diff --git a/src/mame/drivers/neodrvr.c b/src/mame/drivers/neodrvr.c
index 30d919a6227..ff89a239dfe 100644
--- a/src/mame/drivers/neodrvr.c
+++ b/src/mame/drivers/neodrvr.c
@@ -349,16 +349,18 @@ INPUT_PORTS_END
 	ROM_LOAD16_WORD_SWAP_BIOS( 13, "uni-bios_1_3.rom",  0x00000, 0x020000, CRC(b24b44a0) SHA1(eca8851d30557b97c309a0d9f4a9d20e5b14af4e) ) /* Universe Bios v1.3 (hack) */ \
 	ROM_SYSTEM_BIOS( 14, "uni-bios_1_2","Universe Bios (Hack, Ver. 1.2)" ) \
 	ROM_LOAD16_WORD_SWAP_BIOS( 14, "uni-bios_1_2.rom",  0x00000, 0x020000, CRC(4fa698e9) SHA1(682e13ec1c42beaa2d04473967840c88fd52c75a) ) /* Universe Bios v1.2 (hack) */ \
-	ROM_SYSTEM_BIOS( 15, "uni-bios_1_1","Universe Bios (Hack, Ver. 1.1)" ) \
-	ROM_LOAD16_WORD_SWAP_BIOS( 15, "uni-bios_1_1.rom",  0x00000, 0x020000, CRC(5dda0d84) SHA1(4153d533c02926a2577e49c32657214781ff29b7) ) /* Universe Bios v1.1 (hack) */ \
-	ROM_SYSTEM_BIOS( 16, "uni-bios_1_0","Universe Bios (Hack, Ver. 1.0)" ) \
-	ROM_LOAD16_WORD_SWAP_BIOS( 16, "uni-bios_1_0.rom",  0x00000, 0x020000, CRC(0ce453a0) SHA1(3b4c0cd26c176fc6b26c3a2f95143dd478f6abf9) ) /* Universe Bios v1.0 (hack) */ \
-//  ROM_SYSTEM_BIOS( 16, "debug",      "Debug MVS (Hack?)" )
-//  ROM_LOAD16_WORD_SWAP_BIOS( 16, "neodebug.rom", 0x00000, 0x020000, CRC(698ebb7d) SHA1(081c49aa8cc7dad5939833dc1b18338321ea0a07) ) /* Debug (Development) Bios */
-//  ROM_SYSTEM_BIOS(17, "asia-aes",   "Asia AES" )
-//  ROM_LOAD16_WORD_SWAP_BIOS(17, "neo-epo.bin", 0x00000, 0x020000, CRC(d27a71f1) SHA1(1b3b22092f30c4d1b2c15f04d1670eb1e9fbea07) ) /* AES Console (Asia?) Bios */
-//  ROM_SYSTEM_BIOS(18, "jap-aes",   "Japan AES" )
-//  ROM_LOAD16_WORD_SWAP_BIOS(18, "neo-po.bin", 0x00000, 0x020000, CRC(16d0c132) SHA1(4e4a440cae46f3889d20234aebd7f8d5f522e22c) ) /* AES Console (Japan) Bios */
+	ROM_SYSTEM_BIOS( 15, "uni-bios_1_2o","Universe Bios (Hack, Ver. 1.2, older)" ) \
+	ROM_LOAD16_WORD_SWAP_BIOS( 15, "uni-bios_1_2o.rom", 0x00000, 0x020000, CRC(e19d3ce9) SHA1(af88ef837f44a3af2d7144bb46a37c8512b67770) ) /* Universe Bios v1.2 (hack) alt version */ \
+	ROM_SYSTEM_BIOS( 16, "uni-bios_1_1","Universe Bios (Hack, Ver. 1.1)" ) \
+	ROM_LOAD16_WORD_SWAP_BIOS( 16, "uni-bios_1_1.rom",  0x00000, 0x020000, CRC(5dda0d84) SHA1(4153d533c02926a2577e49c32657214781ff29b7) ) /* Universe Bios v1.1 (hack) */ \
+	ROM_SYSTEM_BIOS( 17, "uni-bios_1_0","Universe Bios (Hack, Ver. 1.0)" ) \
+	ROM_LOAD16_WORD_SWAP_BIOS( 17, "uni-bios_1_0.rom",  0x00000, 0x020000, CRC(0ce453a0) SHA1(3b4c0cd26c176fc6b26c3a2f95143dd478f6abf9) ) /* Universe Bios v1.0 (hack) */ \
+//  ROM_SYSTEM_BIOS( 18, "debug",      "Debug MVS (Hack?)" )
+//  ROM_LOAD16_WORD_SWAP_BIOS( 18, "neodebug.rom", 0x00000, 0x020000, CRC(698ebb7d) SHA1(081c49aa8cc7dad5939833dc1b18338321ea0a07) ) /* Debug (Development) Bios */
+//  ROM_SYSTEM_BIOS(19, "asia-aes",   "Asia AES" )
+//  ROM_LOAD16_WORD_SWAP_BIOS(19, "neo-epo.bin", 0x00000, 0x020000, CRC(d27a71f1) SHA1(1b3b22092f30c4d1b2c15f04d1670eb1e9fbea07) ) /* AES Console (Asia?) Bios */
+//  ROM_SYSTEM_BIOS(20, "jap-aes",   "Japan AES" )
+//  ROM_LOAD16_WORD_SWAP_BIOS(20, "neo-po.bin", 0x00000, 0x020000, CRC(16d0c132) SHA1(4e4a440cae46f3889d20234aebd7f8d5f522e22c) ) /* AES Console (Japan) Bios */
 
 
 /* note you'll have to modify the last for lines of each block to use the extra bios roms,