diff --git a/core/hw/naomi/naomi_cart.cpp b/core/hw/naomi/naomi_cart.cpp
index a5bd0cc9d6..697616bfd3 100644
--- a/core/hw/naomi/naomi_cart.cpp
+++ b/core/hw/naomi/naomi_cart.cpp
@@ -333,6 +333,8 @@ static bool naomi_cart_LoadZip(char *filename)
 			delete file;
 		}
 	}
+	if (naomi_default_eeprom == NULL && game->eeprom_dump != NULL)
+		naomi_default_eeprom = game->eeprom_dump;
 	if (archive != NULL)
 		delete archive;
 	if (parent_archive != NULL)
diff --git a/core/hw/naomi/naomi_roms.h b/core/hw/naomi/naomi_roms.h
index 08a97f9675..c31b44f01e 100644
--- a/core/hw/naomi/naomi_roms.h
+++ b/core/hw/naomi/naomi_roms.h
@@ -24,6 +24,7 @@
  */
 #pragma once
 #include "naomi_roms_input.h"
+#include "naomi_roms_eeprom.h"
 
 #define MAX_GAME_FILES 40
 
@@ -204,6 +205,7 @@ struct Game
     } blobs[MAX_GAME_FILES];
     const char *gdrom_name;
     InputDescriptors *inputs;
+    u8 *eeprom_dump;
 }
 Games[] =
 {
@@ -4026,7 +4028,10 @@ Games[] =
             { "ic10.bin", 0x8000000, 0x4000000 },
             { "317-5132-jpn.ic3", 0, 0x800, Key },
             { NULL, 0, 0 },
-        }
+        },
+        NULL,
+        NULL,
+        mamonoro_eeprom_dump
     },
     // Melty Blood Actress Again Version A (Japan, Rev A)
     {
diff --git a/core/hw/naomi/naomi_roms_eeprom.h b/core/hw/naomi/naomi_roms_eeprom.h
new file mode 100644
index 0000000000..d58b08c9a2
--- /dev/null
+++ b/core/hw/naomi/naomi_roms_eeprom.h
@@ -0,0 +1,36 @@
+/*
+ *  Created on: apr 11, 2019
+
+	Copyright 2018 barbudreadmon
+
+	This file is part of reicast.
+
+    reicast is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 2 of the License, or
+    (at your option) any later version.
+
+    reicast is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with reicast.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef CORE_HW_NAOMI_NAOMI_ROMS_EEPROM_H_
+#define CORE_HW_NAOMI_NAOMI_ROMS_EEPROM_H_
+
+u8 mamonoro_eeprom_dump[] = {
+	0x96, 0xB2, 0x11, 0x42, 0x51, 0x53, 0x30, 0x09, 0x00, 0x00, 0x01, 0x01, 0x01, 0x00, 0x11, 0x11, 0x11, 0x11,
+	0x96, 0xB2, 0x11, 0x42, 0x51, 0x53, 0x30, 0x09, 0x00, 0x00, 0x01, 0x01, 0x01, 0x00, 0x11, 0x11, 0x11, 0x11,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00
+};
+
+#endif /* CORE_HW_NAOMI_NAOMI_ROMS_EEPROM_H_ */