diff --git a/hash/g7400.xml b/hash/g7400.xml
index 9b3da44816f..d036a6e8f30 100644
--- a/hash/g7400.xml
+++ b/hash/g7400.xml
@@ -442,8 +442,8 @@ Do Videopac+/Odyssey3 versions exist?:
 	</software>
 
 	<software name="motocras">
-		<description>Moto-Crash (Fra)</description>
-		<year>198?</year>
+		<description>Moto-Crash+ (Fra)</description>
+		<year>1984</year>
 		<publisher>Radiola</publisher>
 		<part name="cart" interface="odyssey_cart">
 			<feature name="slot" value="o2_rom" />
diff --git a/hash/odyssey2.xml b/hash/odyssey2.xml
index fe1037dd4e1..55cd4d9c8a1 100644
--- a/hash/odyssey2.xml
+++ b/hash/odyssey2.xml
@@ -680,8 +680,8 @@ Official VP+ upgaded versions (simply adds a background picture):
 		</part>
 	</software>
 
-	<software name="chezmxme"><!-- I know it's a clone of something... -->
-		<description>Chez Maxime (Fra)</description>
+	<software name="chezmxme">
+		<description>Chez Maxime (Fra)</description><!-- aka Restaurant -->
 		<year>198?</year>
 		<publisher>Radiola</publisher>
 		<part name="cart" interface="odyssey_cart">
diff --git a/src/mame/drivers/mephisto_polgar.cpp b/src/mame/drivers/mephisto_polgar.cpp
index c5337cf8edb..537e85970be 100644
--- a/src/mame/drivers/mephisto_polgar.cpp
+++ b/src/mame/drivers/mephisto_polgar.cpp
@@ -285,7 +285,12 @@ void mephisto_milano_state::milano(machine_config &config)
 
 ROM_START( polgar )
 	ROM_REGION( 0x10000, "maincpu", 0 )
-	ROM_LOAD("polgar_1.5_1.2.1990", 0x0000, 0x10000, CRC(88d55c0f) SHA1(e86d088ec3ac68deaf90f6b3b97e3e31b1515913) )
+	ROM_LOAD("polgar_1.5_01.02.1990", 0x0000, 0x10000, CRC(88d55c0f) SHA1(e86d088ec3ac68deaf90f6b3b97e3e31b1515913) )
+ROM_END
+
+ROM_START( polgara )
+	ROM_REGION( 0x10000, "maincpu", 0 )
+	ROM_LOAD("polgar_1.10_04.08.1989", 0x0000, 0x10000, CRC(a4519c55) SHA1(35463a4cbcf20ebbd5ac5bc7664a862b1557c65f) ) // TC57512AD-15
 ROM_END
 
 ROM_START( polgar10 )
@@ -333,7 +338,8 @@ ROM_END
 ***************************************************************************/
 
 /*    YEAR  NAME       PARENT   COMPAT  MACHINE   INPUT   CLASS                   INIT        COMPANY             FULLNAME                  FLAGS */
-CONS( 1989, polgar,    0,       0,      polgar,   polgar, mephisto_polgar_state,  empty_init, "Hegener + Glaser", "Mephisto Polgar (v1.5)", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK )
+CONS( 1990, polgar,    0,       0,      polgar,   polgar, mephisto_polgar_state,  empty_init, "Hegener + Glaser", "Mephisto Polgar (v1.50)", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK )
+CONS( 1989, polgara,   polgar,  0,      polgar,   polgar, mephisto_polgar_state,  empty_init, "Hegener + Glaser", "Mephisto Polgar (v1.10)", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK )
 CONS( 1990, polgar10,  polgar,  0,      polgar10, polgar, mephisto_polgar_state,  empty_init, "Hegener + Glaser", "Mephisto Polgar 10 MHz (v10.0)", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK )
 CONS( 1990, polgar101, polgar,  0,      polgar10, polgar, mephisto_polgar_state,  empty_init, "Hegener + Glaser", "Mephisto Polgar 10 MHz (v10.1)", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK )
 
diff --git a/src/mame/drivers/odyssey2.cpp b/src/mame/drivers/odyssey2.cpp
index ebb84354403..820c82a2c27 100644
--- a/src/mame/drivers/odyssey2.cpp
+++ b/src/mame/drivers/odyssey2.cpp
@@ -44,9 +44,11 @@ TODO:
 - 8245(PAL) video timing is not 100% accurate, though vtotal and htotal should
   be correct
 - ppp(the tetris game) does not work properly on PAL, is this homebrew NTSC-only,
-  or is PAL detection going wrong? The game does mid-scanline updates
-- g7400 helicopt sometimes locks up at the sea level, timing related?
+  or is PAL detection going wrong? It does look like PAL/NTSC detection is working,
+  see internal RAM $3D d7. So maybe it is due to inaccurate PAL video timing.
+  The game does mid-scanline updates.
 - g7400 probably has different video timing too (not same as g7000)
+- g7400 helicopt sometimes locks up at the sea level, timing related?
 - 4in1 and musician are not supposed to work on g7400, but work fine on MAME,
   caused by bus conflict or because they write to P2?
 - verify odyssey3 cpu/video clocks
@@ -140,10 +142,10 @@ private:
 class g7400_state : public odyssey2_state
 {
 public:
-	g7400_state(const machine_config &mconfig, device_type type, const char *tag)
-		: odyssey2_state(mconfig, type, tag)
-		, m_i8243(*this, "i8243")
-		, m_ef934x(*this, "ef934x")
+	g7400_state(const machine_config &mconfig, device_type type, const char *tag) :
+		odyssey2_state(mconfig, type, tag),
+		m_i8243(*this, "i8243"),
+		m_ef934x(*this, "ef934x")
 	{ }
 
 	void g7400(machine_config &config);
diff --git a/src/mame/mame.lst b/src/mame/mame.lst
index ea418958978..143ace2efa8 100644
--- a/src/mame/mame.lst
+++ b/src/mame/mame.lst
@@ -22426,7 +22426,8 @@ megaiva                         // 1989 Mephisto Mega IV
 monteciv                        // 1990 Mephisto Monte Carlo IV LE
 
 @source:mephisto_polgar.cpp
-polgar                          // 1989 Mephisto Polgar
+polgar                          // 1990 Mephisto Polgar
+polgara                         // 1989 Mephisto Polgar
 polgar10                        // 1990 Mephisto Polgar 10MHz
 polgar101                       // 1990 Mephisto Polgar 10MHz
 mrisc                           // 1992 Mephisto RISC 1MB