diff --git a/src/emu/machine/cr589.c b/src/emu/machine/cr589.c
index 3c3d36014d1..292c8e06775 100644
--- a/src/emu/machine/cr589.c
+++ b/src/emu/machine/cr589.c
@@ -6,7 +6,8 @@
 const device_type SCSI_CR589 = &device_creator<scsi_cr589_device>;
 
 scsi_cr589_device::scsi_cr589_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
-	: scsicd_device(mconfig, SCSI_CR589, "SCSI CR589", tag, owner, clock, "scsi_cr589", __FILE__)
+	: scsicd_device(mconfig, SCSI_CR589, "SCSI CR589", tag, owner, clock, "scsi_cr589", __FILE__),
+	device_nvram_interface(mconfig, *this)
 {
 }
 
@@ -18,13 +19,51 @@ void scsi_cr589_device::device_start()
 	scsicd_device::device_start();
 
 	download = 0;
-	memcpy( &buffer[ identity_offset ], "MATSHITACD-ROM CR-589   GS0N", 28 );
 
 	save_item(NAME(download));
 	save_item(NAME(buffer));
 	save_item(NAME(bufferOffset));
 }
 
+
+
+//-------------------------------------------------
+//  nvram_default - called to initialize NVRAM to
+//  its default state
+//-------------------------------------------------
+
+void scsi_cr589_device::nvram_default()
+{
+	memset( buffer, 0, sizeof(buffer));
+	memcpy( &buffer[ identity_offset ], "MATSHITACD-ROM CR-589   GS0N", 28 );
+}
+
+
+
+//-------------------------------------------------
+//  nvram_read - called to read NVRAM from the
+//  .nv file
+//-------------------------------------------------
+
+void scsi_cr589_device::nvram_read(emu_file &file)
+{
+	file.read(buffer, sizeof(buffer));
+}
+
+
+
+//-------------------------------------------------
+//  nvram_write - called to write NVRAM to the
+//  .nv file
+//-------------------------------------------------
+
+void scsi_cr589_device::nvram_write(emu_file &file)
+{
+	file.write(buffer, sizeof(buffer));
+}
+
+
+
 void scsi_cr589_device::ExecCommand( int *transferLength )
 {
 	switch( command[ 0 ] )
diff --git a/src/emu/machine/cr589.h b/src/emu/machine/cr589.h
index 66e40bc7166..ef8d9c8edf5 100644
--- a/src/emu/machine/cr589.h
+++ b/src/emu/machine/cr589.h
@@ -17,7 +17,8 @@
 #include "atapihle.h"
 #include "scsicd.h"
 
-class scsi_cr589_device : public scsicd_device
+class scsi_cr589_device : public scsicd_device,
+	public device_nvram_interface
 {
 public:
 	// construction/destruction
@@ -31,6 +32,11 @@ protected:
 	// device-level overrides
 	virtual void device_start();
 
+	// device_nvram_interface overrides
+	virtual void nvram_default();
+	virtual void nvram_read(emu_file &file);
+	virtual void nvram_write(emu_file &file);
+
 private:
 	int download;
 	UINT8 buffer[ 65536 ];