diff --git a/src/FatFs/ffconf.h b/src/FatFs/ffconf.h
index 643b8b980..3334e6f2d 100644
--- a/src/FatFs/ffconf.h
+++ b/src/FatFs/ffconf.h
@@ -40,7 +40,7 @@
 /* To enable string functions, set _USE_STRFUNC to 1 or 2. */
 
 
-#define	_USE_MKFS	0	/* 0:Disable or 1:Enable */
+#define	_USE_MKFS	1	/* 0:Disable or 1:Enable */
 /* To enable f_mkfs function, set _USE_MKFS to 1 and set _FS_READONLY to 0 */
 
 
diff --git a/src/general_menus.cpp b/src/general_menus.cpp
index b44dbb43d..925db7f4d 100644
--- a/src/general_menus.cpp
+++ b/src/general_menus.cpp
@@ -572,7 +572,7 @@ void menuProcSd(uint8_t event)
   switch(event) {
     case EVT_ENTRY:
       f_chdir("/");
-      reusableBuffer.sd.offset = 255;
+      reusableBuffer.sd.offset = 65535;
       break;
 #if defined(ROTARY_ENCODERS)
     case EVT_KEY_FIRST(BTN_REa):
@@ -605,7 +605,11 @@ void menuProcSd(uint8_t event)
 #endif
     case EVT_KEY_LONG(KEY_MENU):
       killEvents(event);
-      if (m_posVert > 0) {
+      if (m_posVert == 0) {
+        s_menu[s_menu_count++] = STR_SD_INFO;
+        s_menu[s_menu_count++] = STR_SD_FORMAT;
+      }
+      else {
 #if defined(PCBARM)
         uint8_t index = m_posVert-1-s_pgOfs;
         char * line = reusableBuffer.sd.lines[index];
@@ -620,6 +624,75 @@ void menuProcSd(uint8_t event)
       break;
   }
 
+#define SD_ALPHABETICAL_ORDER
+#ifdef SD_ALPHABETICAL_ORDER
+  if (reusableBuffer.sd.offset != s_pgOfs) {
+    char hidden_line[SD_SCREEN_FILE_LENGTH+1] = "";
+    uint8_t hidden_flag = 0;
+
+    if (s_pgOfs == 0) {
+      reusableBuffer.sd.offset = 0;
+    }
+    else if (s_pgOfs >= reusableBuffer.sd.count-7) {
+      reusableBuffer.sd.offset = s_pgOfs+1;
+    }
+    else if (s_pgOfs > reusableBuffer.sd.offset) {
+      memcpy(hidden_line, reusableBuffer.sd.lines[0], sizeof(hidden_line));
+      hidden_flag = reusableBuffer.sd.flags[0];
+    }
+    else {
+      memcpy(hidden_line, reusableBuffer.sd.lines[6], sizeof(hidden_line));
+      hidden_flag = reusableBuffer.sd.flags[6];
+    }
+
+    memset(reusableBuffer.sd.lines, 0, sizeof(reusableBuffer.sd.lines));
+    reusableBuffer.sd.count = 0;
+
+    FRESULT res = f_opendir(&dir, ".");        /* Open the directory */
+    if (res == FR_OK) {
+      for (;;) {
+        res = f_readdir(&dir, &fno);                   /* Read a directory item */
+        if (res != FR_OK || fno.fname[0] == 0) break;  /* Break on error or end of dir */
+        if (fno.fname[0] == '.' && fno.fname[1] == '\0') continue;             /* Ignore dot entry */
+#if _USE_LFN
+        fn = *fno.lfname ? fno.lfname : fno.fname;
+#else
+        fn = fno.fname;
+#endif
+        reusableBuffer.sd.count++;
+
+        bool isdir = (fno.fattrib & AM_DIR);
+
+        for (uint8_t i=0; i<7; i++) {
+          if (s_pgOfs >= reusableBuffer.sd.offset) {
+            char *line = reusableBuffer.sd.lines[i];
+            if ((!hidden_line[0] || (!isdir && hidden_flag) || (strcmp(hidden_line, fn) < 0)) && (line[0] == '\0' || (isdir&&!reusableBuffer.sd.flags[i]) || strcmp(fn, line) < 0)) {
+              if (i < 7-1) {
+                memmove(reusableBuffer.sd.lines[i+1], line, sizeof(reusableBuffer.sd.lines[i]) * (7-1-i));
+                memmove(&reusableBuffer.sd.flags[i+1], &reusableBuffer.sd.flags[i], sizeof(reusableBuffer.sd.flags[i]) * (7-1-i));
+              }
+              strncpy(line, fn, SD_SCREEN_FILE_LENGTH);
+              reusableBuffer.sd.flags[i] = isdir;
+              break;
+            }
+          }
+          else {
+            char *line = reusableBuffer.sd.lines[6-i];
+            if ((!hidden_line[0] || (isdir && !hidden_flag) || (strcmp(hidden_line, fn) > 0)) && (line[0] == '\0' || (!isdir&&reusableBuffer.sd.flags[6-i]) || strcmp(fn, line) > 0)) {
+              if (i < 7-1) {
+                memmove(reusableBuffer.sd.lines, reusableBuffer.sd.lines[1], sizeof(reusableBuffer.sd.lines[0]) * (6-i));
+                memmove(&reusableBuffer.sd.flags, &reusableBuffer.sd.flags[1], sizeof(reusableBuffer.sd.flags[0]) * (6-i));
+              }
+              strncpy(line, fn, SD_SCREEN_FILE_LENGTH);
+              reusableBuffer.sd.flags[6-i] = isdir;
+              break;
+            }
+          }
+        }
+      }
+    }
+  }
+#else
   if (reusableBuffer.sd.offset != s_pgOfs) {
     memset(reusableBuffer.sd.lines, 0, sizeof(reusableBuffer.sd.lines));
     memset(reusableBuffer.sd.flags, 0, sizeof(reusableBuffer.sd.flags));
@@ -652,6 +725,9 @@ void menuProcSd(uint8_t event)
       }
     }
   }
+#endif
+
+  reusableBuffer.sd.offset = s_pgOfs;
 
