diff --git a/src/mame/drivers/itech8.c b/src/mame/drivers/itech8.c
index 2798de2d8aa..4bed6d5c7a3 100644
--- a/src/mame/drivers/itech8.c
+++ b/src/mame/drivers/itech8.c
@@ -2469,13 +2469,13 @@ ROM_START( rimrockn )
 	ROM_LOAD( "rrbsndv11.u27", 0x08000, 0x8000, CRC(59f87f0e) SHA1(46f38aca35a7c2faee227b4c950d20a6076c6fa7) ) /* Labeled as RRBSND V1.1 U27 */
 
 	ROM_REGION( 0x100000, "grom", 0 )
-	ROM_LOAD( "grom00",       0x00000, 0x40000, CRC(3eacbad9) SHA1(bff1ec6a24ccf983434e4e9453c30f36fa397534) )
-	ROM_LOAD( "grom01",       0x40000, 0x40000, CRC(864cc269) SHA1(06f92889cd20881faeb59ec06ca1578ead2294f4) )
-	ROM_LOAD( "grom02-2.st2", 0x80000, 0x40000, CRC(47904233) SHA1(6a4d10e8f7b75582f706a74b37d59788613ffc61) )
-	ROM_LOAD( "grom03-2.st2", 0xc0000, 0x40000, CRC(f005f118) SHA1(aa39f12d07827e21eceb286557e37973e519b433) )
+	ROM_LOAD( "rbb-grom00",   0x00000, 0x40000, CRC(3eacbad9) SHA1(bff1ec6a24ccf983434e4e9453c30f36fa397534) )
+	ROM_LOAD( "rbb-grom01",   0x40000, 0x40000, CRC(864cc269) SHA1(06f92889cd20881faeb59ec06ca1578ead2294f4) )
+	ROM_LOAD( "rbb-grom02-2", 0x80000, 0x40000, CRC(47904233) SHA1(6a4d10e8f7b75582f706a74b37d59788613ffc61) )
+	ROM_LOAD( "rbb-grom03-2", 0xc0000, 0x40000, CRC(f005f118) SHA1(aa39f12d07827e21eceb286557e37973e519b433) )
 
 	ROM_REGION( 0x40000, "oki", 0 )
-	ROM_LOAD( "srom0", 0x00000, 0x40000, CRC(7ad42be0) SHA1(c9b519bad3c5c9a3315d1bf3292cc30ee0771db7) )
+	ROM_LOAD( "rbb-srom0", 0x00000, 0x40000, CRC(7ad42be0) SHA1(c9b519bad3c5c9a3315d1bf3292cc30ee0771db7) )
 
 	ROM_REGION( 0x0600, "plds", 0 )
 	ROM_LOAD( "pal16l8.u14", 0x0000, 0x0104, NO_DUMP ) /* PAL is read protected */
@@ -2499,13 +2499,13 @@ ROM_START( rimrockn20 )
 	ROM_LOAD( "rrbsndv11.u27", 0x08000, 0x8000, CRC(59f87f0e) SHA1(46f38aca35a7c2faee227b4c950d20a6076c6fa7) ) /* Labeled as RRBSND V1.1 U27 */
 
 	ROM_REGION( 0x100000, "grom", 0 )
-	ROM_LOAD( "grom00",       0x00000, 0x40000, CRC(3eacbad9) SHA1(bff1ec6a24ccf983434e4e9453c30f36fa397534) )
-	ROM_LOAD( "grom01",       0x40000, 0x40000, CRC(864cc269) SHA1(06f92889cd20881faeb59ec06ca1578ead2294f4) )
-	ROM_LOAD( "grom02-2.st2", 0x80000, 0x40000, CRC(47904233) SHA1(6a4d10e8f7b75582f706a74b37d59788613ffc61) )
-	ROM_LOAD( "grom03-2.st2", 0xc0000, 0x40000, CRC(f005f118) SHA1(aa39f12d07827e21eceb286557e37973e519b433) )
+	ROM_LOAD( "rbb-grom00",   0x00000, 0x40000, CRC(3eacbad9) SHA1(bff1ec6a24ccf983434e4e9453c30f36fa397534) )
+	ROM_LOAD( "rbb-grom01",   0x40000, 0x40000, CRC(864cc269) SHA1(06f92889cd20881faeb59ec06ca1578ead2294f4) )
+	ROM_LOAD( "rbb-grom02-2", 0x80000, 0x40000, CRC(47904233) SHA1(6a4d10e8f7b75582f706a74b37d59788613ffc61) )
+	ROM_LOAD( "rbb-grom03-2", 0xc0000, 0x40000, CRC(f005f118) SHA1(aa39f12d07827e21eceb286557e37973e519b433) )
 
 	ROM_REGION( 0x40000, "oki", 0 )
-	ROM_LOAD( "srom0", 0x00000, 0x40000, CRC(7ad42be0) SHA1(c9b519bad3c5c9a3315d1bf3292cc30ee0771db7) )
+	ROM_LOAD( "rbb-srom0", 0x00000, 0x40000, CRC(7ad42be0) SHA1(c9b519bad3c5c9a3315d1bf3292cc30ee0771db7) )
 ROM_END
 
