diff --git a/SD/BIN/BACKZX2 b/SD/BIN/BACKZX2
index fd8c857..1c5b78a 100644
Binary files a/SD/BIN/BACKZX2 and b/SD/BIN/BACKZX2 differ
diff --git a/SD/BIN/BACKZXD b/SD/BIN/BACKZXD
index 4f63efa..4c2a9a8 100644
Binary files a/SD/BIN/BACKZXD and b/SD/BIN/BACKZXD differ
diff --git a/SD/BIN/UPGRZX2 b/SD/BIN/UPGRZX2
index f17d58c..8f8ac9a 100644
Binary files a/SD/BIN/UPGRZX2 and b/SD/BIN/UPGRZX2 differ
diff --git a/SD/BIN/UPGRZXD b/SD/BIN/UPGRZXD
index 226010f..19d4123 100644
Binary files a/SD/BIN/UPGRZXD and b/SD/BIN/UPGRZXD differ
diff --git a/SD/FLASH.ZXD b/SD/FLASH.ZXD
new file mode 100644
index 0000000..717f139
Binary files /dev/null and b/SD/FLASH.ZXD differ
diff --git a/SD/FLASH_32.ZXD b/SD/FLASH_32.ZXD
new file mode 100644
index 0000000..dd6ca15
Binary files /dev/null and b/SD/FLASH_32.ZXD differ
diff --git a/utils/back32m.asm b/utils/back32m.asm
index 44e2482..669d177 100644
--- a/utils/back32m.asm
+++ b/utils/back32m.asm
@@ -47,9 +47,9 @@
 
         define  VERSION "0.1"
               IF zxdos=1
-        define  FLASH_FILE "FLASH.ZX2"
+        define  FLASH_FILE "FLASH_32.ZX2"
               ELSE
-        define  FLASH_FILE "FLASH.ZXD"
+        define  FLASH_FILE "FLASH_32.ZXD"
               ENDIF
 
                 org     $2000           ; comienzo de la ejecución de los comandos ESXDOS
diff --git a/utils/upgr32m.asm b/utils/upgr32m.asm
index 4236fa2..5ba90e2 100644
--- a/utils/upgr32m.asm
+++ b/utils/upgr32m.asm
@@ -1,4 +1,4 @@
-; upgr32m.asm - write the content of a FLASH.ZX2 or FLASH.ZXD file, in
+; upgr32m.asm - write the content of a FLASH_32.ZX2 or FLASH_32.ZXD file, in
 ; the root directory of the microSD card, to a 32 Meg SPI Flash memory.
 ;
 ; It must be run while using a "root" mode ROM.
@@ -44,9 +44,9 @@
 
         define  VERSION "0.1"
               IF zxdos=1
-        define  FLASH_FILE "FLASH.ZX2"
+        define  FLASH_FILE "FLASH_32.ZX2"
               ELSE
-        define  FLASH_FILE "FLASH.ZXD"
+        define  FLASH_FILE "FLASH_32.ZXD"
               ENDIF
 
                 org     $2000           ; comienzo de la ejecución de los comandos ESXDOS