diff --git a/slsDetectorSoftware/commonFiles/sls_detector_defs.h b/slsDetectorSoftware/commonFiles/sls_detector_defs.h
index 9ce6d4fd6..250c717f7 100755
--- a/slsDetectorSoftware/commonFiles/sls_detector_defs.h
+++ b/slsDetectorSoftware/commonFiles/sls_detector_defs.h
@@ -262,7 +262,8 @@ enum dacIndex {
   G_VCASC_OUT,  /**< gotthard */ 
   G_VIN_CM,     /**< gotthard */
   G_VREF_COMP,  /**< gotthard */ 
-  G_IB_TESTC   /**< gotthard */
+  G_IB_TESTC,   /**< gotthard */
+  G_ADC_WRITE     /**< gotthard: ADC WRITE REG*/
 };
 
 /** 
diff --git a/slsDetectorSoftware/gotthardDetectorServer/firmware_funcs.c b/slsDetectorSoftware/gotthardDetectorServer/firmware_funcs.c
index 8b4b1db9e..503f81785 100755
--- a/slsDetectorSoftware/gotthardDetectorServer/firmware_funcs.c
+++ b/slsDetectorSoftware/gotthardDetectorServer/firmware_funcs.c
@@ -181,6 +181,35 @@ int mapCSP0(void) {
 }
 
 
+//aldos function volatile (not needed) 
+u_int16_t bus_w16(u_int32_t offset, u_int16_t data) {
+  u_int16_t *ptr1;
+  ptr1=(u_int16_t*)(CSP0BASE+offset*2);
+  // printf("writing at 0x%x data 0x%x %d%d%d\n",CSP0BASE+offset*2,data, (data>>2)&0x1,(data>>1)&0x1 ,(data>>0)&0x1);
+
+  *ptr1=data;
+  return OK;
+}
+
+
+u_int32_t bus_w(u_int32_t offset, u_int32_t data) {
+  u_int32_t *ptr1;
+
+  ptr1=(u_int32_t*)(CSP0BASE+offset*2);
+  *ptr1=data;
+
+  return OK;
+}
+
+
+u_int32_t bus_r(u_int32_t offset) {
+  u_int32_t *ptr1;
+  
+  ptr1=(u_int32_t*)(CSP0BASE+offset*2);
+  return *ptr1;
+}
+
+
 int setDummyRegister() {
   int result = OK;
   volatile u_int32_t val,addr;
@@ -224,39 +253,6 @@ int setDummyRegister() {
 }
 
 
-int setDAQRegister()
-{
-  u_int32_t addr, reg, val;
-  int result=OK;
-  addr=DAQ_REG;
-  val=34+(42<<8)+(319<<16);
-  reg=bus_r(addr);
-  //write to daqreg if not valid
-  if(reg!=val){
-    bus_w(addr,val);
-    reg=bus_r(addr);
-    if(reg!=val)
-      result=FAIL;
-  }
-#ifdef VERBOSE
-  printf("DAQ reg:20916770:%d",reg);
-#endif
-
-
-  //setting ADC reg temporary
-  addr=ADC_WRITE_REG;
-  val=0xFFFFFFFF;
-  bus_w(addr,val);
-  reg=bus_r(addr);
- #ifdef VERBOSE
-  printf("\n\nADC write reg:%X",reg);
-#endif
- 
-  
-  return result;
-}
-
-
 
 int setPhaseShiftOnce(){
   u_int32_t addr, reg;
@@ -290,35 +286,48 @@ int setPhaseShiftOnce(){
 }
 
