diff --git a/hash/ibm5170.xml b/hash/ibm5170.xml
index 15b592b8fdf..987f42a3a60 100644
--- a/hash/ibm5170.xml
+++ b/hash/ibm5170.xml
@@ -5550,8 +5550,8 @@
 		<publisher>Unex Technology Corporation</publisher>
 		<info name="version" value="3.02" />
 		<part name="flop1" interface="floppy_3_5">
-			<dataarea name="flop" size="4227910">
-				<rom name="nexnic nd010 pci adapter (ethernet-fast ethernet) 3.02.mfm" size="4227910" crc="6fee8a2f" sha1="3616f28d9874ba5805e53ccbe63284f1a7d7aea1"/>
+			<dataarea name="flop" size="1153756">
+				<rom name="nexnic nd010 pci adapter (ethernet-fast ethernet) 3.02.imd" size="1153756" crc="192166ce" sha1="976a03cfdf875361c2ecb10c819b9486a4ad4f6e"/>
 			</dataarea>
 		</part>
 	</software>
@@ -5583,15 +5583,15 @@
 		<part name="flop2" interface="floppy_3_5">
 			<feature name="part_id" value="Disk 2" />
 			<feature name="disk_serial" value="26-00195-02" />
-			<dataarea name="flop" size="4221025">
-				<rom name="26-00195-02.mfm" size="4221025" crc="b9be8f34" sha1="ea5beeff97be1a3ab3f0a0f3d6246d1416559688"/>
+			<dataarea name="flop" size="1455715">
+				<rom name="26-00195-02.imd" size="1455715" crc="835f05ef" sha1="84057a9b3d691554244b2af37a59b9a0d3f39e30"/>
 			</dataarea>
 		</part>
 		<part name="flop3" interface="floppy_3_5">
 			<feature name="part_id" value="Disk 3" />
 			<feature name="disk_serial" value="26-00195-03" />
-			<dataarea name="flop" size="4221752">
-				<rom name="26-00195-03.mfm" size="4221752" crc="81d63864" sha1="a906b72067cc2278a241f8baddc90e79d7c2920d"/>
+			<dataarea name="flop" size="1429654">
+				<rom name="26-00195-03.imd" size="1429654" crc="98314f6b" sha1="5313272d0dd1c05f6cd12c0bc5264191f1fff05f"/>
 			</dataarea>
 		</part>
 	</software>
@@ -5845,20 +5845,20 @@
 		<info name="version" value="3.0" />
 		<part name="flop1" interface="floppy_3_5">
 			<feature name="part_id" value="Install/Driver Disk #1" />
-			<dataarea name="flop" size="4226759">
-				<rom name="soundwave 32 series 3.0 (disk 1).mfm" size="4226759" crc="8fc8426e" sha1="5dd2f3a0d84e46677afd61ea8d92da6c924f66ea"/>
+			<dataarea name="flop" size="1419945">
+				<rom name="soundwave 32 series 3.0 (disk 1).imd" size="1419945" crc="017306e3" sha1="5a187ed0ddc3c309477f97cb8f50b768a7968dbd"/>
 			</dataarea>
 		</part>
 		<part name="flop2" interface="floppy_3_5">
 			<feature name="part_id" value="Install/Driver Disk #2" />
-			<dataarea name="flop" size="4244689">
-				<rom name="soundwave 32 series 3.0 (disk 2).mfm" size="4244689" crc="91d2c027" sha1="1a5cc99508c7a5fa34880fa021f40425e6e3cd05"/>
+			<dataarea name="flop" size="1478710">
+				<rom name="soundwave 32 series 3.0 (disk 2).imd" size="1478710" crc="e0ac2ea6" sha1="4031d18ff855e1f985d07d66b804a9a2e35b9386"/>
 			</dataarea>
 		</part>
 		<part name="flop3" interface="floppy_3_5">
 			<feature name="part_id" value="Install/Driver Disk #3" />
-			<dataarea name="flop" size="4221234">
-				<rom name="soundwave 32 series 3.0 (disk 3).mfm" size="4221234" crc="e509fbc6" sha1="db1b571b7ca82fe1beed69ea5f7975e74ad8419f"/>
+			<dataarea name="flop" size="1422500">
+				<rom name="soundwave 32 series 3.0 (disk 3).imd" size="1422500" crc="18d3bf4d" sha1="9f112e853334f7c97842b666a5bd6319d40b9e99"/>
 			</dataarea>
 		</part>
 	</software>
@@ -8076,20 +8076,20 @@
 		</part>
 		<part name="flop3" interface="floppy_3_5">
 			<feature name="part_id" value="Sv-En Verkst.tekn. lexikon - Lexikondiskett 2" />
-			<dataarea name="flop" size="2241641">
-				<rom name="sv-en verkst tekn lexikon - lexikondiskett 2.mfm" size="2241641" crc="c1ce7436" sha1="103bf7a190b3738f1b0debe2429aacea2188ce17"/>
+			<dataarea name="flop" size="253611">
+				<rom name="sv-en verkst tekn lexikon - lexikondiskett 2.imd" size="253611" crc="a4479a8a" sha1="b1e0beaa3b8da40462b4096d29a2558cc54a4dfb"/>
 			</dataarea>
 		</part>
 		<part name="flop4" interface="floppy_3_5">
 			<feature name="part_id" value="Svenskt lexikon (SAOL) - Lexikondiskett 3" />
-			<dataarea name="flop" size="4224979">
-				<rom name="svenskt lexikon (saol) - lexikondiskett 3.mfm" size="4224979" crc="3e296c43" sha1="3e0c1dfdb1bb1e5be1fb85124078bc95880e56b2"/>
+			<dataarea name="flop" size="969243">
+				<rom name="svenskt lexikon (saol) - lexikondiskett 3.imd" size="969243" crc="a828a253" sha1="715890240b160984f2f16cc18dbe8c6f761087ac"/>
 			</dataarea>
 		</part>
 		<part name="flop5" interface="floppy_3_5">
 			<feature name="part_id" value="Svenskt lexikon (SAOL) - Lexikondiskett 4" />
-			<dataarea name="flop" size="4237395">
-				<rom name="svenskt lexikon (saol) - lexikondiskett 4.mfm" size="4237395" crc="5eee09ca" sha1="110375b861de44e90648b3800edead4d7bb470de"/>
+			<dataarea name="flop" size="886461">
+				<rom name="svenskt lexikon (saol) - lexikondiskett 4.imd" size="886461" crc="60c6b6ec" sha1="d08e9110c4e4be9575a9d5f4ab4943c7801c8f8b"/>
 			</dataarea>
 		</part>
 	</software>