   for (uint8_t i=0; i<7; i++) {
     uint8_t y = FH+i*FH;
@@ -666,7 +742,13 @@ void menuProcSd(uint8_t event)
     const char * result = displayMenu(_event);
     if (result) {
       uint8_t index = m_posVert-1-s_pgOfs;
-      if (result == STR_DELETE_FILE) {
+      if (result == STR_SD_FORMAT) {
+        f_mkfs(0, 0, 0);
+        f_mount(0, &g_FATFS_Obj);
+        f_chdir("/");
+        reusableBuffer.sd.offset = -1;
+      }
+      else if (result == STR_DELETE_FILE) {
         f_getcwd(lfn, SD_SCREEN_FILE_LENGTH);
         strcat_P(lfn, PSTR("/"));
         strcat(lfn, reusableBuffer.sd.lines[index]);
diff --git a/src/simpgmspace.cpp b/src/simpgmspace.cpp
index e345b83cc..944040862 100644
--- a/src/simpgmspace.cpp
+++ b/src/simpgmspace.cpp
@@ -287,6 +287,8 @@ namespace simu {
 #include <direct.h>
 #endif
 
+FATFS g_FATFS_Obj;
+
 FRESULT f_stat (const TCHAR*, FILINFO*)
 {
   return FR_OK;
@@ -362,6 +364,12 @@ FRESULT f_readdir (DIR * rep, FILINFO * fil)
   return FR_OK;
 }
 
+FRESULT f_mkfs (unsigned char, unsigned char, unsigned int)
+{
+  printf("Format SD...\n"); fflush(stdout);
+  return FR_OK;
+}
+
 FRESULT f_mkdir (const TCHAR*)
 {
   return FR_OK;
diff --git a/src/translations.cpp b/src/translations.cpp
index f7b13482c..30ee57aab 100644
--- a/src/translations.cpp
+++ b/src/translations.cpp
@@ -357,6 +357,8 @@ const pm_char STR_PLAY_FILE[] PROGMEM = TR_PLAY_FILE;
 const pm_char STR_DELETE_FILE[] PROGMEM = TR_DELETE_FILE;
 const pm_char STR_COPY_FILE[] PROGMEM = TR_COPY_FILE;
 const pm_char STR_RENAME_FILE[] PROGMEM = TR_RENAME_FILE;
+const pm_char STR_SD_INFO[] PROGMEM = TR_SD_INFO;
+const pm_char STR_SD_FORMAT[] PROGMEM = TR_SD_FORMAT;
 const pm_char STR_REMOVED[] PROGMEM = TR_REMOVED;
 const pm_char STR_NA[] PROGMEM = TR_NA;
 