 
-
-//aldos function volatile (not needed) 
-u_int16_t bus_w16(u_int32_t offset, u_int16_t data) {
-  u_int16_t *ptr1;
-  ptr1=(u_int16_t*)(CSP0BASE+offset*2);
-  // printf("writing at 0x%x data 0x%x %d%d%d\n",CSP0BASE+offset*2,data, (data>>2)&0x1,(data>>1)&0x1 ,(data>>0)&0x1);
-
-  *ptr1=data;
-  return OK;
+int setDAQRegister()
+{
+  u_int32_t addr, reg, val;
+  int result=OK;
+  addr=DAQ_REG;
+  val=34+(42<<8)+(319<<16);
+  reg=bus_r(addr);
+  //write to daqreg if not valid
+  if(reg!=val){
+    bus_w(addr,val);
+    reg=bus_r(addr);
+    if(reg!=val)
+      result=FAIL;
+  }
+#ifdef VERBOSE
+  printf("DAQ reg:20916770:%d",reg);
+#endif
+  return result;
 }
 
+float setADCWriteRegister(float val){
+  u_int32_t addr, reg;
 
-u_int32_t bus_w(u_int32_t offset, u_int32_t data) {
-  u_int32_t *ptr1;
+  printf("\n\n\nChecking a few stuff\n");
+  printf("\nval received is %f,%d,%x",val,val,val); 
+  printf("\nval converted to int and hex is %d,%x\n",(int)val,(float)val);
 
-  ptr1=(u_int32_t*)(CSP0BASE+offset*2);
-  *ptr1=data;
-
-  return OK;
-}
-
-
-u_int32_t bus_r(u_int32_t offset) {
-  u_int32_t *ptr1;
   
-  ptr1=(u_int32_t*)(CSP0BASE+offset*2);
-  return *ptr1;
+  //setting ADC reg temporary
+  addr=ADC_WRITE_REG;
+  val=0xFFFFFFFF;
+  bus_w(addr,val);
+  reg=bus_r(addr);
+#ifdef VERBOSE
+  printf("\n\nADC write reg:%X",reg);
+#endif
+
+
+  return val;
 }
 
+
 // direct pattern output 
 u_int32_t putout(char *s, int modnum) {
   int i;
diff --git a/slsDetectorSoftware/gotthardDetectorServer/firmware_funcs.h b/slsDetectorSoftware/gotthardDetectorServer/firmware_funcs.h
index 296bd286c..586ac2587 100755
--- a/slsDetectorSoftware/gotthardDetectorServer/firmware_funcs.h
+++ b/slsDetectorSoftware/gotthardDetectorServer/firmware_funcs.h
@@ -19,14 +19,15 @@
 
 
 int mapCSP0(void);
-int setDummyRegister();
-int setDAQRegister();
-int setPhaseShiftOnce();
 
 u_int16_t bus_w16(u_int32_t offset, u_int16_t data);//aldos function
 u_int32_t bus_w(u_int32_t offset, u_int32_t data);
 u_int32_t bus_r(u_int32_t offset);
 
+int setDummyRegister();
+int setPhaseShiftOnce();
+int setDAQRegister();
+float setADCWriteRegister(float val);
 
 u_int32_t putout(char *s, int modnum);
 u_int32_t readin(int modnum);
diff --git a/slsDetectorSoftware/gotthardDetectorServer/mcb_funcs.h b/slsDetectorSoftware/gotthardDetectorServer/mcb_funcs.h
index e785d49fc..3682f0350 100755
--- a/slsDetectorSoftware/gotthardDetectorServer/mcb_funcs.h
+++ b/slsDetectorSoftware/gotthardDetectorServer/mcb_funcs.h
@@ -27,7 +27,7 @@
 
 
 // DAC definitions
-enum {VREF_DS, VCASCN_PB, VCASCP_PB, VOUT_CM, VCASC_OUT, VIN_CM, VREF_COMP, IB_TESTC, };
+enum {VREF_DS, VCASCN_PB, VCASCP_PB, VOUT_CM, VCASC_OUT, VIN_CM, VREF_COMP, IB_TESTC,ADC_WRITE};
 
