diff --git a/boards/base/Olimex-SAM7EX256-GE8/example/halconf.h b/boards/base/Olimex-SAM7EX256-GE8/example/halconf.h
index 3b60d923..ccb3f66e 100644
--- a/boards/base/Olimex-SAM7EX256-GE8/example/halconf.h
+++ b/boards/base/Olimex-SAM7EX256-GE8/example/halconf.h
@@ -59,7 +59,7 @@
  * @brief   Enables the ADC subsystem.
  */
 #if !defined(HAL_USE_ADC) || defined(__DOXYGEN__)
-#define HAL_USE_ADC                 TRUE
+#define HAL_USE_ADC                 FALSE
 #endif
 
 /**
@@ -80,7 +80,7 @@
  * @brief   Enables the GPT subsystem.
  */
 #if !defined(HAL_USE_GPT) || defined(__DOXYGEN__)
-#define HAL_USE_GPT                 TRUE
+#define HAL_USE_GPT                 FALSE
 #endif
 
 /**
@@ -115,7 +115,7 @@
  * @brief   Enables the PWM subsystem.
  */
 #if !defined(HAL_USE_PWM) || defined(__DOXYGEN__)
-#define HAL_USE_PWM                 TRUE
+#define HAL_USE_PWM                 FALSE
 #endif
 
 /**
@@ -150,7 +150,7 @@
  * @brief   Enables the SPI subsystem.
  */
 #if !defined(HAL_USE_SPI) || defined(__DOXYGEN__)
-#define HAL_USE_SPI                 TRUE
+#define HAL_USE_SPI                 FALSE
 #endif
 
 /**
diff --git a/boards/base/Olimex-SAM7EX256-GE8/example/mcuconf.h b/boards/base/Olimex-SAM7EX256-GE8/example/mcuconf.h
index 8acdd42d..d5bab5f1 100644
--- a/boards/base/Olimex-SAM7EX256-GE8/example/mcuconf.h
+++ b/boards/base/Olimex-SAM7EX256-GE8/example/mcuconf.h
@@ -33,17 +33,30 @@
  * is enabled in halconf.h.
  */
 
+#define HAL_USE_PAL                 TRUE		// Used by all sorts of IO
+#define HAL_USE_ICU                 FALSE
+#define HAL_USE_TM                  FALSE
+#define HAL_USE_EXT                 FALSE
+#define HAL_USE_MMC_SPI             FALSE
+#define HAL_USE_RTC                 FALSE
+#define HAL_USE_SDC                 FALSE
+#define HAL_USE_SERIAL_USB          FALSE
+#define HAL_USE_USB                 FALSE
+
 /*
  * ADC driver system settings.
  */
+#define HAL_USE_ADC                 TRUE		// Used by audio-in
 
 /*
  * CAN driver system settings.
  */
+#define HAL_USE_CAN                 FALSE
 
 /*
  * MAC driver system settings.
  */
+#define HAL_USE_MAC                 FALSE
 #define MAC_TRANSMIT_BUFFERS        2
 #define MAC_RECEIVE_BUFFERS         2
 #define MAC_BUFFERS_SIZE            1518
@@ -52,14 +65,17 @@
 /*
  * PWM driver system settings.
  */
-#define PWM_USE_PWM1				TRUE		// used by audio-out
-#define PWM_USE_PWM2				TRUE		// used by back-light
+#define HAL_USE_PWM                 TRUE
+#define PWM_USE_PWM1				TRUE		// Used by audio-out
+#define PWM_USE_PWM2				TRUE		// Used by back-light
 #define PWM_USE_PWM3				FALSE
 #define PWM_USE_PWM4				FALSE
 
 /*
  * SERIAL driver system settings.
  */
+#define HAL_USE_SERIAL              FALSE
+#define HAL_USE_UART                FALSE
 #define USE_SAM7_USART0             TRUE
 #define USE_SAM7_USART1             TRUE
 #define SAM7_USART0_PRIORITY        (AT91C_AIC_PRIOR_HIGHEST - 2)
@@ -69,14 +85,22 @@
  * SPI driver system settings.
  */
 #define USE_AT91SAM7_SPI            FALSE
-#define AT91SAM7_SPI_USE_SPI0       TRUE
-#define AT91SAM7_SPI_USE_SPI1       FALSE
+#define HAL_USE_SPI                 FALSE
+#define AT91SAM7_SPI_USE_SPI0       FALSE			// Used by LCD but addressed directly
+#define AT91SAM7_SPI_USE_SPI1       FALSE			// Used by lots of UEXT devices
 #define AT91SAM7_SPI0_PRIORITY      (AT91C_AIC_PRIOR_HIGHEST - 1)
 #define AT91SAM7_SPI1_PRIORITY      (AT91C_AIC_PRIOR_HIGHEST - 1)
 
 /*
  * GPT driver system settings.
  */
-#define AT91_GPT_USE_TC0                  FALSE			// used internally by ADC driver
-#define AT91_GPT_USE_TC1                  TRUE			// uGFX used for audio-out
-#define AT91_GPT_USE_TC2                  FALSE
+#define HAL_USE_GPT                 TRUE
+#define AT91_GPT_USE_TC0            FALSE			// used internally by ADC driver
+#define AT91_GPT_USE_TC1            TRUE			// uGFX used for audio-out
+#define AT91_GPT_USE_TC2            FALSE
+
+/*
+ * I2C driver system settings
+ */
+#define SAM7_I2C_USE_I2C1           TRUE
+#define HAL_USE_I2C                 TRUE