diff --git a/hash/gbcolor.xml b/hash/gbcolor.xml
index 59c921bafff..e165e62f854 100644
--- a/hash/gbcolor.xml
+++ b/hash/gbcolor.xml
@@ -24305,8 +24305,8 @@ These were produced between 2000 and 2001 by Rocket Games, run by Datel Design
 		<info name="alt_title" value="數碼暴龍3-水晶版"/>
 		<part name="cart" interface="gameboy_cart">
 			<feature name="slot" value="rom_mbc5" />
-			<dataarea name="rom" size="2097152">
-				<rom name="shu ma bao long 3 - shui jing ban (unlicensed, chinese) [raw dump].bin" size="2097152" crc="8bfbe00a" sha1="ca35357c3be6c55ca1ec692203ce0944f5082c4c" offset="000000" />
+			<dataarea name="rom" size="1048576">
+				<rom name="shu ma bao long 3 - shui jing ban (unlicensed, chinese) [raw dump].bin" size="1048576" crc="10bf11a4" sha1="a0f81548e3d4184c146d0df1cc9e18930bedf644" offset="000000" />
 			</dataarea>
 			<dataarea name="nvram" size="32768">
 			</dataarea>
@@ -24321,8 +24321,8 @@ These were produced between 2000 and 2001 by Rocket Games, run by Datel Design
 		<info name="alt_title" value="數碼暴龍3-水晶版"/>
 		<part name="cart" interface="gameboy_cart">
 			<feature name="slot" value="rom_mbc5" />
-			<dataarea name="rom" size="4194304">
-				<rom name="shu ma bao long 9 - bao long pian 2002 (unlicensed, chinese) [raw dump].bin" size="4194304" crc="76ab97f6" sha1="c3d9e17c9b01959b64a7c662479c755f757f58c9" offset="000000" />
+			<dataarea name="rom" size="1048576">
+				<rom name="shu ma bao long 9 - bao long pian 2002 (unlicensed, chinese) [raw dump].bin" size="1048576" crc="c10fa909" sha1="bdc4a2ca7170f41bc10b89a2e6e96fb990a44f0b" offset="000000" />
 			</dataarea>
 			<dataarea name="nvram" size="8192"> <!-- Unconfirmed size -->
 			</dataarea>
diff --git a/hash/msx2_cart.xml b/hash/msx2_cart.xml
index d477e6cf263..6abb2ae9e6a 100644
--- a/hash/msx2_cart.xml
+++ b/hash/msx2_cart.xml
@@ -2327,15 +2327,16 @@ LZ93A13 (32 pin) - 8KB banks
 		</part>
 	</software>
 
-	<software name="mgear2ssd" cloneof="mgear2ss">
-		<description>Metal Gear 2 - Solid Snake (Demo) (Jpn)</description>
-		<year>1990</year>
+	<software name="mgearjvc" cloneof="mgear">
+		<description>Metal Gear (Jpn, Virtual Console)</description>
+		<year>2010</year>
 		<publisher>Konami</publisher>
-		<info name="alt_title" value="ソリッドスネークメタルギア2" />
+		<info name="alt_title" value="メタルギア" />
+		<info name="usage" value="Requires a Japanese system" />
 		<part name="cart" interface="msx_cart">
-			<feature name="mapper" value="KONAMI-SCC" />
-			<dataarea name="rom" size="131072">
-				<rom name="metal gear 2 - solid snake (japan) (demo).rom" size="131072" crc="dcee5080" sha1="21ac0ae7da47abf30986b479489134c79405f95d" status="baddump" offset="0" />
+			<feature name="mapper" value="KONAMI" />
+			<dataarea name="rom" size="262144">
+				<rom name="megarom.rom" size="262144" crc="ed46831f" sha1="6228aef9c26276b9ed4157d1c5b3912d27ee6ce5" offset="0" />
 			</dataarea>
 		</part>
 	</software>
@@ -2353,6 +2354,32 @@ LZ93A13 (32 pin) - 8KB banks
 		</part>
 	</software>
 
+	<software name="mgear2ssd" cloneof="mgear2ss">
+		<description>Metal Gear 2 - Solid Snake (Demo) (Jpn)</description>
+		<year>1990</year>
+		<publisher>Konami</publisher>
+		<info name="alt_title" value="ソリッドスネークメタルギア2" />
+		<part name="cart" interface="msx_cart">
+			<feature name="mapper" value="KONAMI-SCC" />
+			<dataarea name="rom" size="131072">
+				<rom name="metal gear 2 - solid snake (japan) (demo).rom" size="131072" crc="dcee5080" sha1="21ac0ae7da47abf30986b479489134c79405f95d" status="baddump" offset="0" />
+			</dataarea>
+		</part>
+	</software>
+
+	<software name="mgear2ssvc" cloneof="mgear2ss">
+		<description>Metal Gear 2 - Solid Snake (Jpn, Virtual Console)</description>
+		<year>2010</year>
+		<publisher>Konami</publisher>
+		<info name="alt_title" value="ソリッドスネークメタルギア2" />
+		<part name="cart" interface="msx_cart">
+			<feature name="mapper" value="KONAMI-SCC" />
+			<dataarea name="rom" size="524288">
+				<rom name="megarom.rom" size="524288" crc="a02a1669" sha1="d8cd8c87d720cf0bf52a7f432999979de5438bd5" status="baddump" offset="0" />
+			</dataarea>
+		</part>
+	</software>
+
 	<!-- does not work in any driver, apparently... -->
 	<software name="mirai" supported="no">
 		<description>Mirai (Jpn)</description>