diff --git a/src/mame/drivers/darkseal.c b/src/mame/drivers/darkseal.c
index cd382f78d32..17379f137f3 100644
--- a/src/mame/drivers/darkseal.c
+++ b/src/mame/drivers/darkseal.c
@@ -7,6 +7,8 @@
     Dark Seal (Rev 4)    (c) 1990 Data East Corporation (Japanese version)
     Gate Of Doom (Rev 4) (c) 1990 Data East Corporation (USA version)
     Gate of Doom (Rev 1) (c) 1990 Data East Corporation (USA version)
+  
+    Board:  DE-0332-2
 
     Emulation by Bryan McPhail, mish@tendril.co.uk
 
@@ -225,11 +227,11 @@ GFXDECODE_END
 static MACHINE_CONFIG_START( darkseal, darkseal_state )
 
 	/* basic machine hardware */
-	MCFG_CPU_ADD("maincpu", M68000,12000000) /* Custom chip 59 */
+	MCFG_CPU_ADD("maincpu", M68000, XTAL_24MHz/2) /* Custom chip 59 */
 	MCFG_CPU_PROGRAM_MAP(darkseal_map)
 	MCFG_CPU_VBLANK_INT_DRIVER("screen", darkseal_state,  irq6_line_hold)/* VBL */
 
-	MCFG_CPU_ADD("audiocpu", H6280, 32220000/4) /* Custom chip 45, Audio section crystal is 32.220 MHz */
+	MCFG_CPU_ADD("audiocpu", H6280, XTAL_32_22MHz/4) /* Custom chip 45, Audio section crystal is 32.220 MHz */
 	MCFG_CPU_PROGRAM_MAP(sound_map)
 
 	/* video hardware */
@@ -283,18 +285,18 @@ static MACHINE_CONFIG_START( darkseal, darkseal_state )
 	/* sound hardware */
 	MCFG_SPEAKER_STANDARD_MONO("mono")
 
-	MCFG_SOUND_ADD("ym1", YM2203, 32220000/8)
+	MCFG_SOUND_ADD("ym1", YM2203, XTAL_32_22MHz/8)
 	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.45)
 
-	MCFG_YM2151_ADD("ym2", 32220000/9)
+	MCFG_YM2151_ADD("ym2", XTAL_32_22MHz/9)
 	MCFG_YM2151_IRQ_HANDLER(INPUTLINE("audiocpu", 1)) // IRQ2
 	MCFG_SOUND_ROUTE(0, "mono", 0.55)
 	MCFG_SOUND_ROUTE(1, "mono", 0.55)
 
-	MCFG_OKIM6295_ADD("oki1", 32220000/32, OKIM6295_PIN7_HIGH)
+	MCFG_OKIM6295_ADD("oki1", XTAL_32_22MHz/32, OKIM6295_PIN7_HIGH)
 	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
 
-	MCFG_OKIM6295_ADD("oki2", 32220000/16, OKIM6295_PIN7_HIGH)
+	MCFG_OKIM6295_ADD("oki2", XTAL_32_22MHz/16, OKIM6295_PIN7_HIGH)
 	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.60)
 MACHINE_CONFIG_END
 
