diff --git a/src/mame/drivers/m92.c b/src/mame/drivers/m92.c
index 92bf3296479..8b6f7e9b38c 100644
--- a/src/mame/drivers/m92.c
+++ b/src/mame/drivers/m92.c
@@ -1162,7 +1162,7 @@ ROM_START( skingame )
 	ROM_REGION( 0x80000, "irem", 0 )
 	ROM_LOAD( "da", 0x000000, 0x80000, CRC(713b9e9f) SHA1(91384d67d4ba9c7d926fbecb077293c661b8ec83) )
 
-	ROM_REGION( 0x4000, "eeprom", 0 )   /* EEPROM */
+	ROM_REGION( 0x4000, "eeprom", 0 )   /* D28C64C-20 EEPROM */
 	ROM_LOAD( "mt2eep",  0x000000, 0x800, CRC(208af971) SHA1(69384cac24b7af35a031f9b60e035131a8b10cb2) )
 
 	ROM_REGION( 0x0c00, "plds", 0 )
@@ -1199,7 +1199,7 @@ ROM_START( majtitl2 )
 	ROM_REGION( 0x80000, "irem", 0 )
 	ROM_LOAD( "da", 0x000000, 0x80000, CRC(713b9e9f) SHA1(91384d67d4ba9c7d926fbecb077293c661b8ec83) )
 
-	ROM_REGION( 0x4000, "eeprom", 0 )   /* EEPROM */
+	ROM_REGION( 0x4000, "eeprom", 0 )   /* D28C64C-20 EEPROM */
 	ROM_LOAD( "mt2eep",  0x000000, 0x800, CRC(208af971) SHA1(69384cac24b7af35a031f9b60e035131a8b10cb2) )
 
 	ROM_REGION( 0x0c00, "plds", 0 )
@@ -1236,7 +1236,7 @@ ROM_START( majtitl2j )
 	ROM_REGION( 0x80000, "irem", 0 )
 	ROM_LOAD( "da", 0x000000, 0x80000, CRC(713b9e9f) SHA1(91384d67d4ba9c7d926fbecb077293c661b8ec83) )
 
-	ROM_REGION( 0x4000, "eeprom", 0 )   /* EEPROM */
+	ROM_REGION( 0x4000, "eeprom", 0 )   /* D28C64C-20 EEPROM */
 	ROM_LOAD( "mt2eep",  0x000000, 0x800, CRC(208af971) SHA1(69384cac24b7af35a031f9b60e035131a8b10cb2) )
 
 	ROM_REGION( 0x0c00, "plds", 0 )
@@ -1273,7 +1273,7 @@ ROM_START( skingame2 )
 	ROM_REGION( 0x80000, "irem", 0 )
 	ROM_LOAD( "da", 0x000000, 0x80000, CRC(713b9e9f) SHA1(91384d67d4ba9c7d926fbecb077293c661b8ec83) )
 
-	ROM_REGION( 0x4000, "eeprom", 0 )   /* EEPROM */
+	ROM_REGION( 0x4000, "eeprom", 0 )   /* D28C64C-20 EEPROM */
 	ROM_LOAD( "mt2eep",  0x000000, 0x800, CRC(208af971) SHA1(69384cac24b7af35a031f9b60e035131a8b10cb2) )
 
 	ROM_REGION( 0x0c00, "plds", 0 )