diff --git a/src/devices/bus/a2bus/a2vulcan.cpp b/src/devices/bus/a2bus/a2vulcan.cpp
index 1f1080c4ace..292f80b219a 100644
--- a/src/devices/bus/a2bus/a2vulcan.cpp
+++ b/src/devices/bus/a2bus/a2vulcan.cpp
@@ -62,8 +62,9 @@
 //  GLOBAL VARIABLES
 //**************************************************************************
 
-DEFINE_DEVICE_TYPE(A2BUS_VULCAN,     a2bus_vulcan_device,     "a2vulcan", "Applied Engineering Vulcan IDE controller")
-DEFINE_DEVICE_TYPE(A2BUS_VULCANGOLD, a2bus_vulcangold_device, "a2vulgld", "Applied Engineering Vulcan Gold IDE controller")
+DEFINE_DEVICE_TYPE(A2BUS_VULCAN,     a2bus_vulcan_device,     "a2vulcan", "Applied Engineering Vulcan IDE controller (IIgs version)")
+DEFINE_DEVICE_TYPE(A2BUS_VULCANIIE,  a2bus_vulcaniie_device,  "a2vuliie", "Applied Engineering Vulcan IDE controller (//e version)")
+DEFINE_DEVICE_TYPE(A2BUS_VULCANGOLD, a2bus_vulcangold_device, "a2vulgld", "Applied Engineering Vulcan Gold IDE controller (IIgs version)")
 
 #define VULCAN_ROM_REGION  "vulcan_rom"
 #define VULCAN_ATA_TAG     "vulcan_ata"
@@ -73,6 +74,11 @@ ROM_START( vulcan )
 	ROM_LOAD( "ae vulcan rom v1.4.bin", 0x000000, 0x004000, CRC(798d5825) SHA1(1d668e856e33c6eeb10fe26975341afa8acb81f5) )
 ROM_END
 
+ROM_START( vulcaniie )
+	ROM_REGION(0x4000, VULCAN_ROM_REGION, 0)
+	ROM_LOAD( "ae vulcan vul 1.42e20 - 27128.bin", 0x000000, 0x004000, CRC(eee02aea) SHA1(d88ed27cd776f967b0e3440e05712b3830995f24) )
+ROM_END
+
 ROM_START( vulcangold )
 	ROM_REGION(0x4000, VULCAN_ROM_REGION, 0)
 	ROM_LOAD( "ae vulcan gold rom v2.0.bin", 0x000000, 0x004000, CRC(19bc3958) SHA1(96a22c2540fa603648a4e638e176eee76523b4e1) )
@@ -100,6 +106,11 @@ const tiny_rom_entry *a2bus_vulcan_device::device_rom_region() const
 	return ROM_NAME( vulcan );
 }
 
+const tiny_rom_entry *a2bus_vulcaniie_device::device_rom_region() const
+{
+	return ROM_NAME( vulcaniie );
+}
+
 const tiny_rom_entry *a2bus_vulcangold_device::device_rom_region() const
 {
 	return ROM_NAME( vulcangold );
@@ -121,6 +132,11 @@ a2bus_vulcan_device::a2bus_vulcan_device(const machine_config &mconfig, const ch
 {
 }
 
+a2bus_vulcaniie_device::a2bus_vulcaniie_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
+	a2bus_vulcanbase_device(mconfig, A2BUS_VULCANIIE, tag, owner, clock)
+{
+}
+
 a2bus_vulcangold_device::a2bus_vulcangold_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
 	a2bus_vulcanbase_device(mconfig, A2BUS_VULCANGOLD, tag, owner, clock)
 {
@@ -150,6 +166,16 @@ void a2bus_vulcan_device::device_start()
 	m_rom[0x59f] = 0xea;
 }
 
+void a2bus_vulcaniie_device::device_start()
+{
+	// call base class
+	a2bus_vulcanbase_device::device_start();
+
+	// disable 40 meg partition size limit / protection in v1.4 ROMs
+	m_rom[0x540] = 0xea;
+	m_rom[0x541] = 0xea;
+}
+
 void a2bus_vulcanbase_device::device_reset()
 {
 	m_rombank = m_rambank = 0;
diff --git a/src/devices/bus/a2bus/a2vulcan.h b/src/devices/bus/a2bus/a2vulcan.h
index c3bacde05c5..a1f867196c4 100644
--- a/src/devices/bus/a2bus/a2vulcan.h
+++ b/src/devices/bus/a2bus/a2vulcan.h
@@ -62,6 +62,16 @@ protected:
 protected:
 };
 
+class a2bus_vulcaniie_device : public a2bus_vulcanbase_device
+{
+public:
+	a2bus_vulcaniie_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+	virtual const tiny_rom_entry *device_rom_region() const override;
+
+protected:
+	virtual void device_start() override;
+};
+
 class a2bus_vulcangold_device : public a2bus_vulcanbase_device
 {
 public:
@@ -71,6 +81,7 @@ public:
 
 // device type definition
 DECLARE_DEVICE_TYPE(A2BUS_VULCAN,     a2bus_vulcan_device)
+DECLARE_DEVICE_TYPE(A2BUS_VULCANIIE,  a2bus_vulcaniie_device)
 DECLARE_DEVICE_TYPE(A2BUS_VULCANGOLD, a2bus_vulcangold_device)
 
 #endif // MAME_BUS_A2BUS_VULCAN_H
diff --git a/src/mame/drivers/apple2e.cpp b/src/mame/drivers/apple2e.cpp
index 2d9f31c7508..dc9c7355630 100644
--- a/src/mame/drivers/apple2e.cpp
+++ b/src/mame/drivers/apple2e.cpp
@@ -3981,8 +3981,7 @@ static void apple2_cards(device_slot_interface &device)
 	device.option_add("ssprite", A2BUS_SSPRITE);    /* Synetix SuperSprite Board */
 	device.option_add("ssbapple", A2BUS_SSBAPPLE);  /* SSB Apple speech board */
 	device.option_add("twarp", A2BUS_TRANSWARP);    /* AE TransWarp accelerator */
-	device.option_add("vulcan", A2BUS_VULCAN); /* Applied Engineering Vulcan IDE drive */
-	device.option_add("vulcangold", A2BUS_VULCANGOLD); /* Applied Engineering Vulcan Gold IDE drive */
+	device.option_add("vulcan", A2BUS_VULCANIIE); /* Applied Engineering Vulcan IDE drive */
 }
 
 static void apple2eaux_cards(device_slot_interface &device)