diff --git a/Makefile.STM32FX b/Makefile.STM32FX
index 5c3cb07..b096bf0 100644
--- a/Makefile.STM32FX
+++ b/Makefile.STM32FX
@@ -18,9 +18,6 @@ BINBIN_F1=dvm-firmware-hs_f1.bin
 BINELF_F1BL=dvm-firmware-hs_f1bl.elf
 BINHEX_F1BL=dvm-firmware-hs_f1bl.hex
 BINBIN_F1BL=dvm-firmware-hs_f1bl.bin
-BINELF_F1NOBL=dvm-firmware-hs_f1nobl.elf
-BINHEX_F1NOBL=dvm-firmware-hs_f1nobl.hex
-BINBIN_F1NOBL=dvm-firmware-hs_f1nobl.bin
 BINELF_F4=dvm-firwmare-hs_f4.elf
 BINHEX_F4=dvm-firmware-hs_f4.hex
 BINBIN_F4=dvm-firmware-hs_f4.bin
@@ -105,17 +102,19 @@ CXXFLAGS_F1=-c $(MCFLAGS_F1) $(INCLUDES_F1)
 CFLAGS_F4=-c $(MCFLAGS_F4) $(INCLUDES_F4)
 CXXFLAGS_F4=-c $(MCFLAGS_F4) $(INCLUDES_F4)
 # Linker flags
-LDFLAGS_F1_N =-T normal.ld $(MCFLAGS_F1) $(INCLUDES_LIBS_F1)
-LDFLAGS_F1_BL =-T bootloader.ld $(MCFLAGS_F1) $(INCLUDES_LIBS_F1)
+LDFLAGS_F1_N =-T stm32f10x_normal.ld $(MCFLAGS_F1) $(INCLUDES_LIBS_F1)
+LDFLAGS_F1_D =-T stm32f10x_debug.ld $(MCFLAGS_F1) $(INCLUDES_LIBS_F1)
+LDFLAGS_F1_BL =-T stm32f10x_bootloader.ld $(MCFLAGS_F1) $(INCLUDES_LIBS_F1)
 LDFLAGS_F4 =-T stm32f4xx_link.ld $(MCFLAGS_F4) $(INCLUDES_LIBS_F4)
+LDFLAGS_F4_D =-T stm32f4xx_link_debug.ld $(MCFLAGS_F4) $(INCLUDES_LIBS_F4)
 
 # Common flags
-CFLAGS=-Os -ffunction-sections -fdata-sections -fno-builtin -Wno-implicit -DCUSTOM_NEW -DNO_EXCEPTIONS
-CXXFLAGS=-Os -fno-exceptions -ffunction-sections -fdata-sections -fno-builtin -fno-rtti -DCUSTOM_NEW -DNO_EXCEPTIONS
-LDFLAGS=-Os --specs=nano.specs --specs=nosys.specs
+CFLAGS=-Os -g -ffunction-sections -fdata-sections -fno-builtin -Wno-implicit -DCUSTOM_NEW -DNO_EXCEPTIONS
+CXXFLAGS=-Os -g -fno-exceptions -ffunction-sections -fdata-sections -fno-builtin -fno-rtti -DCUSTOM_NEW -DNO_EXCEPTIONS
+LDFLAGS=-Os -g --specs=nano.specs --specs=nosys.specs
 
 # Build Rules
-.PHONY: all release_f1 release_f4 hs bl nobl pi-f4 f446 clean
+.PHONY: all release_f1 release_f4 hs bl pi-f4 f446 clean
 
 all: hs
 
@@ -148,9 +147,15 @@ lonestar-usb: bl
 mmdvm-hs-hat: CFLAGS+=-DMMDVM_HS_HAT_REV12 -DSTM32_USART1_HOST
 mmdvm-hs-hat: CXXFLAGS+=-DMMDVM_HS_HAT_REV12 -DSTM32_USART1_HOST
 mmdvm-hs-hat: hs
+mmdvm-hs-hat-debug: CFLAGS+=-DMMDVM_HS_HAT_REV12 -DSTM32_USART1_HOST
+mmdvm-hs-hat-debug: CXXFLAGS+=-DMMDVM_HS_HAT_REV12 -DSTM32_USART1_HOST
+mmdvm-hs-hat-debug: hs-debug
 mmdvm-hs-hat-dual: CFLAGS+=-DDUPLEX
 mmdvm-hs-hat-dual: CXXFLAGS+=-DDUPLEX
 mmdvm-hs-hat-dual: mmdvm-hs-hat
+mmdvm-hs-hat-dual-debug: CFLAGS+=-DDUPLEX
+mmdvm-hs-hat-dual-debug: CXXFLAGS+=-DDUPLEX
+mmdvm-hs-hat-dual-debug: mmdvm-hs-hat-debug
 mmdvm-hs-hat-usb: CFLAGS+=-DMMDVM_HS_HAT_REV12 -DSTM32_USB_HOST
 mmdvm-hs-hat-usb: CXXFLAGS+=-DMMDVM_HS_HAT_REV12 -DSTM32_USB_HOST
