diff --git a/src/FileBrowser.cpp b/src/FileBrowser.cpp
index 97efa63..739c8da 100644
--- a/src/FileBrowser.cpp
+++ b/src/FileBrowser.cpp
@@ -40,9 +40,11 @@ extern Options options;
 #define PNG_WIDTH 320
 #define PNG_HEIGHT 200
 
+extern void GlobalSetDeviceID(u8 id);
+
 unsigned char FileBrowser::LSTBuffer[FileBrowser::LSTBuffer_size];
 
-const unsigned FileBrowser::SwapKeys[30] =
+const unsigned FileBrowser::SwapKeys[33] =
 {
 	KEY_F1, KEY_KP1, KEY_1,
 	KEY_F2, KEY_KP2, KEY_2,
@@ -53,7 +55,8 @@ const unsigned FileBrowser::SwapKeys[30] =
 	KEY_F7, KEY_KP7, KEY_7,
 	KEY_F8, KEY_KP8, KEY_8,
 	KEY_F9, KEY_KP9, KEY_9,
-	KEY_F10, KEY_KP0, KEY_0
+	KEY_F10, KEY_KP0, KEY_0,
+	KEY_F11, KEY_KPMINUS, KEY_MINUS
 };
 
 static const u32 palette[] = 
@@ -375,7 +378,7 @@ FileBrowser::BrowsableList::Entry* FileBrowser::BrowsableList::FindEntry(const c
 	return 0;
 }
 
-FileBrowser::FileBrowser(DiskCaddy* diskCaddy, ROMs* roms, unsigned deviceID, bool displayPNGIcons, ScreenBase* screenMain, ScreenBase* screenLCD, float scrollHighlightRate)
+FileBrowser::FileBrowser(DiskCaddy* diskCaddy, ROMs* roms, u8* deviceID, bool displayPNGIcons, ScreenBase* screenMain, ScreenBase* screenLCD, float scrollHighlightRate)
 	: state(State_Folders)
 	, diskCaddy(diskCaddy)
 	, selectionsMade(false)
@@ -908,18 +911,25 @@ void FileBrowser::UpdateInputFolders()
 		else
 		{
 			unsigned keySetIndex;
-			for (keySetIndex = 0; keySetIndex < ROMs::MAX_ROMS; ++keySetIndex)
+			for (keySetIndex = 0; keySetIndex < 11; ++keySetIndex)
 			{
 				unsigned keySetIndexBase = keySetIndex * 3;
-				if (keyboard->KeyPressed(FileBrowser::SwapKeys[keySetIndexBase]) || keyboard->KeyPressed(FileBrowser::SwapKeys[keySetIndexBase + 1]) || keyboard->KeyPressed(FileBrowser::SwapKeys[keySetIndexBase + 2]))
+				if (keyboard->KeyPressed(FileBrowser::SwapKeys[keySetIndexBase]) 
+				|| keyboard->KeyPressed(FileBrowser::SwapKeys[keySetIndexBase + 1]) 
+				|| keyboard->KeyPressed(FileBrowser::SwapKeys[keySetIndexBase + 2]))
 				{
-					if (roms->ROMValid[keySetIndex])
+					if ( (keySetIndex < ROMs::MAX_ROMS) && (roms->ROMValid[keySetIndex]) )
 					{
 						roms->currentROMIndex = keySetIndex;
 						roms->lastManualSelectedROMIndex = keySetIndex;
 						DEBUG_LOG("Swap ROM %d %s\r\n", keySetIndex, roms->ROMNames[keySetIndex]);
 						ShowDeviceAndROM();
 					}
+					else if ( (keySetIndex >= 7) && (keySetIndex <= 10 ) )
+					{
+						GlobalSetDeviceID( keySetIndex+1 );
+						ShowDeviceAndROM();
+					}
 				}
 			}
 
@@ -1041,7 +1051,7 @@ void FileBrowser::ShowDeviceAndROM()
 	u32 x = 0; // 43 * 8
 	u32 y = screenMain->ScaleY(STATUS_BAR_POSITION_Y) - 20;
 
-	snprintf(buffer, 256, "Device %d %s\r\n", deviceID, roms->ROMNames[roms->currentROMIndex]);
+	snprintf(buffer, 256, "Device %2d %s\r\n", *deviceID, roms->ROMNames[roms->currentROMIndex]);
 	screenMain->PrintText(false, x, y, buffer, textColour, bgColour);
 }
 
diff --git a/src/FileBrowser.h b/src/FileBrowser.h
index 4dc6441..7893b22 100644
--- a/src/FileBrowser.h
+++ b/src/FileBrowser.h
@@ -166,7 +166,7 @@ public:
 		std::vector<BrowsableListView> views;
 	};
 
