diff --git a/src/drivers/boards/px4io-v1/board_config.h b/src/drivers/boards/px4io-v1/board_config.h
index a5fbfc7fd6..c3f39addfe 100644
--- a/src/drivers/boards/px4io-v1/board_config.h
+++ b/src/drivers/boards/px4io-v1/board_config.h
@@ -1,6 +1,6 @@
 /****************************************************************************
  *
- *   Copyright (C) 2012 PX4 Development Team. All rights reserved.
+ *   Copyright (c) 2012-2014 PX4 Development Team. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -92,4 +92,4 @@
 #define HRT_TIMER		1	/* use timer1 for the HRT */
 #define HRT_TIMER_CHANNEL	2	/* use capture/compare channel 2 */
 #define HRT_PPM_CHANNEL		1	/* use capture/compare channel 1 */
-#define GPIO_PPM_IN		(GPIO_ALT|GPIO_CNF_INPULLUP|GPIO_MODE_50MHz|GPIO_PORTE|GPIO_PIN9)
+#define GPIO_PPM_IN		(GPIO_ALT|GPIO_CNF_INPULLUP|GPIO_PORTE|GPIO_PIN9)
diff --git a/src/drivers/boards/px4io-v2/board_config.h b/src/drivers/boards/px4io-v2/board_config.h
index b6e298411b..47ec4afe35 100644
--- a/src/drivers/boards/px4io-v2/board_config.h
+++ b/src/drivers/boards/px4io-v2/board_config.h
@@ -1,6 +1,6 @@
 /****************************************************************************
  *
- *   Copyright (C) 2012 PX4 Development Team. All rights reserved.
+ *   Copyright (c) 2013, 2014 PX4 Development Team. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -122,7 +122,7 @@
 #define HRT_TIMER		1	/* use timer1 for the HRT */
 #define HRT_TIMER_CHANNEL	2	/* use capture/compare channel 2 */
 #define HRT_PPM_CHANNEL		1	/* use capture/compare channel 1 */
-#define GPIO_PPM_IN		(GPIO_ALT|GPIO_CNF_INPULLUP|GPIO_MODE_50MHz|GPIO_PORTE|GPIO_PIN9)
+#define GPIO_PPM_IN		(GPIO_ALT|GPIO_CNF_INPULLUP|GPIO_PORTE|GPIO_PIN9)
 
 /* LED definitions ******************************************************************/
 /* PX4 has two LEDs that we will encode as: */