 mmdvm-hs-hat-usb: bl
@@ -163,16 +168,16 @@ hs: CXXFLAGS+=$(CXXFLAGS_F1) $(DEFS_F1_HS)
 hs: LDFLAGS+=$(LDFLAGS_F1_N)
 hs: release_f1
 
+hs-debug: CFLAGS+=$(CFLAGS_F1) $(DEFS_F1_HS)
+hs-debug: CXXFLAGS+=$(CXXFLAGS_F1) $(DEFS_F1_HS)
+hs-debug: LDFLAGS+=$(LDFLAGS_F1_D)
+hs-debug: release_f1
+
 bl: CFLAGS+=$(CFLAGS_F1) $(DEFS_F1_HS_BL)
 bl: CXXFLAGS+=$(CXXFLAGS_F1) $(DEFS_F1_HS_BL)
 bl: LDFLAGS+=$(LDFLAGS_F1_BL)
 bl: release_f1bl
 
-nobl: CFLAGS+=$(CFLAGS_F1) $(DEFS_F1_HS)
-nobl: CXXFLAGS+=$(CXXFLAGS_F1) $(DEFS_F1_HS)
-nobl: LDFLAGS+=$(LDFLAGS_F1_N)
-nobl: release_f1nobl
-
 release_f1: $(BINDIR)
 release_f1: $(OBJDIR_F1)
 release_f1: $(BINDIR)/$(BINBIN_F1)
@@ -181,10 +186,6 @@ release_f1bl: $(BINDIR)
 release_f1bl: $(OBJDIR_F1)
 release_f1bl: $(BINDIR)/$(BINBIN_F1BL)
 
-release_f1nobl: $(BINDIR)
-release_f1nobl: $(OBJDIR_F1)
-release_f1nobl: $(BINDIR)/$(BINBIN_F1NOBL)
-
 release_f4: $(BINDIR)
 release_f4: $(OBJDIR_F4)
 release_f4: $(BINDIR)/$(BINBIN_F4)
@@ -208,12 +209,6 @@ $(BINDIR)/$(BINELF_F1BL): $(OBJ_F1BL)
 	$(CXX) $(OBJ_F1BL) $(LDFLAGS) -o $@
 	$(SIZE) $(BINDIR)/$(BINELF_F1BL)
 
-$(BINDIR)/$(BINBIN_F1NOBL): $(BINDIR)/$(BINELF_F1NOBL)
-	$(CP) -O binary $< $@
-$(BINDIR)/$(BINELF_F1NOBL): $(OBJ_F1BL)
-	$(CXX) $(OBJ_F1BL) $(LDFLAGS) -o $@
-	$(SIZE) $(BINDIR)/$(BINELF_F1NOBL)
-
 $(BINDIR)/$(BINBIN_F1): $(BINDIR)/$(BINELF_F1)
 	$(CP) -O binary $< $@
 $(BINDIR)/$(BINELF_F1): $(OBJ_F1)
diff --git a/bootloader.ld b/stm32f10x_bootloader.ld
similarity index 100%
rename from bootloader.ld
rename to stm32f10x_bootloader.ld
diff --git a/stm32f10x_debug.ld b/stm32f10x_debug.ld
new file mode 100644
index 0000000..197c99b
--- /dev/null
+++ b/stm32f10x_debug.ld
@@ -0,0 +1,26 @@
+/*
+ *   Copyright (C) 2016-2018 by Andy Uribe CA6JAU
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+/* Memory areas */
+MEMORY
+{
+	ROM (rx)      : ORIGIN = 0x08000000, LENGTH = 128K   /* FLASH */
+	RAM (xrw)     : ORIGIN = 0x20000000, LENGTH = 20K    /* Main RAM */
+}
+
+INCLUDE stm32f10x_link_debug.ld
\ No newline at end of file
diff --git a/stm32f10x_link_debug.ld b/stm32f10x_link_debug.ld
new file mode 100644
index 0000000..56efe16
--- /dev/null
+++ b/stm32f10x_link_debug.ld
@@ -0,0 +1,161 @@
+/*
+ *   Copyright (C) 2016 by Andy Uribe CA6JAU
+ *   Copyright (C) 2023 by Bryan Biedenkapp N2PLL
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+/* Required amount of heap and stack */
+_min_heap_size = 0x1000;
+_min_stack_size = 0x0800;
+
+/* The entry point in the interrupt vector table */
+ENTRY(Reset_Handler)
+
+/* Stack start address (end of 20K RAM) */
+_estack = ORIGIN(RAM) + LENGTH(RAM);
