diff --git a/hash/ibm5150_cass.xml b/hash/ibm5150_cass.xml
index b5180665687..fba113756eb 100644
--- a/hash/ibm5150_cass.xml
+++ b/hash/ibm5150_cass.xml
@@ -5,10 +5,11 @@ license:CC0
 -->
 <softwarelist name="ibm5150_cass" description="IBM PC/XT cassettes">
 
-	<software name="diag">
+	<software name="diag" supported="no"><!-- when the menu should appear, it reboots Basic instead -->
 		<description>IBM Advanced Diagnostics for the IBM PC 5150</description>
 		<year>1982</year>
 		<publisher>IBM</publisher>
+		<info name="usage" value="In ROM BASIC, LOAD&quot;ldcass then RUN" />
 		<part name="cass1" interface="ibm5150_cass">
 			<dataarea name="cass" size="40121900">
 				<rom name="ibm_pc_diagnostics_cassette.wav" size="40121900" crc="59351cf6" sha1="b7f03fadb2ff8c7dfe8dd0ff9b694c1b437e23b1"/>
diff --git a/src/devices/machine/genpc.cpp b/src/devices/machine/genpc.cpp
index e1ef5b74e8c..d9706309225 100644
--- a/src/devices/machine/genpc.cpp
+++ b/src/devices/machine/genpc.cpp
@@ -635,6 +635,8 @@ void ibm5150_mb_device::device_add_mconfig(machine_config &config)
 
 	CASSETTE(config, m_cassette);
 	m_cassette->set_default_state(CASSETTE_PLAY | CASSETTE_MOTOR_DISABLED | CASSETTE_SPEAKER_ENABLED);
+	m_cassette->add_route(ALL_OUTPUTS, "mono", 0.05);
+	m_cassette->set_interface("ibm5150_cass");
 }
 
 //**************************************************************************
diff --git a/src/mame/drivers/pasopia.cpp b/src/mame/drivers/pasopia.cpp
index 2c2254afdcf..f0715ba3ac5 100644
--- a/src/mame/drivers/pasopia.cpp
+++ b/src/mame/drivers/pasopia.cpp
@@ -392,6 +392,7 @@ void pasopia_state::pasopia(machine_config &config)
 	CASSETTE(config, m_cass);
 	m_cass->set_default_state(CASSETTE_PLAY | CASSETTE_MOTOR_DISABLED | CASSETTE_SPEAKER_ENABLED);
 	m_cass->add_route(ALL_OUTPUTS, "mono", 0.05);
+	m_cass->set_interface("pasopia_cass");
 
 	PASOPIA_PAC2(config, "dtfcst", pac2_default_devices, nullptr); // "Data File Cassette"
 	PASOPIA_PAC2(config, "dtfunt", pac2_default_devices, nullptr); // "Data File Unit"
diff --git a/src/mame/drivers/pc8801.cpp b/src/mame/drivers/pc8801.cpp
index 8733c5cde34..9bb9f7b3e36 100644
--- a/src/mame/drivers/pc8801.cpp
+++ b/src/mame/drivers/pc8801.cpp
@@ -2379,6 +2379,7 @@ void pc8801_state::pc8801(machine_config &config)
 	//CENTRONICS(config, "centronics", centronics_devices, "printer");
 	CASSETTE(config, m_cassette);
 	m_cassette->set_default_state(CASSETTE_STOPPED | CASSETTE_MOTOR_ENABLED | CASSETTE_SPEAKER_ENABLED);
+	m_cassette->set_interface("pc8801_cass");
 
 	SOFTWARE_LIST(config, "tape_list").set_original("pc8801_cass");
 
@@ -2403,6 +2404,7 @@ void pc8801_state::pc8801(machine_config &config)
 
 	/* sound hardware */
 	SPEAKER(config, "mono").front_center();
+	m_cassette->add_route(ALL_OUTPUTS, "mono", 0.05);
 	YM2203(config, m_opn, MASTER_CLOCK);
 	m_opn->irq_handler().set(FUNC(pc8801_state::pc8801_sound_irq));
 	m_opn->port_a_read_callback().set(FUNC(pc8801_state::opn_porta_r));