From bbfc5ec285b0ed9e724b9a3cd3959d4b2f615b21 Mon Sep 17 00:00:00 2001
From: AJR <ajrhacker@users.noreply.github.com>
Date: Wed, 18 Apr 2018 15:55:41 -0400
Subject: [PATCH] model2.cpp: No main board EEPROM for original Model 2 (nw)

---
 src/mame/drivers/model2.cpp | 1 -
 src/mame/includes/model2.h  | 2 +-
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/mame/drivers/model2.cpp b/src/mame/drivers/model2.cpp
index 9230545ed81..251e4b755f0 100644
--- a/src/mame/drivers/model2.cpp
+++ b/src/mame/drivers/model2.cpp
@@ -2614,7 +2614,6 @@ MACHINE_CONFIG_START(model2o_state::model2o)
 	MCFG_MACHINE_START_OVERRIDE(model2_tgp_state,model2_tgp)
 	MCFG_MACHINE_RESET_OVERRIDE(model2o_state,model2o)
 
-	MCFG_EEPROM_SERIAL_93C46_ADD("eeprom")
 	MCFG_NVRAM_ADD_1FILL("backup1")
 
 	MCFG_DEVICE_ADD("ioboard", SEGA_MODEL1IO, 0)
diff --git a/src/mame/includes/model2.h b/src/mame/includes/model2.h
index 9704aa022ed..83bc5ca2645 100644
--- a/src/mame/includes/model2.h
+++ b/src/mame/includes/model2.h
@@ -101,7 +101,7 @@ protected:
 	required_device<generic_fifo_u32_device> m_copro_fifo_in;
 	required_device<generic_fifo_u32_device> m_copro_fifo_out;
 	optional_device<cpu_device> m_drivecpu;
-	required_device<eeprom_serial_93cxx_device> m_eeprom;
+	optional_device<eeprom_serial_93cxx_device> m_eeprom;
 	required_device<screen_device> m_screen;
 	required_device<palette_device> m_palette;
 	optional_device<scsp_device> m_scsp;