-	FileBrowser(DiskCaddy* diskCaddy, ROMs* roms, unsigned deviceID, bool displayPNGIcons, ScreenBase* screenMain, ScreenBase* screenLCD, float scrollHighlightRate);
+	FileBrowser(DiskCaddy* diskCaddy, ROMs* roms, u8* deviceID, bool displayPNGIcons, ScreenBase* screenMain, ScreenBase* screenLCD, float scrollHighlightRate);
 
 	void AutoSelectImage(const char* image);
 	void DisplayRoot();
@@ -188,8 +188,6 @@ public:
 
 	void ClearScreen();
 
-	void SetDeviceID(u8 id) { deviceID = id; }
-
 	static const long int LSTBuffer_size = 1024 * 8;
 	static unsigned char LSTBuffer[];
 
@@ -230,7 +228,7 @@ private:
 	bool selectionsMade;
 	const char* lastSelectionName;
 	ROMs* roms;
-	unsigned deviceID;
+	u8* deviceID;
 	bool displayPNGIcons;
 
 	BrowsableList caddySelections;
diff --git a/src/InputMappings.cpp b/src/InputMappings.cpp
index 6c8ed3d..5c2b83b 100644
--- a/src/InputMappings.cpp
+++ b/src/InputMappings.cpp
@@ -175,7 +175,7 @@ bool InputMappings::CheckKeyboardBrowseMode()
 	else
 	{
 		unsigned index;
-		for (index = 0; index < 10; ++index)
+		for (index = 0; index < 11; ++index)
 		{
 			unsigned keySetIndexBase = index * 3;
 			if (keyboard->KeyHeld(FileBrowser::SwapKeys[keySetIndexBase]) || keyboard->KeyHeld(FileBrowser::SwapKeys[keySetIndexBase + 1]) || keyboard->KeyHeld(FileBrowser::SwapKeys[keySetIndexBase + 2]))
diff --git a/src/ROMs.h b/src/ROMs.h
index 7f438bc..38cf962 100644
--- a/src/ROMs.h
+++ b/src/ROMs.h
@@ -34,7 +34,7 @@ public:
 	void ResetCurrentROMIndex();
 
 	static const int ROM_SIZE = 16384;
-	static const int MAX_ROMS = 8;
+	static const int MAX_ROMS = 7;
 
 	unsigned char ROMImages[MAX_ROMS][ROM_SIZE];
 	char ROMNames[MAX_ROMS][256];
diff --git a/src/main.cpp b/src/main.cpp
index b1aa105..9a3b4b4 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -639,8 +639,15 @@ static void PlaySoundDMA()
 
 static void SetVIAsDeviceID(u8 id)
 {
-	if (id & 1) pi1541.VIA[0].GetPortB()->SetInput(VIAPORTPINS_DEVSEL0, true);
-	if (id & 2) pi1541.VIA[0].GetPortB()->SetInput(VIAPORTPINS_DEVSEL1, true);
+	pi1541.VIA[0].GetPortB()->SetInput(VIAPORTPINS_DEVSEL0, id & 1);
+	pi1541.VIA[0].GetPortB()->SetInput(VIAPORTPINS_DEVSEL1, id & 2);
+}
+
+void GlobalSetDeviceID(u8 id)
+{
+	deviceID = id;
+	m_IEC_Commands.SetDeviceId(id);
+	SetVIAsDeviceID(id);
 }
 
 static void CheckAutoMountImage(EXIT_TYPE reset_reason , FileBrowser* fileBrowser)
@@ -677,7 +684,7 @@ void emulator()
 	roms.lastManualSelectedROMIndex = 0;
 
 	diskCaddy.SetScreen(&screen, screenLCD);
-	fileBrowser = new FileBrowser(&diskCaddy, &roms, deviceID, options.DisplayPNGIcons(), &screen, screenLCD, options.ScrollHighlightRate());
+	fileBrowser = new FileBrowser(&diskCaddy, &roms, &deviceID, options.DisplayPNGIcons(), &screen, screenLCD, options.ScrollHighlightRate());
 	fileBrowser->DisplayRoot();
 	pi1541.Initialise();
 
@@ -790,8 +797,7 @@ void emulator()
 							fileBrowser->FolderChanged();
 							break;
 						case IEC_Commands::DEVICEID_CHANGED:
-							deviceID = m_IEC_Commands.GetDeviceId();
-							fileBrowser->SetDeviceID(deviceID);
+							GlobalSetDeviceID( m_IEC_Commands.GetDeviceId() );
 							fileBrowser->ShowDeviceAndROM();
 							SetVIAsDeviceID(deviceID);	// Let the emulated VIA know
 							break;