+
+SECTIONS
+{
+	.text : 
+	{ 
+		/* The interrupt vector table */
+		. = ALIGN(4);
+		KEEP(*(.isr_vector .isr_vector.*))
+		
+		/* The program code */
+		. = ALIGN(4);
+		*(.text .text*)
+		*(.rodata .rodata*)
+		
+		/* ARM-Thumb code */
+		*(.glue_7) *(.glue_7t)              
+		
+		. = ALIGN(4);
+		KEEP(*(.init))
+		KEEP(*(.fini))
+		
+		/* EABI C++ global constructors support */
+		. = ALIGN(4);
+		__preinit_array_start = .;
+		KEEP (*(.preinit_array))		
+		__preinit_array_end = .;
+		
+		/* EABI C++ global constructors support */
+		. = ALIGN(4);
+		__init_array_start = .;
+		KEEP (*(SORT(.init_array.*)))
+		KEEP (*(.init_array))
+		__init_array_end = .;
+		
+		/* EABI C++ global constructors support */
+		. = ALIGN(4);
+		__fini_array_start = .;
+		KEEP (*(.fini_array))
+		KEEP (*(SORT(.fini_array.*)))
+		__fini_array_end = .;
+
+	} > ROM
+ 
+ 	/* ARM sections containing exception unwinding information */
+	.ARM.extab : {
+		__extab_start = .;
+		*(.ARM.extab* .gnu.linkonce.armextab.*) 
+		__extab_end = .;
+	} > ROM
+	
+	/* ARM index entries for section unwinding */
+	.ARM.exidx : {
+		__exidx_start = .;
+		*(.ARM.exidx*)
+		__exidx_end = .;
+	} > ROM
+    
+    /* Start address for the initialization values of the .data section */
+	_sidata = .;
+
+	/* The .data section (initialized data) */
+	.data : AT ( _sidata )
+	{
+		. = ALIGN(4);
+		_sdata = . ;       /* Start address for the .data section */
+		*(.data .data*)
+		
+		. = ALIGN(4);
+		_edata = . ;       /* End address for the .data section */
+	} > RAM
+
+	/* The .bss section (uninitialized data) */
+	.bss :
+	{
+		. = ALIGN(4);
+		_sbss = .;         /* Start address for the .bss section */
+		__bss_start__ = _sbss;
+		*(.bss)
+		*(.bss*)
+		*(COMMON)
+		
+		. = ALIGN(4);
+		_ebss = . ;        /* End address for the .bss section */
+    	__bss_end__ = _ebss;
+	} > RAM
+
+	/* Space for heap and stack */
+	.heap_stack :
+	{
+		end = . ;		  		 /* 'end' symbol defines heap location */
+		_end = end ;
+		. = . + _min_heap_size;  /* Additional space for heap and stack */
+		. = . + _min_stack_size;
+	} > RAM
+
+    /* Stabs debugging sections.  */
+    .stab          0 : { *(.stab) } > ROM
+    .stabstr       0 : { *(.stabstr) } > ROM
+    .stab.excl     0 : { *(.stab.excl) } > ROM
+    .stab.exclstr  0 : { *(.stab.exclstr) } > ROM
+    .stab.index    0 : { *(.stab.index) } > ROM
+    .stab.indexstr 0 : { *(.stab.indexstr) } > ROM
+    .comment       0 : { *(.comment) } > ROM 
+    .gnu.build.attributes : { *(.gnu.build.attributes .gnu.build.attributes.*) } > ROM
+    /* DWARF debug sections.
