diff --git a/src/mame/drivers/esd16.c b/src/mame/drivers/esd16.c
index 83bc65b0460..dc2b04e76a7 100644
--- a/src/mame/drivers/esd16.c
+++ b/src/mame/drivers/esd16.c
@@ -853,23 +853,23 @@ ROM_END
 
 ROM_START( mchampdxb )
 	ROM_REGION( 0x080000, "maincpu", 0 )		/* 68000 Code */
-	ROM_LOAD16_BYTE( "esd2.cu02", 0x000000, 0x040000, CRC(d17b2616) SHA1(2c50c2bf928036678b92b8862d191552e46d9faa) )
-	ROM_LOAD16_BYTE( "esd1.cu03", 0x000001, 0x040000, CRC(11ff2e94) SHA1(30044bedfff514ae0a855cffa756e5c315fe2124) )
+	ROM_LOAD16_BYTE( "ver1114_esd2.cu02", 0x000000, 0x040000, CRC(d17b2616) SHA1(2c50c2bf928036678b92b8862d191552e46d9faa) )
+	ROM_LOAD16_BYTE( "ver1114_esd1.cu03", 0x000001, 0x040000, CRC(11ff2e94) SHA1(30044bedfff514ae0a855cffa756e5c315fe2124) )
 
 	ROM_REGION( 0x44000, "audiocpu", 0 )		/* Z80 Code */
-	ROM_LOAD( "esd3.su06", 0x00000, 0x0c000, CRC(b87a1e85) SHA1(2fcdd7e8b301e3d20e6500a03dc293403b23b471) )
-	ROM_CONTINUE(          0x10000, 0x34000)
+	ROM_LOAD( "ver1114_esd3.su06", 0x00000, 0x0c000, CRC(b87a1e85) SHA1(2fcdd7e8b301e3d20e6500a03dc293403b23b471) )
+	ROM_CONTINUE(                  0x10000, 0x34000)
 
 	ROM_REGION( 0x600000, "gfx1", 0 )	/* Sprites, 16x16x5 */
-	ROM_LOAD( "ju01_ver1114", 0x200000, 0x200000, NO_DUMP )  // SMT Flash MX chips
-	ROM_LOAD( "ju02_ver1114", 0x000000, 0x200000, NO_DUMP )
+	ROM_LOAD( "ver1114_ju01", 0x200000, 0x200000, NO_DUMP )  // SMT Flash MX chips
+	ROM_LOAD( "ver1114_ju02", 0x000000, 0x200000, NO_DUMP )
 	/* expand this to take up 0x200000 bytes too so we can decode it */
-	ROM_LOAD16_BYTE( "esd5.ju07", 0x400000, 0x040000,  CRC(8175939f) SHA1(cd0132ae0d2e35dc656434989b1f0f255ad562ab) )
+	ROM_LOAD16_BYTE( "ver1114_esd5.ju07", 0x400000, 0x040000,  CRC(8175939f) SHA1(cd0132ae0d2e35dc656434989b1f0f255ad562ab) )
 	ROM_FILL(                             0x500000, 0x100000, 0 )
 
 	ROM_REGION( 0x400000, "gfx2", 0 )	/* Layers, 16x16x8 */
-	ROM_LOAD16_BYTE( "fu35_ver1114", 0x000000, 0x200000, NO_DUMP ) // SMT Flash MX chips
-	ROM_LOAD16_BYTE( "fu34_ver1114", 0x000001, 0x200000, NO_DUMP )
+	ROM_LOAD16_BYTE( "ver1114_fu35", 0x000000, 0x200000, NO_DUMP ) // SMT Flash MX chips
+	ROM_LOAD16_BYTE( "ver1114_fu34", 0x000001, 0x200000, NO_DUMP )
 
 	ROM_REGION( 0x40000, "oki", 0 )	/* Samples */
 	ROM_LOAD( "esd4.su10", 0x00000, 0x40000, CRC(2fbe94ab) SHA1(1bc4a33ec93a80fb598722d2b50bdf3ccaaa984a) )