diff --git a/FruitMachine/AppleII/Peripherals/DiskII/DiskII.swift b/FruitMachine/AppleII/Peripherals/DiskII/DiskII.swift
index 797fd82..f4126e5 100644
--- a/FruitMachine/AppleII/Peripherals/DiskII/DiskII.swift
+++ b/FruitMachine/AppleII/Peripherals/DiskII/DiskII.swift
@@ -77,8 +77,7 @@ class DiskII: NSObject, Peripheral {
     var mediaPosition: Int = 0
     var motorPhase: MotorPhase = .Phase0
     
-    var diskImage = DiskImage(diskPath: "/Users/luigi/apple2/clean332sysmas.do")
-    
+    var diskImage: DiskImage?
     
     init(slot: Int, romPath: String) {
         slotNumber = slot
@@ -102,6 +101,10 @@ class DiskII: NSObject, Peripheral {
                                         action: actionDispatchOperation)
     }
     
+    func attachDiskImage(imagePath: String) {
+        diskImage = DiskImage(diskPath: imagePath)
+    }
+    
     //http://ftp.twaren.net/NetBSD/misc/wrstuden/Apple_PDFs/Software%20control%20of%20IWM.pdf
     private func actionDispatchOperation(something: AnyObject, address: UInt16, byte: UInt8?) -> UInt8? {
         let operationNumber = UInt8(address & 0xFF) - UInt8(0x80 & 0xFF) - UInt8(0x10 * slotNumber)
@@ -224,7 +227,7 @@ class DiskII: NSObject, Peripheral {
                     modeString = "???"
                 }
                 
-                print("Reading byte \(mediaPosition) of track \(currentTrack). DOS is \(modeString) T\(trk) S\(sec).")
+                print("Head is at nibble \(mediaPosition) of track \(currentTrack). DOS is \(modeString) T\(trk) S\(sec).")
                 return readByteOfTrack(track: currentTrack, advance: softswitches.MotorPowered ? 1 : 0)
             }
         case 13:
@@ -243,11 +246,14 @@ class DiskII: NSObject, Peripheral {
     }
     
     func readByteOfTrack(track: Int, advance: Int) -> UInt8 {
-        let trackData = diskImage.encodedTracks[track]
+        if(diskImage == nil) { return 0x00 } //No disk inserted, fail.
         
-        let result = trackData[mediaPosition]
+        let trackData = diskImage?.encodedTracks[track]
+        if(trackData == nil) { return 0x00 } //No disk inserted, fail.
+        
+        let result = trackData![mediaPosition]
         //Advance the drive to the next byte
-        mediaPosition = (mediaPosition + advance) % trackData.count
+        mediaPosition = (mediaPosition + advance) % trackData!.count
         
         return result
     }
diff --git a/FruitMachine/AppleIIViewController.swift b/FruitMachine/AppleIIViewController.swift
index 2d438d8..f53312f 100644
--- a/FruitMachine/AppleIIViewController.swift
+++ b/FruitMachine/AppleIIViewController.swift
@@ -25,13 +25,14 @@ class AppleIIViewController: NSViewController {
         // Do view setup here.
         
         preferencesWindowController = PreferencesWindowController()
-        
         self.view.addSubview(computer.emulatorView)
         
         setupDriveNotifications()
-        
         NotificationCenter.default.addObserver(self, selector: #selector(self.debuggerBreak), name: DebuggerNotifications.Break, object: nil)
         
+        let drive = computer.backplane[6]! as! DiskII
+        drive.attachDiskImage(imagePath: "/Users/luigi/apple2/clean332sysmas.do")
+        
         self.frameTimer = Timer.scheduledTimer(timeInterval: 1.0/60.0,
                                                target: self,
                                                selector: #selector(runEmulation),
diff --git a/FruitMachine/FruitMachine.storyboard b/FruitMachine/FruitMachine.storyboard
index 2fa1cf0..bbd8ce2 100644
--- a/FruitMachine/FruitMachine.storyboard
+++ b/FruitMachine/FruitMachine.storyboard
@@ -64,6 +64,12 @@
                                 <modifierMask key="keyEquivalentModifierMask"/>
                                 <menu key="submenu" title="File" id="bib-Uj-vzu">
                                     <items>
+                                        <menuItem title="Insert Disk into Drive 0..." id="IYa-pn-S38">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                        </menuItem>
+                                        <menuItem title="Insert Disk into Drive 1..." id="Gdi-Dy-E1U">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                        </menuItem>
                                         <menuItem title="Reset" keyEquivalent="r" id="aTl-1u-JFS">
                                             <connections>
                                                 <action selector="doReset:" target="Ady-hI-5gd" id="7dg-B5-6Ok"/>