,  naomi,    0,   ROT0,   "G-Rev",        "Border Down (GDL-0023A)", GAME_NO_SOUND|GAME_NOT_WORKING )
 GAME( 2004, meltybld,  naomigd,  naomigd,  naomi,    0,   ROT0,   "Ecole",        "Melty Blood Act Cadenza (GDL-0028C)", GAME_NO_SOUND|GAME_NOT_WORKING )
 GAME( 2005, senko,     naomigd,  naomigd,  naomi,    0,   ROT0,   "Grev",         "Senko No Ronde (GDL-0030A)", GAME_NO_SOUND|GAME_NOT_WORKING )
 GAME( 2005, ss2005,    naomigd,  naomigd,  naomi,    0,   ROT0,   "Starfish",     "Super Shanghai 2005 (GDL-0031A)", GAME_NO_SOUND|GAME_NOT_WORKING )
@@ -3233,6 +3262,7 @@ GAME( 2001, wsbbgd,    naomigd,  naomigd,  naomi,    0,  ROT0, "Sega",
 GAME( 2002, vathlete,  naomigd,  naomigd,  naomi,    0,  ROT0, "Sega",          "Virtua Athletics / Virtua Athlete (GDS-0019)", GAME_NO_SOUND|GAME_NOT_WORKING )
 GAME( 2001, vtennis2,  naomigd,  naomigd,  naomi,    0,  ROT0, "Sega",          "Virtua Tennis 2 (GDS-0015a)", GAME_NO_SOUND|GAME_NOT_WORKING ) // bad key
 GAME( 2001, monkeyba,  naomigd,  naomigd,  naomi,    0,  ROT0, "Sega",          "Monkey Ball (GDS-0008)", GAME_NO_SOUND|GAME_NOT_WORKING )
+GAME( 2002, luptype,   naomigd,  naomigd,  naomi,    0,  ROT0, "Sega",          "Lupin The Third - The Typing (GDS-0021A)", GAME_NO_SOUND|GAME_NOT_WORKING )
 GAME( 2002, mok,       naomigd,  naomigd,  naomi,    0,  ROT0, "Sega",          "The Maze of the Kings (GDS-0022)", GAME_NO_SOUND|GAME_NOT_WORKING )
 GAME( 2001, lupinsho,  naomigd,  naomigd,  naomi,    0,  ROT0, "Sega",          "Lupin The Third - The Shooting (GDS-0018)", GAME_NO_SOUND|GAME_NOT_WORKING )
 GAME( 2001, confmiss,  naomigd,  naomigd,  naomi,    0,  ROT0, "Sega",          "Confidential Mission (GDS-0001)", GAME_NO_SOUND|GAME_NOT_WORKING )
diff --git a/src/mame/mamedriv.c b/src/mame/mamedriv.c
index 3beac12de9f..5c4f2746903 100644
--- a/src/mame/mamedriv.c
+++ b/src/mame/mamedriv.c
@@ -4217,7 +4217,7 @@ BOMULEUL CHAJARA SEGA ST-V  1997/04/11
 						/* 2000.02 Touch de UNO! 2 */
 	DRIVER( virnba )	/* 2000.02 Virtua NBA */
 	DRIVER( smarinef )	/* 2000.03 Sega Marine Fishing */
-						/* 2000.03 Marble vs. Capcom 2 */
+						/* 2000.03 Marvel vs. Capcom 2 */
 						/* 2000.03 World Kicks */
 	DRIVER( pstone2 )	/* 2000.04 Power Stone 2 */
 						/* 2000.04 Shin Nippon Pro-wres Toukon Retsuden 4 */
@@ -4278,7 +4278,7 @@ BOMULEUL CHAJARA SEGA ST-V  1997/04/11
 						/* 2002.02 The King of Route 66 */
 	DRIVER( initd )		/* 2002.03 Initial D Arcade Stage (Naomi 2) */
 	DRIVER( vathlete )	/* 2002.03 Virtua Athlete */
-						/* 2002.04 Lupin the Third the Typing */
+	DRIVER( luptype )	/* 2002.04 Lupin the Third the Typing */
 	DRIVER( ggxx )		/* 2002.05 Guilty Gear XX */
 						/* 2002.05 Cleopatra Fortune + */
 	DRIVER( mok )		/* 2002.05 The Maze of the Kings */
@@ -4296,7 +4296,7 @@ BOMULEUL CHAJARA SEGA ST-V  1997/04/11
 						/* 2003.03 WCCF 2001-2002 ver.2.0 */
 	DRIVER( ggxxrl )	/* 2003.03 Guilty Gear XX # Reload */
 	DRIVER( shikgam2 )	/* 2003.04 Shikigami no Shiro 2 */
-						/* 2003.04 Border Down */
+	DRIVER( bdrdown )	/* 2003.04 Border Down */
 						/* 2003.09 WCCF 2002-2003 */
 						/* 2003.11 Psyvariar 2 */
 						/* 2003.11 Puyopuyo Fever */