diff --git a/opendps/dps-model.h b/opendps/dps-model.h
new file mode 100644
index 00000000..755d208a
--- /dev/null
+++ b/opendps/dps-model.h
@@ -0,0 +1,8 @@
+#ifndef __DPS_MODEL_H__
+#define __DPS_MODEL_H__
+
+// if no other DPSxxxx model is specified, we will assume DPS5005
+#define DPS5015 
+
+
+#endif // __DPS_MODEL_H__
\ No newline at end of file
diff --git a/opendps/hw.c b/opendps/hw.c
index 5fad84c0..52b04adf 100644
--- a/opendps/hw.c
+++ b/opendps/hw.c
@@ -39,6 +39,7 @@
 #include "pwrctl.h"
 #include "hw.h"
 #include "event.h"
+#include "dps-model.h"
 
 static void tim2_init(void);
 static void clock_init(void);
@@ -514,8 +515,11 @@ static void gpio_init(void)
 
     // PC13 I 0 Flt
 //    gpio_set_mode(GPIOC, GPIO_MODE_INPUT, GPIO_CNF_INPUT_FLOAT, GPIO13);
+#ifdef DPS5015
+	gpio_set_mode(GPIOC, GPIO_MODE_OUTPUT_50_MHZ, GPIO_CNF_OUTPUT_PUSHPULL, GPIO13);
+#endif
 
-    // PC14 I 0 Flt
+	// PC14 I 0 Flt
     gpio_set_mode(GPIOC, GPIO_MODE_INPUT, GPIO_CNF_INPUT_FLOAT, GPIO14);
 
     // PC15 I 0 Flt
diff --git a/opendps/pwrctl.c b/opendps/pwrctl.c
index bed825de..2caa6d92 100644
--- a/opendps/pwrctl.c
+++ b/opendps/pwrctl.c
@@ -23,6 +23,7 @@
  */
 
 #include "pwrctl.h"
+#include "dps-model.h"
 #include <stdio.h>
 #include <gpio.h>
 #include <dac.h>
@@ -100,12 +101,27 @@ uint32_t pwrctl_get_ilimit(void)
   */
 void pwrctl_enable_vout(bool enable)
 {
-    v_out_enabled = enable;
-    if (v_out_enabled) {
-        gpio_clear(GPIOB, GPIO11);
-    } else {
-        gpio_set(GPIOB, GPIO11);
-    }
+  v_out_enabled = enable;
+  if (v_out_enabled)
+  {
+#ifdef DPS5015
+    //gpio_clear(GPIOA, GPIO9); // this is power control on '5015
+    gpio_set(GPIOB, GPIO11);    // B11 is fan control on '5015
+    gpio_clear(GPIOC, GPIO13);  // C13 is power control on '5015
+#else
+    gpio_clear(GPIOB, GPIO11);  // B11 is power control on '5005
+#endif
+  }
+  else
+  {
+#ifdef DPS5015
+    //gpio_set(GPIOA, GPIO9);    // gpio_set(GPIOB, GPIO11);
+    gpio_clear(GPIOB, GPIO11); // B11 is fan control on '5015
+    gpio_set(GPIOC, GPIO13);   // C13 is power control on '5015
+#else
+    gpio_set(GPIOB, GPIO11);  // B11 is power control on '5005
+#endif
+  }
 }
 
 /**