+        Symbols in the DWARF debugging sections are relative to the beginning
+        of the section so we begin them at 0.  */
+    /* DWARF 1 */
+    .debug          0 : { *(.debug) } > ROM
+    .line           0 : { *(.line) } > ROM
+    /* GNU DWARF 1 extensions */
+    .debug_srcinfo  0 : { *(.debug_srcinfo) } > ROM
+    .debug_sfnames  0 : { *(.debug_sfnames) } > ROM
+    /* DWARF 1.1 and DWARF 2 */
+    .debug_aranges  0 : { *(.debug_aranges) } > ROM
+    .debug_pubnames 0 : { *(.debug_pubnames) } > ROM
+    /* DWARF 2 */
+    .debug_info     0 : { *(.debug_info .gnu.linkonce.wi.*) } > ROM
+    .debug_abbrev   0 : { *(.debug_abbrev) } > ROM
+    .debug_line     0 : { *(.debug_line .debug_line.* .debug_line_end) } > ROM
+    .debug_frame    0 : { *(.debug_frame) } > ROM
+    .debug_str      0 : { *(.debug_str) } > ROM
+    .debug_loc      0 : { *(.debug_loc) } > ROM
+    .debug_macinfo  0 : { *(.debug_macinfo) } > ROM
+
+	/* Remove information from the standard libraries */
+	/DISCARD/ :
+	{
+		libc.a ( * )
+		libm.a ( * )
+		libgcc.a ( * )
+	}
+}
diff --git a/normal.ld b/stm32f10x_normal.ld
similarity index 100%
rename from normal.ld
rename to stm32f10x_normal.ld
diff --git a/stm32f4xx_link_debug.ld b/stm32f4xx_link_debug.ld
new file mode 100644
index 0000000..ef5ae55
--- /dev/null
+++ b/stm32f4xx_link_debug.ld
@@ -0,0 +1,169 @@
+/*
+ *   Copyright (C) 2016 by Andy Uribe CA6JAU
+ *   Copyright (C) 2023 by Bryan Biedenkapp N2PLL
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+/* Required amount of heap and stack */
+_min_heap_size = 0x1000;
+_min_stack_size = 0x0800;
+
+/* The entry point in the interrupt vector table */
+ENTRY(Reset_Handler)
+
+/* Memory areas */
+MEMORY
+{
+	ROM (rx)      : ORIGIN = 0x08000000, LENGTH = 1024K    /* FLASH */
+	CCMRAM (xrw)  : ORIGIN = 0x10000000, LENGTH = 64K      /* Core Coupled Memory (CPU only access) */
+	RAM (xrw)     : ORIGIN = 0x20000000, LENGTH = 128K     /* Main RAM (bus matrix)*/
+}
+
+/* Stack start address (end of 128K RAM) */
+_estack = ORIGIN(RAM) + LENGTH(RAM);
+
+SECTIONS
+{
+	.text : 
+	{ 
+		/* The interrupt vector table */
+		. = ALIGN(4);
+		KEEP(*(.isr_vector .isr_vector.*))
+		
+		/* The program code */
+		. = ALIGN(4);
+		*(.text .text*)
+		*(.rodata .rodata*)
+		
+		/* ARM-Thumb code */
+		*(.glue_7) *(.glue_7t)              
+		
+		. = ALIGN(4);
+		KEEP(*(.init))
+		KEEP(*(.fini))
+		
+		/* EABI C++ global constructors support */
+		. = ALIGN(4);
+		__preinit_array_start = .;
+		KEEP (*(.preinit_array))		
+		__preinit_array_end = .;
+		
+		/* EABI C++ global constructors support */
+		. = ALIGN(4);
+		__init_array_start = .;
+		KEEP (*(SORT(.init_array.*)))
+		KEEP (*(.init_array))
+		__init_array_end = .;
+		
+		/* EABI C++ global constructors support */
+		. = ALIGN(4);
+		__fini_array_start = .;
+		KEEP (*(.fini_array))
+		KEEP (*(SORT(.fini_array.*)))
+		__fini_array_end = .;
+
+	} > ROM
+ 
+ 	/* ARM sections containing exception unwinding information */
+	.ARM.extab : {
+		__extab_start = .;
+		*(.ARM.extab* .gnu.linkonce.armextab.*) 
+		__extab_end = .;
+	} > ROM
+	
+	/* ARM index entries for section unwinding */
+	.ARM.exidx : {
+		__exidx_start = .;
+		*(.ARM.exidx*)
+		__exidx_end = .;
+	} > ROM
+    
+    /* Start address for the initialization values of the .data section */
+	_sidata = .;
+
+	/* The .data section (initialized data) */