diff --git a/src/translations.h b/src/translations.h
index fbbccd77e..c746e3894 100644
--- a/src/translations.h
+++ b/src/translations.h
@@ -439,6 +439,8 @@ extern const pm_char STR_DELETE_FILE[];
 extern const pm_char STR_COPY_FILE[];
 extern const pm_char STR_RENAME_FILE[];
 extern const pm_char STR_REMOVED[];
+extern const pm_char STR_SD_INFO[];
+extern const pm_char STR_SD_FORMAT[];
 extern const pm_char STR_NA[];
 
 
diff --git a/src/translations/cz.h b/src/translations/cz.h
index b06df0358..9ed237da0 100644
--- a/src/translations/cz.h
+++ b/src/translations/cz.h
@@ -429,4 +429,6 @@
 #define TR_COPY_FILE           "Kop\204rovat"
 #define TR_RENAME_FILE         "P\206ejmenovat"
 #define TR_REMOVED             " odstran\203n"
+#define TR_SD_INFO             "Infos"
+#define TR_SD_FORMAT           "Format"
 #define TR_NA                  "[X]"
diff --git a/src/translations/de.h b/src/translations/de.h
index 07b235d1a..436f94f61 100644
--- a/src/translations/de.h
+++ b/src/translations/de.h
@@ -429,4 +429,6 @@
 #define TR_COPY_FILE           "Copy"
 #define TR_RENAME_FILE         "Rename"
 #define TR_REMOVED             " removed"
+#define TR_SD_INFO             "Infos"
+#define TR_SD_FORMAT           "Format"
 #define TR_NA                  "N/A"
diff --git a/src/translations/en.h b/src/translations/en.h
index c7c1cde94..f6a7cc7ff 100644
--- a/src/translations/en.h
+++ b/src/translations/en.h
@@ -435,4 +435,6 @@
 #define TR_COPY_FILE           "Copy"
 #define TR_RENAME_FILE         "Rename"
 #define TR_REMOVED             " removed"
+#define TR_SD_INFO             "Infos"
+#define TR_SD_FORMAT           "Format"
 #define TR_NA                  "N/A"
diff --git a/src/translations/fr.h b/src/translations/fr.h
index 8f488131b..4e48d0106 100644
--- a/src/translations/fr.h
+++ b/src/translations/fr.h
@@ -428,4 +428,6 @@
 #define TR_COPY_FILE           "Copier"
 #define TR_RENAME_FILE         "Renommer"
 #define TR_REMOVED             " supprim\200"
+#define TR_SD_INFO             "Infos"
+#define TR_SD_FORMAT           "Formatter"
 #define TR_NA                  "N/D"
diff --git a/src/translations/it.h b/src/translations/it.h
index 6442b63ec..5868c1531 100644
--- a/src/translations/it.h
+++ b/src/translations/it.h
@@ -429,4 +429,6 @@
 #define TR_COPY_FILE           "Copia"
 #define TR_RENAME_FILE         "Rinomomina"
 #define TR_REMOVED             " rimosso"
+#define TR_SD_INFO             "Infos"
+#define TR_SD_FORMAT           "Format"
 #define TR_NA                  "N/A"
diff --git a/src/translations/se.h b/src/translations/se.h
index 614fb50cf..df8ab59ec 100644
--- a/src/translations/se.h
+++ b/src/translations/se.h
@@ -427,4 +427,6 @@
 #define TR_COPY_FILE           "Kopia"
 #define TR_RENAME_FILE         "Byt namn"
 #define TR_REMOVED             " raderad"
+#define TR_SD_INFO             "Infos"
+#define TR_SD_FORMAT           "Format"
 #define TR_NA                  "N/A"