diff --git a/hash/megadriv.xml b/hash/megadriv.xml
index e86cb43fe48..daa85bae0f7 100644
--- a/hash/megadriv.xml
+++ b/hash/megadriv.xml
@@ -10955,6 +10955,18 @@ but dumps still have to be confirmed.
 		</part>
 	</software>
 
+	<!-- The actual PCB contains 4 chips... how shall this be split? -->
+	<software name="barbiesmp" cloneof="barbiesm">
+		<description>Barbie Super Model (USA, Prototype)</description>
+		<year>1992</year>
+		<publisher>Hi Tech Expressions</publisher>
+		<part name="cart" interface="megadriv_cart">
+			<dataarea name="rom" width="16" endianness="big" size="1048576">
+				<rom name="barbie.0000.bin" size="1048576" crc="d4823175" sha1="38fb22e2750db566b1f5004b59f3400a8dfffe1e" offset="0x000000" status="baddump"/>
+			</dataarea>
+		</part>
+	</software>
+
 	<software name="barbvac">
 		<description>Barbie Vacation Adventure (USA, Prototype)</description>
 		<year>1994</year>
@@ -29916,6 +29928,28 @@ Notice that these are not working on real hardware due to bugged code with VDP i
 			</dataarea>
 		</part>
 	</software>
+	
+	<software name="segachnj" supported="no">
+		<description>Sega Channel (Jpn, v2.11)</description>
+		<year>199?</year>
+		<publisher>Sega</publisher>
+		<part name="cart" interface="megadriv_cart">
+			<dataarea name="rom" width="16" endianness="big" size="524288">
+				<rom name="bb40010501.bin" size="524288" crc="aec4706f" sha1="ff89cbda4ec8b453ee26ccd99381912625d830a3" offset="0x000000" />
+			</dataarea>
+		</part>
+	</software>
+	
+	<software name="segachnjo" cloneof="segachnj" supported="no">
+		<description>Sega Channel (Jpn, v2.11 older)</description>
+		<year>199?</year>
+		<publisher>Sega</publisher>
+		<part name="cart" interface="megadriv_cart">
+			<dataarea name="rom" width="16" endianness="big" size="524288">
+				<rom name="bb40002456.bin" size="524288" crc="02e468e9" sha1="dfdfa94a926666508074019d4ac0ae0487f194c8" offset="0x000000" />
+			</dataarea>
+		</part>
+	</software>