diff --git a/src/mame/drivers/midzeus.c b/src/mame/drivers/midzeus.c
index 7e9d1cc2814..e4f5bfa00b3 100644
--- a/src/mame/drivers/midzeus.c
+++ b/src/mame/drivers/midzeus.c
@@ -22,6 +22,9 @@ Cruis'n Exotica  v2.4   08/23/2000
 Invasion         v5.0   12/14/1999
 The Grid         v1.2   10/18/2000
 
+Known to exist, but currently not dumped:
+  Cruis'n Exotica Version 1.3  Fri Feb 11, 2000  16:19:13
+
 **************************************************************************/
 
 #include "emu.h"
@@ -1268,8 +1271,8 @@ ROM_START( crusnexo )
 	ROM_REGION32_LE( 0x0800000, "user1", 0 )
 	ROM_LOAD32_WORD( "exotica-24.u10", 0x0000000, 0x200000, CRC(5e702f7c) SHA1(98c76fb46b304d4d21656d0505d5e5e99c8335bf) ) /* Version 2.4  Wed Aug 23, 2000  17:26:53 */
 	ROM_LOAD32_WORD( "exotica-24.u11", 0x0000002, 0x200000, CRC(5ecb2cbc) SHA1(57283167e48ca96579d0712d9fec23a36fa2b496) )
-	ROM_LOAD32_WORD( "exotica-10.u12", 0x0400000, 0x200000, CRC(21f122b2) SHA1(5473401ec954bf9ab66a8283bd08d17c7960cd29) ) /* U12 & U13 should be v1.6 */
-	ROM_LOAD32_WORD( "exotica-10.u13", 0x0400002, 0x200000, CRC(cf9d3609) SHA1(6376891f478185d26370466bef92f0c5304d58d3) )
+	ROM_LOAD32_WORD( "exotica-10.u12", 0x0400000, 0x200000, CRC(21f122b2) SHA1(5473401ec954bf9ab66a8283bd08d17c7960cd29) ) /* These 2 roms might be labeled as a different version, */
+	ROM_LOAD32_WORD( "exotica-10.u13", 0x0400002, 0x200000, CRC(cf9d3609) SHA1(6376891f478185d26370466bef92f0c5304d58d3) ) /* but the data doesn't change. Verified for v1.3 & v1.6 */
 
 	ROM_REGION32_LE( 0x3000000, "user2", 0 )
 	ROM_LOAD32_WORD( "exotica.u14", 0x0000000, 0x400000, CRC(84452fc2) SHA1(06d87263f83ef079e6c5fb9de620e0135040c858) )
@@ -1296,8 +1299,8 @@ ROM_START( crusnexoa )
 	ROM_REGION32_LE( 0x0800000, "user1", 0 )
 	ROM_LOAD32_WORD( "exotica-20.u10", 0x0000000, 0x200000, CRC(43d80f54) SHA1(25683d835f3ed3dee99da33280ae6e21865801e4) ) /* Version 2.0  Fri Apr 07, 2000  17:55:07 */
 	ROM_LOAD32_WORD( "exotica-20.u11", 0x0000002, 0x200000, CRC(dba26b69) SHA1(4900ac3fe67664a543dcd66e41793874f6cdc07f) )
-	ROM_LOAD32_WORD( "exotica-10.u12", 0x0400000, 0x200000, CRC(21f122b2) SHA1(5473401ec954bf9ab66a8283bd08d17c7960cd29) ) /* U12 & U13 should be v1.6 */
-	ROM_LOAD32_WORD( "exotica-10.u13", 0x0400002, 0x200000, CRC(cf9d3609) SHA1(6376891f478185d26370466bef92f0c5304d58d3) )
+	ROM_LOAD32_WORD( "exotica-10.u12", 0x0400000, 0x200000, CRC(21f122b2) SHA1(5473401ec954bf9ab66a8283bd08d17c7960cd29) ) /* These 2 roms might be labeled as a different version, */
+	ROM_LOAD32_WORD( "exotica-10.u13", 0x0400002, 0x200000, CRC(cf9d3609) SHA1(6376891f478185d26370466bef92f0c5304d58d3) ) /* but the data doesn't change. Verified for v1.3 & v1.6 */
 
 	ROM_REGION32_LE( 0x3000000, "user2", 0 )
 	ROM_LOAD32_WORD( "exotica.u14", 0x0000000, 0x400000, CRC(84452fc2) SHA1(06d87263f83ef079e6c5fb9de620e0135040c858) )
@@ -1324,8 +1327,8 @@ ROM_START( crusnexob )
 	ROM_REGION32_LE( 0x0800000, "user1", 0 )
 	ROM_LOAD32_WORD( "exotica-16.u10", 0x0000000, 0x200000, CRC(65450140) SHA1(cad41a2cad48426de01feb78d3f71f768e3fc872) ) /* Version 1.6  Tue Feb 22, 2000  10:25:01 */
 	ROM_LOAD32_WORD( "exotica-16.u11", 0x0000002, 0x200000, CRC(e994891f) SHA1(bb088729b665864c7f3b79b97c3c86f9c8f68770) )
-	ROM_LOAD32_WORD( "exotica-10.u12", 0x0400000, 0x200000, CRC(21f122b2) SHA1(5473401ec954bf9ab66a8283bd08d17c7960cd29) ) /* U12 & U13 should be v1.6 */
-	ROM_LOAD32_WORD( "exotica-10.u13", 0x0400002, 0x200000, CRC(cf9d3609) SHA1(6376891f478185d26370466bef92f0c5304d58d3) )
+	ROM_LOAD32_WORD( "exotica-10.u12", 0x0400000, 0x200000, CRC(21f122b2) SHA1(5473401ec954bf9ab66a8283bd08d17c7960cd29) ) /* These 2 roms might be labeled as a different version, */
+	ROM_LOAD32_WORD( "exotica-10.u13", 0x0400002, 0x200000, CRC(cf9d3609) SHA1(6376891f478185d26370466bef92f0c5304d58d3) ) /* but the data doesn't change. Verified for v1.3 & v1.6 */
 
 	ROM_REGION32_LE( 0x3000000, "user2", 0 )
 	ROM_LOAD32_WORD( "exotica.u14", 0x0000000, 0x400000, CRC(84452fc2) SHA1(06d87263f83ef079e6c5fb9de620e0135040c858) )