diff --git a/src/mame/drivers/namcond1.c b/src/mame/drivers/namcond1.c
index eec9441a3c7..d771485f67e 100644
--- a/src/mame/drivers/namcond1.c
+++ b/src/mame/drivers/namcond1.c
@@ -325,7 +325,7 @@ static MACHINE_CONFIG_START( namcond1, namcond1_state )
 	/* sound hardware */
 	MCFG_SPEAKER_STANDARD_STEREO("lspeaker", "rspeaker")
 
-	MCFG_C352_ADD("c352", XTAL_49_152MHz/3) // NOTE: should be XTAL_49_152MHz/3, but that's currently incompatible with c352.c internal divider
+	MCFG_C352_ADD("c352", XTAL_49_152MHz/3) // NOTE: should be XTAL_49_152MHz/2, but that's currently incompatible with c352.c internal divider
 	MCFG_SOUND_ROUTE(0, "rspeaker", 1.00)
 	MCFG_SOUND_ROUTE(1, "lspeaker", 1.00)
 	MCFG_SOUND_ROUTE(2, "rspeaker", 1.00)
diff --git a/src/mame/drivers/neodrvr.c b/src/mame/drivers/neodrvr.c
index cffe6d327e4..f94a61273cf 100644
--- a/src/mame/drivers/neodrvr.c
+++ b/src/mame/drivers/neodrvr.c
@@ -7644,7 +7644,7 @@ ROM_START( svcpcba ) /* Encrypted Set, JAMMA PCB */
 
 	/* Encrypted */
 	ROM_REGION( 0x80000, "audiocrypt", 0 )
-	ROM_LOAD( "269-m1.bin", 0x00000, 0x80000, CRC(f6819d00) SHA1(d3bbe09df502464f104e53501708ac6e2c1832c6) )
+	ROM_LOAD( "269-m1.m1", 0x00000, 0x80000, CRC(f6819d00) SHA1(d3bbe09df502464f104e53501708ac6e2c1832c6) )
 	ROM_REGION( 0x90000, "audiocpu", ROMREGION_ERASEFF )
 
 	ROM_Y_ZOOM