diff --git a/hardware/arduino/sam/variants/arduino_due_x/debug_scripts/gcc/arduino_due_flash.gdb b/hardware/arduino/sam/variants/arduino_due_x/debug_scripts/gcc/arduino_due_flash.gdb
index a0fb3fd20..4e8375b5f 100644
--- a/hardware/arduino/sam/variants/arduino_due_x/debug_scripts/gcc/arduino_due_flash.gdb
+++ b/hardware/arduino/sam/variants/arduino_due_x/debug_scripts/gcc/arduino_due_flash.gdb
@@ -1,33 +1,37 @@
 #*******************************************************
 #
-#  Connect to J-Link and debug application in flash.
+#  Connect to J-Link and debug application in flash on SAM3X.
 #
 
-# define 'reset' command
+# Define 'reset' command
 define reset
 
 # Connect to the J-Link gdb server
 target remote localhost:2331
+
 # Reset the chip to get to a known state
 monitor reset
 
 # Select flash device
-monitor flash device = AT91SAM3U4E
+monitor flash device = AT91SAM3X8E
+
 # Enable flash download and flash breakpoints
 monitor flash download = 1
+
 # Load the program
 load
 
-# Reset peripheral  (RSTC_CR)
-set *0x400e1200 = 0xA5000004
+# Reset peripheral (RSTC_CR)
+set *0x400e1a00 = 0xA5000004
 
-# Initializing PC and stack pointer
+# Initialize PC and stack pointer
 mon reg sp=(0x80000)
-set *0x80004 = *0x80004 & 0xFFFFFFFE
+#set *0x80004 = *0x80004 & 0xFFFFFFFE
 mon reg pc=(0x80004)
+
 info reg
 
 break main
 
-# end of 'reset' command
+# End of 'reset' command
 end
diff --git a/hardware/arduino/sam/variants/arduino_due_x/debug_scripts/gcc/arduino_due_sram.gdb b/hardware/arduino/sam/variants/arduino_due_x/debug_scripts/gcc/arduino_due_sram.gdb
index c7cc015ba..15a1792a9 100644
--- a/hardware/arduino/sam/variants/arduino_due_x/debug_scripts/gcc/arduino_due_sram.gdb
+++ b/hardware/arduino/sam/variants/arduino_due_x/debug_scripts/gcc/arduino_due_sram.gdb
@@ -1,23 +1,37 @@
-#*************************************************
+#*******************************************************
 #
-#  Connect to J-Link and debug application in sram on SAM3U
+#  Connect to J-Link and debug application in sram on SAM3X.
 #
-# Note:
-#     First,users should do Step1 and Step2 according to your project,
-#     then do Step3.
 
-# Step1: Connect to the J-Link gdb server
-#target remote localhost:2331
-#mon reset
+# Define 'reset' command
+define reset
 
-# Step2: Load file(eg. getting-started project)
-#load bin/basic-dhrystone-project-at91sam3u-ek-at91sam3u4-sram.elf
-#symbol-file bin/basic-dhrystone-project-at91sam3u-ek-at91sam3u4-sram.elf
+# Connect to the J-Link gdb server
+target remote localhost:2331
 
-# Step3: Initializing PC and stack pointer
-# Perpheral reset RSTC_CR
-set *0x400e1200 = 0xA5000004
-# Modify pc value to even before writing pc register
+# Reset the chip to get to a known state
+monitor reset
+
+# Select flash device
+monitor flash device = AT91SAM3X8E
+
+# Enable flash download and flash breakpoints
+monitor flash download = 1
+
+# Load the program
+load
+
+# Reset peripheral (RSTC_CR)
+set *0x400e1a00 = 0xA5000004
+
+# Initialize PC and stack pointer
 mon reg sp=(0x20000000)
-set *0x20000004 = *0x20000004 & 0xFFFFFFFE
+#set *0x20000004 = *0x20000004 & 0xFFFFFFFE
 mon reg pc=(0x20000004)
+
+info reg
+
+break main
+
+# End of 'reset' command
+end
diff --git a/hardware/atmel/sam/variants/sam3x_ek/debug_scripts/gcc/sam3x_ek_flash.gdb b/hardware/atmel/sam/variants/sam3x_ek/debug_scripts/gcc/sam3x_ek_flash.gdb
index a0fb3fd20..caf3b3cee 100644
--- a/hardware/atmel/sam/variants/sam3x_ek/debug_scripts/gcc/sam3x_ek_flash.gdb
+++ b/hardware/atmel/sam/variants/sam3x_ek/debug_scripts/gcc/sam3x_ek_flash.gdb
@@ -1,33 +1,37 @@
 #*******************************************************
 #
-#  Connect to J-Link and debug application in flash.
+#  Connect to J-Link and debug application in flash on SAM3X.
 #
 
-# define 'reset' command
+# Define 'reset' command
 define reset
 
 # Connect to the J-Link gdb server
 target remote localhost:2331
+
 # Reset the chip to get to a known state
 monitor reset
 
 # Select flash device
-monitor flash device = AT91SAM3U4E
+monitor flash device = AT91SAM3X8H
+
 # Enable flash download and flash breakpoints
 monitor flash download = 1
+
 # Load the program
 load
 
-# Reset peripheral  (RSTC_CR)
-set *0x400e1200 = 0xA5000004
+# Reset peripheral (RSTC_CR)
+set *0x400e1a00 = 0xA5000004
 
-# Initializing PC and stack pointer
+# Initialize PC and stack pointer
 mon reg sp=(0x80000)
-set *0x80004 = *0x80004 & 0xFFFFFFFE
+#set *0x80004 = *0x80004 & 0xFFFFFFFE
 mon reg pc=(0x80004)
+
 info reg
 
 break main
 
-# end of 'reset' command
+# End of 'reset' command
 end
diff --git a/hardware/atmel/sam/variants/sam3x_ek/debug_scripts/gcc/sam3x_ek_sram.gdb b/hardware/atmel/sam/variants/sam3x_ek/debug_scripts/gcc/sam3x_ek_sram.gdb
index 5fa44e23c..595b46b6c 100644
--- a/hardware/atmel/sam/variants/sam3x_ek/debug_scripts/gcc/sam3x_ek_sram.gdb
+++ b/hardware/atmel/sam/variants/sam3x_ek/debug_scripts/gcc/sam3x_ek_sram.gdb
@@ -1,29 +1,37 @@
 #*******************************************************
 #
-#  Connect to J-Link and debug application in flash.
+#  Connect to J-Link and debug application in sram on SAM3X.
 #
 
-# define 'reset' command
+# Define 'reset' command
 define reset
 
 # Connect to the J-Link gdb server
 target remote localhost:2331
+
 # Reset the chip to get to a known state
 monitor reset
 
+# Select flash device
+monitor flash device = AT91SAM3X8H
+
+# Enable flash download and flash breakpoints
+monitor flash download = 1
+
 # Load the program
 load
 
-# Reset peripheral  (RSTC_CR)
-set *0x400e1200 = 0xA5000004
+# Reset peripheral (RSTC_CR)
+set *0x400e1a00 = 0xA5000004
 
-# Initializing PC and stack pointer
+# Initialize PC and stack pointer
 mon reg sp=(0x20000000)
-set *0x20000004 = *0x20000004 & 0xFFFFFFFE
+#set *0x20000004 = *0x20000004 & 0xFFFFFFFE
 mon reg pc=(0x20000004)
+
 info reg
 
 break main
 
-# end of 'reset' command
+# End of 'reset' command
 end