+	.data : AT ( _sidata )
+	{
+		. = ALIGN(4);
+		_sdata = . ;       /* Start address for the .data section */
+		*(.data .data*)
+		
+		. = ALIGN(4);
+		_edata = . ;       /* End address for the .data section */
+	} > RAM
+
+	/* The .bss section (uninitialized data) */
+	.bss :
+	{
+		. = ALIGN(4);
+		_sbss = .;         /* Start address for the .bss section */
+		__bss_start__ = _sbss;
+		*(.bss)
+		*(.bss*)
+		*(COMMON)
+		
+		. = ALIGN(4);
+		_ebss = . ;        /* End address for the .bss section */
+    	__bss_end__ = _ebss;
+	} > RAM
+
+	/* Space for heap and stack */
+	.heap_stack :
+	{
+		end = . ;		  		 /* 'end' symbol defines heap location */
+		_end = end ;
+		. = . + _min_heap_size;  /* Additional space for heap and stack */
+		. = . + _min_stack_size;
+	} > RAM
+
+    /* Stabs debugging sections.  */
+    .stab          0 : { *(.stab) } > ROM
+    .stabstr       0 : { *(.stabstr) } > ROM
+    .stab.excl     0 : { *(.stab.excl) } > ROM
+    .stab.exclstr  0 : { *(.stab.exclstr) } > ROM
+    .stab.index    0 : { *(.stab.index) } > ROM
+    .stab.indexstr 0 : { *(.stab.indexstr) } > ROM
+    .comment       0 : { *(.comment) } > ROM 
+    .gnu.build.attributes : { *(.gnu.build.attributes .gnu.build.attributes.*) } > ROM
+    /* DWARF debug sections.
+        Symbols in the DWARF debugging sections are relative to the beginning
+        of the section so we begin them at 0.  */
+    /* DWARF 1 */
+    .debug          0 : { *(.debug) } > ROM
+    .line           0 : { *(.line) } > ROM
+    /* GNU DWARF 1 extensions */
+    .debug_srcinfo  0 : { *(.debug_srcinfo) } > ROM
+    .debug_sfnames  0 : { *(.debug_sfnames) } > ROM
+    /* DWARF 1.1 and DWARF 2 */
+    .debug_aranges  0 : { *(.debug_aranges) } > ROM
+    .debug_pubnames 0 : { *(.debug_pubnames) } > ROM
+    /* DWARF 2 */
+    .debug_info     0 : { *(.debug_info .gnu.linkonce.wi.*) } > ROM
+    .debug_abbrev   0 : { *(.debug_abbrev) } > ROM
+    .debug_line     0 : { *(.debug_line .debug_line.* .debug_line_end) } > ROM
+    .debug_frame    0 : { *(.debug_frame) } > ROM
+    .debug_str      0 : { *(.debug_str) } > ROM
+    .debug_loc      0 : { *(.debug_loc) } > ROM
+    .debug_macinfo  0 : { *(.debug_macinfo) } > ROM
+
+	/* Remove information from the standard libraries */
+	/DISCARD/ :
+	{
+		libc.a ( * )
+		libm.a ( * )
+		libgcc.a ( * )
+	}
+}
diff --git a/stm32f7xx_link_debug.ld b/stm32f7xx_link_debug.ld
new file mode 100644
index 0000000..0f04653
--- /dev/null
+++ b/stm32f7xx_link_debug.ld
@@ -0,0 +1,168 @@
+/*
+ *   Copyright (C) 2017 by Andy Uribe CA6JAU
+ *   Copyright (C) 2023 by Bryan Biedenkapp N2PLL
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+/* Required amount of heap and stack */
+_min_heap_size = 0x1000;
+_min_stack_size = 0x0800;
+
+/* The entry point in the interrupt vector table */
+ENTRY(Reset_Handler)
+
+/* Memory areas */
+MEMORY
+{
+	ROM (rx)      : ORIGIN = 0x08000000, LENGTH = 2048K    /* FLASH */
+	RAM (xrw)     : ORIGIN = 0x20000000, LENGTH = 512K     /* Main RAM */
+}
+
+/* Stack start address (end of 512K RAM) */
+_estack = ORIGIN(RAM) + LENGTH(RAM);
+
+SECTIONS
+{
+	.text : 
+	{ 
+		/* The interrupt vector table */
+		. = ALIGN(4);
+		KEEP(*(.isr_vector .isr_vector.*))
+		
+		/* The program code */
+		. = ALIGN(4);
+		*(.text .text*)
+		*(.rodata .rodata*)
+		
+		/* ARM-Thumb code */
+		*(.glue_7) *(.glue_7t)              
+		
