diff --git a/configs/c5471evm/include/board.h b/configs/c5471evm/include/board.h
index e2cd85b571..98eacabb15 100644
--- a/configs/c5471evm/include/board.h
+++ b/configs/c5471evm/include/board.h
@@ -1,4 +1,4 @@
-/************************************************************************
+/****************************************************************************
  * arch/board.h
  *
  *   Copyright (C) 2007, 2009 Gregory Nutt. All rights reserved.
@@ -31,18 +31,18 @@
  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGE.
  *
- ************************************************************************/
+ ****************************************************************************/
 
 #ifndef __ARCH_BOARD_H
 #define __ARCH_BOARD_H
 
-/************************************************************************
+/****************************************************************************
  * Included Files
- ************************************************************************/
+ ****************************************************************************/
 
-/************************************************************************
+/****************************************************************************
  * Pre-processor Definitions
- ************************************************************************/
+ ****************************************************************************/
 
 /* Clocking *************************************************************/
 
@@ -59,8 +59,8 @@
 #define LED_ASSERTION               6
 #define LED_PANIC                   7
 
-/************************************************************************
+/****************************************************************************
  * Inline Functions
- ************************************************************************/
+ ****************************************************************************/
 
 #endif  /* __ARCH_BOARD_H */
diff --git a/configs/compal_e86/include/board.h b/configs/compal_e86/include/board.h
index da73df18e0..00c96bf6f5 100644
--- a/configs/compal_e86/include/board.h
+++ b/configs/compal_e86/include/board.h
@@ -1,6 +1,6 @@
-/************************************************************************
+/****************************************************************************
  * configs/nsh_highram/include/board.h
  *
  * Supposed to be empty
  *
- ************************************************************************/
+ ****************************************************************************/
diff --git a/configs/compal_e88/include/board.h b/configs/compal_e88/include/board.h
index 1a1a7435d0..5855614184 100644
--- a/configs/compal_e88/include/board.h
+++ b/configs/compal_e88/include/board.h
@@ -1,6 +1,6 @@
-/************************************************************************
+/****************************************************************************
  * arch/board.h
  *
  * Supposed to be empty
  *
- ************************************************************************/
+ ****************************************************************************/
diff --git a/configs/compal_e99/include/board.h b/configs/compal_e99/include/board.h
index 1a1a7435d0..5855614184 100644
--- a/configs/compal_e99/include/board.h
+++ b/configs/compal_e99/include/board.h
@@ -1,6 +1,6 @@
-/************************************************************************
+/****************************************************************************
  * arch/board.h
  *
  * Supposed to be empty
  *
- ************************************************************************/
+ ****************************************************************************/
diff --git a/configs/p112/include/board.h b/configs/p112/include/board.h
index 35a8011c18..4d86c20cc1 100644
--- a/configs/p112/include/board.h
+++ b/configs/p112/include/board.h
@@ -1,4 +1,4 @@
-/************************************************************
+/****************************************************************************
  * configs/p112/include/board.h
  *
  *   Copyright (C) 2012 Gregory Nutt. All rights reserved.
@@ -31,18 +31,18 @@
  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGE.
  *
- ************************************************************/
+ ****************************************************************************/
 
 #ifndef __CONFIGS_P112_INCLUDE_BOARD_H
 #define __CONFIGS_P112_INCLUDE_BOARD_H
 
-/************************************************************
+/****************************************************************************
  * Included Files
- ************************************************************/
+ ****************************************************************************/
 
-/************************************************************
+/****************************************************************************
  * Pre-processor Definitions
- ************************************************************/
+ ****************************************************************************/
 /* The Z180 is driven by a 16MHz crystal.  The system clock
  * is equal to the crystal frequency.
  */
@@ -50,9 +50,9 @@
 #define Z180_BOARD_XTAL  16000000        /* 16 MHz */
 #define Z180_SYSCLOCK    Z180_BOARD_XTAL /* 16 MHz */
 
-/************************************************************
+/****************************************************************************
  * Public Functions
- ************************************************************/
+ ****************************************************************************/
 
 #if defined(__cplusplus)
 extern "C"
diff --git a/configs/pirelli_dpl10/include/board.h b/configs/pirelli_dpl10/include/board.h
index 9fecb3c5f9..1426ea7324 100644
--- a/configs/pirelli_dpl10/include/board.h
+++ b/configs/pirelli_dpl10/include/board.h
@@ -1,6 +1,6 @@
-/************************************************************************
+/****************************************************************************
  * configs/pirelli_dpl10/include/board.h
  *
  * Supposed to be empty
  *
- ************************************************************************/
+ ****************************************************************************/
diff --git a/configs/sim/include/board.h b/configs/sim/include/board.h
index 327ad69254..46da839889 100644
--- a/configs/sim/include/board.h
+++ b/configs/sim/include/board.h
@@ -1,3 +1,3 @@
-/************************************************************************
+/****************************************************************************
  * configs/sim/include/board.h
- ************************************************************************/
+ ****************************************************************************/
diff --git a/configs/xtrs/include/board.h b/configs/xtrs/include/board.h
index a4682a2f1f..2e7f04daea 100644
--- a/configs/xtrs/include/board.h
+++ b/configs/xtrs/include/board.h
@@ -1,4 +1,4 @@
-/************************************************************
+/****************************************************************************
  * configs/xtrs/include/board.h
  *
  *   Copyright (C) 2008 Gregory Nutt. All rights reserved.
@@ -31,26 +31,26 @@
  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGE.
  *
- ************************************************************/
+ ****************************************************************************/
 
 #ifndef __ARCH_BOARD_BOARD_H
 #define __ARCH_BOARD_BOARD_H
 
-/************************************************************
+/****************************************************************************
  * Included Files
- ************************************************************/
+ ****************************************************************************/
 
 /* Adresses of BIOS routines */
 
 #include "trs80-m3.h"
 
-/************************************************************
+/****************************************************************************
  * Pre-processor Definitions
- ************************************************************/
+ ****************************************************************************/
 
-/************************************************************
+/****************************************************************************
  * Public Functions
- ************************************************************/
+ ****************************************************************************/
 
 #undef EXTERN
 #if defined(__cplusplus)
diff --git a/configs/z80sim/include/board.h b/configs/z80sim/include/board.h
index cddd587213..d963b4df32 100644
--- a/configs/z80sim/include/board.h
+++ b/configs/z80sim/include/board.h
@@ -1,4 +1,4 @@
-/************************************************************
+/****************************************************************************
  * configs/z80sim/include/board.h
  *
  *   Copyright (C) 2007, 2008 Gregory Nutt. All rights reserved.
@@ -31,22 +31,22 @@
  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGE.
  *
- ************************************************************/
+ ****************************************************************************/
 
 #ifndef __ARCH_BOARD_BOARD_H
 #define __ARCH_BOARD_BOARD_H
 
-/************************************************************
+/****************************************************************************
  * Included Files
- ************************************************************/
+ ****************************************************************************/
 
-/************************************************************
+/****************************************************************************
  * Pre-processor Definitions
- ************************************************************/
+ ****************************************************************************/
 
-/************************************************************
+/****************************************************************************
  * Public Functions
- ************************************************************/
+ ****************************************************************************/
 #undef EXTERN
 #if defined(__cplusplus)
 #define EXTERN extern "C"