diff --git a/src/mame/drivers/segasp.cpp b/src/mame/drivers/segasp.cpp
index 96331d1e998..9a3edfe3e9c 100644
--- a/src/mame/drivers/segasp.cpp
+++ b/src/mame/drivers/segasp.cpp
@@ -400,8 +400,8 @@ ROM_START( aminosan )
 	SEGASP_MISC
 
 	ROM_REGION( 0x08000000, "rom_board", ROMREGION_ERASE)
-	ROM_LOAD( "ic62",  0x00000000, 0x4000000, CRC(d79afdb6) SHA1(328e535980624d9173164b756ebbdc1ca4cb6f18) )
-	ROM_LOAD( "ic63",  0x04000000, 0x4000000, CRC(4f3c0937) SHA1(72d68b66c57ff539b8058f80f1a15ffa44095460) )
+	ROM_LOAD( "ic62",  0x00000000, 0x4000000, CRC(3d15e610) SHA1(00b040365eaf23f4d6ffe9927e264836d0cdaba1) )
+	ROM_LOAD( "ic63",  0x04000000, 0x4000000, CRC(0db8a64a) SHA1(6b6144d1e9b90cb1beb4ac65801ee0b261339106) )
 
 	ROM_PARAMETER( ":rom_board:id", "5502" )  // 2x 512Mbit FlashROMs