Index: config.hpp
===================================================================
--- config.hpp	(revision 6399)
+++ config.hpp	(working copy)
@@ -319,6 +319,7 @@
 	int UseExternalViewer;
 	int ShowKeyBar; // $ 15.07.2000 tran + ShowKeyBar
 	int AnsiCodePageAsDefault;
+	int RefreshOnRemovable;
 	int ShowTitleBar;
 	int SearchRegexp;
 	int MaxLineSize; // 100..100000, default=10000
Index: viewer.cpp
===================================================================
--- viewer.cpp	(revision 6399)
+++ viewer.cpp	(working copy)
@@ -400,7 +400,7 @@
 		DriveType = DRIVE_CDROM;
 	switch (DriveType) //??? make it configurable
 	{
-		case DRIVE_REMOVABLE: update_check_period = -1;  break; // flash drive or floppy: never
+		case DRIVE_REMOVABLE: update_check_period = ViOpt.RefreshOnRemovable ? 500 : -1; break; // flash drive or floppy: 0.5 sec
 		case DRIVE_FIXED:     update_check_period = +1;  break; // hard disk: 1 msec
 		case DRIVE_REMOTE:    update_check_period = 500; break; // network drive: 0.5 sec
 		case DRIVE_CDROM:     update_check_period = -1;  break; // cd/dvd: never
Index: config.cpp
===================================================================
--- config.cpp	(revision 6399)
+++ config.cpp	(working copy)
@@ -442,6 +442,7 @@
 		Builder.AddEmptyLine();
 		Builder.AddCheckbox(MViewAutoDetectCodePage, &ViOpt.AutoDetectCodePage);
 		Builder.AddCheckbox(MViewConfigAnsiCodePageAsDefault, &ViOpt.AnsiCodePageAsDefault);
+		Builder.AddCheckbox(MViewConfigRefreshOnRemovable, &ViOpt.RefreshOnRemovable);
 	}
 	Builder.AddOKCancel();
 	if (Builder.ShowDialog())
@@ -590,6 +591,7 @@
 	{1, GeneralConfig::TYPE_INTEGER, NKeyViewer,L"Wrap",&Opt.ViOpt.ViewerWrap,0, 0},
 	{1, GeneralConfig::TYPE_INTEGER, NKeyViewer,L"PersistentBlocks",&Opt.ViOpt.PersistentBlocks,0, 0},
 	{1, GeneralConfig::TYPE_INTEGER, NKeyViewer,L"AnsiCodePageAsDefault",&Opt.ViOpt.AnsiCodePageAsDefault,1, 0},
+	{1, GeneralConfig::TYPE_INTEGER, NKeyViewer,L"RefreshOnRemovable",&Opt.ViOpt.RefreshOnRemovable,0, 0},
 
 	{0, GeneralConfig::TYPE_INTEGER, NKeyViewer,L"MaxLineSize",&Opt.ViOpt.MaxLineSize,ViewerOptions::eDefLineSize, 0},
 	{0, GeneralConfig::TYPE_INTEGER, NKeyViewer,L"SearchEditFocus",&Opt.ViOpt.SearchEditFocus,0, 0},
Index: farlang.templ.m4
===================================================================
--- farlang.templ.m4	(revision 6399)
+++ farlang.templ.m4	(working copy)
@@ -2248,6 +2248,15 @@
 "&Otwieraj pliki w kodowaniu Windows"
 "Usar código ANS&I por defecto"
 
+MViewConfigRefreshOnRemovable
+"Авто&обновление на сменных носителях"
+"Auto&refresh on removable drives"
+upd:"Autorefresh on removable drives"
+upd:"Autorefresh on removable drives"
+upd:"Autorefresh on removable drives"
+upd:"Autorefresh on removable drives"
+upd:"Autorefresh on removable drives"
+
 MEditConfigTitle
 l:
 "Редактор"

Index: viewer.cpp
===================================================================
--- viewer.cpp	(revision 6429)
+++ viewer.cpp	(working copy)
@@ -245,7 +245,28 @@
 	//InitHex=VM.Hex;
 }
 
+static bool IsDriveTypeFLOPPY( const string &strRoot ) // media have to be inserted...
+{
+	bool floppy = true; // returns true if can't open drive
 
