diff --git a/hash/ibm5170_cdrom.xml b/hash/ibm5170_cdrom.xml
index 1344f8c5a33..070327a4779 100644
--- a/hash/ibm5170_cdrom.xml
+++ b/hash/ibm5170_cdrom.xml
@@ -6512,6 +6512,31 @@ Has setup menu glitch with text [8514]
 	<!-- x86 Operating Systems                   -->
 	<!--                                         -->
 
+	<software name="beos45" supported="partial">
+		<!-- Kernel: Jun 6 1999 -->
+		<description>BeOS 4.5</description>
+		<year>1999</year>
+		<publisher>Be Inc</publisher>
+		<notes><![CDATA[
+Untested on anything beyond pcipc
+Has [ViRGE] GFX bugs with Life and Dominos demos
+Incredibly slow in tearing down even on pcipcs7 (bypass with fast forward)
+]]></notes>
+		<part name="flop1" interface="floppy_3_5">
+			<dataarea name="flop" size="1474560">
+				<rom name="beos 4_5 installation disk for x86.ima" size="1474560" crc="a96de788" sha1="acffbfceec2d53ce47b8f32fa48d11764b89734c" />
+			</dataarea>
+		</part>
+		<!-- Generated by manually correcting PREGAP in cuesheet -->
+		<!-- cfr. https://github.com/mamedev/mame/issues/11978#issuecomment-2028814302 -->
+		<part name="cdrom" interface="cdrom">
+			<diskarea name="cdrom">
+				<disk name="beos_be_operating_system_4_5" sha1="d3331402b036b0dd2f4ca99dfa67cecfc8bee393"/>
+			</diskarea>
+		</part>
+	</software>
+
+
 	<software name="freedos10">
 		<description>FreeDOS 1.0</description>
 		<year>2006</year>