diff --git a/include/x86/intel_minnow_byt_compatible.h b/include/x86/intel_minnow_byt_compatible.h
index 5e4453c..4316df5 100644
--- a/include/x86/intel_minnow_byt_compatible.h
+++ b/include/x86/intel_minnow_byt_compatible.h
@@ -32,6 +32,7 @@ extern "C" {
 
 // +1 as pins are "1 indexed"
 #define MRAA_INTEL_MINNOW_MAX_PINCOUNT (26 + 1)
+#define MRAA_INTEL_MINNOW_TURBOT_PINCOUNT (27 + 1)
 
 mraa_board_t*
 mraa_intel_minnowboard_byt_compatible(mraa_boolean_t);
diff --git a/src/x86/intel_minnow_byt_compatible.c b/src/x86/intel_minnow_byt_compatible.c
index 6d62516..a53cca8 100644
--- a/src/x86/intel_minnow_byt_compatible.c
+++ b/src/x86/intel_minnow_byt_compatible.c
@@ -89,7 +89,7 @@ mraa_intel_minnowboard_byt_compatible(mraa_boolean_t turbot)
     mraa_board_t* b = (mraa_board_t*) calloc(1, sizeof(mraa_board_t));
 
     struct utsname running_uname;
-    int uname_major, uname_minor, max_pins[27];
+    int uname_major, uname_minor, max_pins[28];
 
     if (b == NULL) {
         return NULL;
@@ -98,13 +98,13 @@ mraa_intel_minnowboard_byt_compatible(mraa_boolean_t turbot)
     b->platform_name = PLATFORM_NAME;
     if (turbot) {
         b->platform_version = "Turbot";
+        b->gpio_count = b->phy_pin_count = MRAA_INTEL_MINNOW_TURBOT_PINCOUNT;
     } else {
         b->platform_version = "Ax";
+        b->gpio_count = b->phy_pin_count = MRAA_INTEL_MINNOW_MAX_PINCOUNT;
     }
-    b->phy_pin_count = MRAA_INTEL_MINNOW_MAX_PINCOUNT;
-    b->gpio_count = MRAA_INTEL_MINNOW_MAX_PINCOUNT;
 
-    b->pins = (mraa_pininfo_t*) calloc(MRAA_INTEL_MINNOW_MAX_PINCOUNT, sizeof(mraa_pininfo_t));
+    b->pins = (mraa_pininfo_t*) calloc(b->phy_pin_count, sizeof(mraa_pininfo_t));
     if (b->pins == NULL) {
         goto error;
     }
@@ -160,7 +160,12 @@ mraa_intel_minnowboard_byt_compatible(mraa_boolean_t turbot)
     mraa_set_pininfo(b, 24, "PWM1", (mraa_pincapabilities_t){ 1, 0, 1, 0, 0, 0, 0, 0 },
                      249); // Assume BIOS configured for PWM
     mraa_set_pininfo(b, 25, "S5_4", (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 0, 0, 0 }, 84);
-    mraa_set_pininfo(b, 26, "IBL8254", (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 0, 0, 0 }, 208);
+    if (turbot) {
+        mraa_set_pininfo(b, 26, "I2S_MCLK", (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 0, 0, 0 }, 253);
+        mraa_set_pininfo(b, 27, "S5_22", (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 0, 0, 0 }, 104);
+    } else {
+        mraa_set_pininfo(b, 26, "IBL8254", (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 0, 0, 0 }, 208);
+    }
 
     // Set number of i2c adaptors usable from userspace
     b->i2c_bus_count = 1;