+	string drive = HasPathPrefix(strRoot) ? strRoot : L"\\\\?\\" + strRoot;
+	DeleteEndSlash(drive, false);
+
+	HANDLE hDevice = ::CreateFileW(
+		drive.CPtr(),
+		GENERIC_READ, FILE_SHARE_READ|FILE_SHARE_DELETE, nullptr, OPEN_EXISTING, 0, nullptr
+	);
+	if ( INVALID_HANDLE_VALUE != hDevice )
+	{
+		DISK_GEOMETRY g;
+		DWORD dwOutBytes;
+		if ( DeviceIoControl(hDevice, IOCTL_DISK_GET_DRIVE_GEOMETRY, NULL,0, &g,(DWORD)sizeof(g), &dwOutBytes,NULL)	)
+			floppy = ( g.MediaType != FixedMedia && g.MediaType != RemovableMedia );
+		CloseHandle(hDevice);
+	}
+	return floppy;
+}
+
 int Viewer::OpenFile(const wchar_t *Name,int warning)
 {
 	VM.CodePage=DefCodePage;
@@ -398,9 +419,9 @@
 	int DriveType = FAR_GetDriveType(strRoot);
 	if (IsDriveTypeCDROM(DriveType))
 		DriveType = DRIVE_CDROM;
-	switch (DriveType) //??? make it configurable
-	{
-		case DRIVE_REMOVABLE: update_check_period = -1;  break; // flash drive or floppy: never
+	switch (DriveType)
+	{                                                    // floppy: never, flash drive: 0.5 sec
+		case DRIVE_REMOVABLE: update_check_period	= IsDriveTypeFLOPPY(strRoot) ? -1 : 500; break;
 		case DRIVE_FIXED:     update_check_period = +1;  break; // hard disk: 1 msec
 		case DRIVE_REMOTE:    update_check_period = 500; break; // network drive: 0.5 sec
 		case DRIVE_CDROM:     update_check_period = -1;  break; // cd/dvd: never

Index: viewer.cpp
===================================================================
--- viewer.cpp	(revision 6429)
+++ viewer.cpp	(working copy)
@@ -245,7 +245,28 @@
 	//InitHex=VM.Hex;
 }
 
+static bool IsDriveTypeFLOPPY( const string &strRoot ) // media have to be inserted...
+{
+	bool floppy = true; // returns true if can't open drive
 
+	string drive = HasPathPrefix(strRoot) ? strRoot : L"\\\\?\\" + strRoot;
+	DeleteEndSlash(drive, false);
+
+	HANDLE hDevice = ::CreateFileW(
+		drive.CPtr(),
+		GENERIC_READ, FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE, nullptr, OPEN_EXISTING, 0, nullptr
+	);
+	if ( INVALID_HANDLE_VALUE != hDevice )
+	{
+		DISK_GEOMETRY g;
+		DWORD dwOutBytes;
+		if ( DeviceIoControl(hDevice, IOCTL_DISK_GET_DRIVE_GEOMETRY, NULL,0, &g,(DWORD)sizeof(g), &dwOutBytes,NULL)	)
+			floppy = ( g.MediaType != FixedMedia && g.MediaType != RemovableMedia );
+		CloseHandle(hDevice);
+	}
+	return floppy;
+}
+
 int Viewer::OpenFile(const wchar_t *Name,int warning)
 {
 	VM.CodePage=DefCodePage;
@@ -398,9 +419,9 @@
 	int DriveType = FAR_GetDriveType(strRoot);
 	if (IsDriveTypeCDROM(DriveType))
 		DriveType = DRIVE_CDROM;
-	switch (DriveType) //??? make it configurable
-	{
-		case DRIVE_REMOVABLE: update_check_period = -1;  break; // flash drive or floppy: never
+	switch (DriveType)
+	{                                                    // floppy: never, flash drive: 0.5 sec
+		case DRIVE_REMOVABLE: update_check_period	= IsDriveTypeFLOPPY(strRoot) ? -1 : 500; break;
 		case DRIVE_FIXED:     update_check_period = +1;  break; // hard disk: 1 msec
 		case DRIVE_REMOTE:    update_check_period = 500; break; // network drive: 0.5 sec
 		case DRIVE_CDROM:     update_check_period = -1;  break; // cd/dvd: never