+		. = ALIGN(4);
+		KEEP(*(.init))
+		KEEP(*(.fini))
+		
+		/* EABI C++ global constructors support */
+		. = ALIGN(4);
+		__preinit_array_start = .;
+		KEEP (*(.preinit_array))		
+		__preinit_array_end = .;
+		
+		/* EABI C++ global constructors support */
+		. = ALIGN(4);
+		__init_array_start = .;
+		KEEP (*(SORT(.init_array.*)))
+		KEEP (*(.init_array))
+		__init_array_end = .;
+		
+		/* EABI C++ global constructors support */
+		. = ALIGN(4);
+		__fini_array_start = .;
+		KEEP (*(.fini_array))
+		KEEP (*(SORT(.fini_array.*)))
+		__fini_array_end = .;
+
+	} > ROM
+ 
+ 	/* ARM sections containing exception unwinding information */
+	.ARM.extab : {
+		__extab_start = .;
+		*(.ARM.extab* .gnu.linkonce.armextab.*) 
+		__extab_end = .;
+	} > ROM
+	
+	/* ARM index entries for section unwinding */
+	.ARM.exidx : {
+		__exidx_start = .;
+		*(.ARM.exidx*)
+		__exidx_end = .;
+	} > ROM
+    
+    /* Start address for the initialization values of the .data section */
+	_sidata = .;
+
+	/* The .data section (initialized data) */
+	.data : AT ( _sidata )
+	{
+		. = ALIGN(4);
+		_sdata = . ;       /* Start address for the .data section */
+		*(.data .data*)
+		
+		. = ALIGN(4);
+		_edata = . ;       /* End address for the .data section */
+	} > RAM
+
+	/* The .bss section (uninitialized data) */
+	.bss :
+	{
+		. = ALIGN(4);
+		_sbss = .;         /* Start address for the .bss section */
+		__bss_start__ = _sbss;
+		*(.bss)
+		*(.bss*)
+		*(COMMON)
+		
+		. = ALIGN(4);
+		_ebss = . ;        /* End address for the .bss section */
+    	__bss_end__ = _ebss;
+	} > RAM
+
+	/* Space for heap and stack */
+	.heap_stack :
+	{
+		end = . ;		  		 /* 'end' symbol defines heap location */
+		_end = end ;
+		. = . + _min_heap_size;  /* Additional space for heap and stack */
+		. = . + _min_stack_size;
+	} > RAM
+
+    /* Stabs debugging sections.  */
+    .stab          0 : { *(.stab) } > ROM
+    .stabstr       0 : { *(.stabstr) } > ROM
+    .stab.excl     0 : { *(.stab.excl) } > ROM
+    .stab.exclstr  0 : { *(.stab.exclstr) } > ROM
+    .stab.index    0 : { *(.stab.index) } > ROM
+    .stab.indexstr 0 : { *(.stab.indexstr) } > ROM
+    .comment       0 : { *(.comment) } > ROM 
+    .gnu.build.attributes : { *(.gnu.build.attributes .gnu.build.attributes.*) } > ROM
+    /* DWARF debug sections.
+        Symbols in the DWARF debugging sections are relative to the beginning
+        of the section so we begin them at 0.  */
+    /* DWARF 1 */
+    .debug          0 : { *(.debug) } > ROM
+    .line           0 : { *(.line) } > ROM
+    /* GNU DWARF 1 extensions */
+    .debug_srcinfo  0 : { *(.debug_srcinfo) } > ROM
+    .debug_sfnames  0 : { *(.debug_sfnames) } > ROM
+    /* DWARF 1.1 and DWARF 2 */
+    .debug_aranges  0 : { *(.debug_aranges) } > ROM
+    .debug_pubnames 0 : { *(.debug_pubnames) } > ROM
+    /* DWARF 2 */
+    .debug_info     0 : { *(.debug_info .gnu.linkonce.wi.*) } > ROM
+    .debug_abbrev   0 : { *(.debug_abbrev) } > ROM
+    .debug_line     0 : { *(.debug_line .debug_line.* .debug_line_end) } > ROM
+    .debug_frame    0 : { *(.debug_frame) } > ROM
+    .debug_str      0 : { *(.debug_str) } > ROM
+    .debug_loc      0 : { *(.debug_loc) } > ROM
+    .debug_macinfo  0 : { *(.debug_macinfo) } > ROM
+
+	/* Remove information from the standard libraries */
+	/DISCARD/ :
+	{
+		libc.a ( * )
+		libm.a ( * )
+		libgcc.a ( * )
+	}
+}