 
@@ -2524,13 +2524,13 @@ ROM_START( rimrockn16 )
 	ROM_LOAD( "rrbsndv11.u27", 0x08000, 0x8000, CRC(59f87f0e) SHA1(46f38aca35a7c2faee227b4c950d20a6076c6fa7) ) /* Labeled as RRBSND V1.1 U27 */
 
 	ROM_REGION( 0x100000, "grom", 0 )
-	ROM_LOAD( "grom00", 0x00000, 0x40000, CRC(3eacbad9) SHA1(bff1ec6a24ccf983434e4e9453c30f36fa397534) )
-	ROM_LOAD( "grom01", 0x40000, 0x40000, CRC(864cc269) SHA1(06f92889cd20881faeb59ec06ca1578ead2294f4) )
-	ROM_LOAD( "grom02", 0x80000, 0x40000, CRC(34e567d5) SHA1(d0eb6fd0da8b9c3bfe7d4ecfb4bd903e4926b63a) )
-	ROM_LOAD( "grom03", 0xc0000, 0x40000, CRC(fd18045d) SHA1(a1b98e4a2aa6f3cd33a3e2f5744160e05cc9f8d1) )
+	ROM_LOAD( "rbb-grom00", 0x00000, 0x40000, CRC(3eacbad9) SHA1(bff1ec6a24ccf983434e4e9453c30f36fa397534) )
+	ROM_LOAD( "rbb-grom01", 0x40000, 0x40000, CRC(864cc269) SHA1(06f92889cd20881faeb59ec06ca1578ead2294f4) )
+	ROM_LOAD( "rbb-grom02", 0x80000, 0x40000, CRC(34e567d5) SHA1(d0eb6fd0da8b9c3bfe7d4ecfb4bd903e4926b63a) )
+	ROM_LOAD( "rbb-grom03", 0xc0000, 0x40000, CRC(fd18045d) SHA1(a1b98e4a2aa6f3cd33a3e2f5744160e05cc9f8d1) )
 
 	ROM_REGION( 0x40000, "oki", 0 )
-	ROM_LOAD( "srom0", 0x00000, 0x40000, CRC(7ad42be0) SHA1(c9b519bad3c5c9a3315d1bf3292cc30ee0771db7) )
+	ROM_LOAD( "rbb-srom0", 0x00000, 0x40000, CRC(7ad42be0) SHA1(c9b519bad3c5c9a3315d1bf3292cc30ee0771db7) )
 ROM_END
 
 
@@ -2549,13 +2549,13 @@ ROM_START( rimrockn12 )
 	ROM_LOAD( "rrbsndv1.u27", 0x08000, 0x8000, CRC(8eda5f53) SHA1(f256544a8c87125587719460ed0fef14efef9015) )
 
 	ROM_REGION( 0x100000, "grom", 0 )
-	ROM_LOAD( "grom00", 0x00000, 0x40000, CRC(3eacbad9) SHA1(bff1ec6a24ccf983434e4e9453c30f36fa397534) )
-	ROM_LOAD( "grom01", 0x40000, 0x40000, CRC(864cc269) SHA1(06f92889cd20881faeb59ec06ca1578ead2294f4) )
-	ROM_LOAD( "grom02", 0x80000, 0x40000, CRC(34e567d5) SHA1(d0eb6fd0da8b9c3bfe7d4ecfb4bd903e4926b63a) )
-	ROM_LOAD( "grom03", 0xc0000, 0x40000, CRC(fd18045d) SHA1(a1b98e4a2aa6f3cd33a3e2f5744160e05cc9f8d1) )
+	ROM_LOAD( "rbb-grom00", 0x00000, 0x40000, CRC(3eacbad9) SHA1(bff1ec6a24ccf983434e4e9453c30f36fa397534) )
+	ROM_LOAD( "rbb-grom01", 0x40000, 0x40000, CRC(864cc269) SHA1(06f92889cd20881faeb59ec06ca1578ead2294f4) )
+	ROM_LOAD( "rbb-grom02", 0x80000, 0x40000, CRC(34e567d5) SHA1(d0eb6fd0da8b9c3bfe7d4ecfb4bd903e4926b63a) )
+	ROM_LOAD( "rbb-grom03", 0xc0000, 0x40000, CRC(fd18045d) SHA1(a1b98e4a2aa6f3cd33a3e2f5744160e05cc9f8d1) )
 
 	ROM_REGION( 0x40000, "oki", 0 )
-	ROM_LOAD( "srom0", 0x00000, 0x40000, CRC(7ad42be0) SHA1(c9b519bad3c5c9a3315d1bf3292cc30ee0771db7) )
+	ROM_LOAD( "rbb-srom0", 0x00000, 0x40000, CRC(7ad42be0) SHA1(c9b519bad3c5c9a3315d1bf3292cc30ee0771db7) )
 ROM_END