 /* DAC adresses */
 #define DACCS   {0,0,1,1,2,2,3,3,4,4,5,5,6,6}
diff --git a/slsDetectorSoftware/gotthardDetectorServer/server_funcs.c b/slsDetectorSoftware/gotthardDetectorServer/server_funcs.c
index 3b11285ee..85bd86588 100755
--- a/slsDetectorSoftware/gotthardDetectorServer/server_funcs.c
+++ b/slsDetectorSoftware/gotthardDetectorServer/server_funcs.c
@@ -920,11 +920,13 @@ int set_dac(int file_des) {
   case HV_POT:
     ireg=HIGH_VOLTAGE;
     break;
-
+  case G_ADC_WRITE:
+    ireg=ADC_WRITE;
+    break;
 
   default:
-    printf("Unknown DAC/TEMP/HV index %d\n",ind);
-    sprintf(mess,"Unknown DAC/TEMP/HV index %d\n",ind);
+    printf("Unknown DAC/TEMP/HV/ADC_write index %d\n",ind);
+    sprintf(mess,"Unknown DAC/TEMP/HV/ADC_write index %d\n",ind);
     ret=FAIL;
   }
  
@@ -937,8 +939,11 @@ int set_dac(int file_des) {
       if(ireg==-1)
 	retval=initDACbyIndexDACU(idac,val,imod);
       else
-	{	//HV or conf gain
-	  if(ireg==HIGH_VOLTAGE)
+	{ //ADC_write
+	  if(ireg==ADC_WRITE)
+	    retval=setADCWriteRegister(val);
+	  //HV
+	  else if(ireg==HIGH_VOLTAGE)
 	    retval=initHighVoltageByModule(val,imod);
 	  //Temp
 	  else
@@ -963,7 +968,7 @@ int set_dac(int file_des) {
   else if (retval==val || val==-1)
     ret=OK;
   if(ret==FAIL)
-    printf("Setting dac/hv %d of module %d: wrote %f but read %f\n", ind, imod, val, retval);
+    printf("Setting dac/hv/adc_write %d of module %d: wrote %f but read %f\n", ind, imod, val, retval);
   else{
     if (differentClients)
       ret=FORCE_UPDATE; 
diff --git a/slsDetectorSoftware/slsDetector/slsDetector.cpp b/slsDetectorSoftware/slsDetector/slsDetector.cpp
index e2f844654..196947a23 100644
--- a/slsDetectorSoftware/slsDetector/slsDetector.cpp
+++ b/slsDetectorSoftware/slsDetector/slsDetector.cpp
@@ -2011,7 +2011,7 @@ float slsDetector::setDAC(float val, dacIndex index, int imod){
 
 #ifdef VERBOSE
   std::cout<< std::endl;
-  std::cout<< "Setting DAC/POT/TEMP "<< index << "of module " << imod  <<  " to " << val << std::endl; 
+  std::cout<< "Setting DAC/POT/TEMP/HV/ADC_WRITE "<< index << "of module " << imod  <<  " to " << val << std::endl; 
 #endif
   if (thisDetector->onlineFlag==ONLINE_FLAG) {
     if (controlSocket) {
@@ -2046,10 +2046,10 @@ float slsDetector::setDAC(float val, dacIndex index, int imod){
     }
   }
 #ifdef VERBOSE
-  std::cout<< "Dac/Pot/Temp set to "<< retval << std::endl;
+  std::cout<< "Dac/Pot/Temp/HV/ADC_write set to "<< retval << std::endl;
 #endif
   if (ret==FAIL) {
-    std::cout<< "Set dac/pot/temp failed " << std::endl;
+    std::cout<< "Set dac/pot/temp/HV/ADC_write failed " << std::endl;
   }
   return retval;
 };
@@ -6189,6 +6189,15 @@ string slsDetector::executeLine(int narg, char *args[], int action) {
        sprintf(answer,"%f",setDAC(-1,TEMPERATURE_FPGA));
        return string(answer);
       }
+      /* GOTTHARD ADC_WRITE_REG */ 
+      else if (var=="adc_write") {
+       if (action==PUT_ACTION) {
+         sscanf(args[1],"%f",&fval);
+         setDAC(fval,G_ADC_WRITE);
+       }
+       sprintf(answer,"%f",setDAC(-1,G_ADC_WRITE));
+       return string(answer);
+      }
 
   //timers