@@ -333,17 +335,17 @@ ROM_END
 
 ROM_START( darkseal1 )
 	ROM_REGION( 0x80000, "maincpu", 0 ) /* 68000 code */
-	ROM_LOAD16_BYTE( "ga_04.j12", 0x00000, 0x20000, CRC(a1a985a9) SHA1(eac3f43ff4016dcc21fe34b6bfed36e0d4b86959) )
-	ROM_LOAD16_BYTE( "ga_01.h14", 0x00001, 0x20000, CRC(98bd2940) SHA1(88ac727c3797e646834266320a71aa159e2b2541) )
-	ROM_LOAD16_BYTE( "ga_00.h12", 0x40000, 0x20000, CRC(fbf3ac63) SHA1(51af581ee951eedeb4aa413ecbebe8bf4d30613b) )
-	ROM_LOAD16_BYTE( "ga_05.j14", 0x40001, 0x20000, CRC(d5e3ae3f) SHA1(12f6e92af115422c6ab6ef1d33675d1e1cd58e10) )
+	ROM_LOAD16_BYTE( "FZ_04-4.J12", 0x00000, 0x20000, CRC(a1a985a9) SHA1(eac3f43ff4016dcc21fe34b6bfed36e0d4b86959) )
+	ROM_LOAD16_BYTE( "FZ_01-1.H14", 0x00001, 0x20000, CRC(98bd2940) SHA1(88ac727c3797e646834266320a71aa159e2b2541) )
+	ROM_LOAD16_BYTE( "FZ_00-2.H12", 0x40000, 0x20000, CRC(fbf3ac63) SHA1(51af581ee951eedeb4aa413ecbebe8bf4d30613b) )
+	ROM_LOAD16_BYTE( "FZ_05-2.J14", 0x40001, 0x20000, CRC(d5e3ae3f) SHA1(12f6e92af115422c6ab6ef1d33675d1e1cd58e10) )
 
 	ROM_REGION( 0x10000, "audiocpu", 0 )    /* Sound CPU */
-	ROM_LOAD( "fz_06-1.j15", 0x00000, 0x10000, CRC(c4828a6d) SHA1(fbfd0c85730bbe18401879cd68c19aaec9d482d8) )
+	ROM_LOAD( "FZ_06-1.J15", 0x00000, 0x10000, CRC(c4828a6d) SHA1(fbfd0c85730bbe18401879cd68c19aaec9d482d8) )
 
 	ROM_REGION( 0x020000, "gfx1", 0 )
-	ROM_LOAD( "fz_02.j1", 0x000000, 0x10000, CRC(3c9c3012) SHA1(086c2123725d4aa32838c0b6c82317d9c789c465) ) /* chars */
-	ROM_LOAD( "fz_03.j2", 0x010000, 0x10000, CRC(264b90ed) SHA1(0bb1557673107c2d732a9374d5601a6eaf229473) )
+	ROM_LOAD( "FZ_02-1.J1", 0x000000, 0x10000, CRC(3c9c3012) SHA1(086c2123725d4aa32838c0b6c82317d9c789c465) ) /* chars */
+	ROM_LOAD( "FZ_03-1.J2", 0x010000, 0x10000, CRC(264b90ed) SHA1(0bb1557673107c2d732a9374d5601a6eaf229473) )
 
 	ROM_REGION( 0x080000, "gfx2", 0 )
 	ROM_LOAD( "mac-03.h3", 0x000000, 0x80000, CRC(9996f3dc) SHA1(fffd9ecfe142a0c7c3c9c521778ff9c55ea8b225) ) /* tiles 1 */
@@ -356,10 +358,10 @@ ROM_START( darkseal1 )
 	ROM_LOAD( "mac-01.b3", 0x080000, 0x80000, CRC(b28f7584) SHA1(e02ddd45130a7b50f80b6dd049059dba8071d768) )
 
 	ROM_REGION( 0x40000, "oki1", 0 )    /* ADPCM samples */
-	ROM_LOAD( "fz_08.l17", 0x00000, 0x20000, CRC(c9bf68e1) SHA1(c81e2534a814fe44c8787946a9fbe18f1743c3b4) )
+	ROM_LOAD( "FZ_08-1.K17", 0x00000, 0x20000, CRC(c9bf68e1) SHA1(c81e2534a814fe44c8787946a9fbe18f1743c3b4) )
 
 	ROM_REGION( 0x40000, "oki2", 0 )    /* ADPCM samples */
-	ROM_LOAD( "fz_07.k14", 0x00000, 0x20000, CRC(588dd3cb) SHA1(16c4e7670a4967768ddbfd52939d4e6e42268441) )
+	ROM_LOAD( "FZ_07-.K14", 0x00000, 0x20000, CRC(588dd3cb) SHA1(16c4e7670a4967768ddbfd52939d4e6e42268441) )
 ROM_END
 
 ROM_START( darksealj )