diff --git a/slsDetectorSoftware/eigerDetectorServer/Beb.c b/slsDetectorSoftware/eigerDetectorServer/Beb.c
index a3025fea9..5299f1d37 100644
--- a/slsDetectorSoftware/eigerDetectorServer/Beb.c
+++ b/slsDetectorSoftware/eigerDetectorServer/Beb.c
@@ -149,7 +149,7 @@ void Beb_Beb(){
 
 
 
-void Beb_GetModuleCopnfiguration(int* master, int* top){
+void Beb_GetModuleConfiguration(int* master, int* top, int* normal){
 	*top = 0;
 	*master = 0;
 	  //mapping new memory to read master top module configuration
@@ -168,6 +168,8 @@ void Beb_GetModuleCopnfiguration(int* master, int* top){
 				*top = 1;
 			if(ret&MASTER_BIT_MASK)
 				*master = 1;
+			if(ret&NORMAL_MODULE_BIT_MASK)
+				*normal = 1;
 			//close file pointer
 			Beb_close(fd,csp0base);
 		}
diff --git a/slsDetectorSoftware/eigerDetectorServer/Beb.h b/slsDetectorSoftware/eigerDetectorServer/Beb.h
index 9431701ea..8aeaac0a8 100644
--- a/slsDetectorSoftware/eigerDetectorServer/Beb.h
+++ b/slsDetectorSoftware/eigerDetectorServer/Beb.h
@@ -45,7 +45,7 @@ struct BebInfo{
   unsigned int Beb_GetBebInfoIndex(unsigned int beb_numb);
 
 
-  void Beb_GetModuleCopnfiguration(int* master, int* top);
+  void Beb_GetModuleConfiguration(int* master, int* top, int* normal);
   void Beb_EndofDataSend(int tengiga);
 
   int Beb_SetMasterViaSoftware();
diff --git a/slsDetectorSoftware/eigerDetectorServer/FebControl.c b/slsDetectorSoftware/eigerDetectorServer/FebControl.c
index a5dd9ae83..1786f16a3 100644
--- a/slsDetectorSoftware/eigerDetectorServer/FebControl.c
+++ b/slsDetectorSoftware/eigerDetectorServer/FebControl.c
@@ -61,6 +61,7 @@ int Feb_Control_current_index;
 
 int Feb_Control_counter_bit = 1;
 int Feb_control_master = 0;
+int Feb_control_normal = 0;
 
 unsigned int Feb_Control_rate_correction_table[1024];
 double Feb_Control_rate_meas[16384];
@@ -181,11 +182,12 @@ void Feb_Control_FebControl(){
 
 
 
-int Feb_Control_Init(int master, int top, int module_num){
+int Feb_Control_Init(int master, int top, int normal, int module_num){
 	unsigned int i;
 	Feb_Control_module_number = 0;
 	Feb_Control_current_index = 0;
 	Feb_control_master = master;
+	Feb_control_normal =  normal;
 
 	//global send
 	Feb_Control_AddModule1(0,1,0xff,0,1);
@@ -492,59 +494,94 @@ float Feb_Control_DACToVoltage(unsigned int digital,unsigned int nsteps,float vm
 }
 
 
-int Feb_Control_SetHighVoltage(float value){
-	return Feb_Control_SetHighVoltage1(Feb_Control_module_number,value);
-}
+//only master gets to call this function
+int Feb_Control_SetHighVoltage(int value){
 
-int Feb_Control_SetHighVoltage1(unsigned int module_num,float value){
-	unsigned int module_index=0;
-	unsigned int i;
-
-	if(Feb_control_master){//if(Module_TopAddressIsValid(&modules[module_index])){
-		if(!Feb_Control_GetModuleIndex(module_num,&module_index)){/*||!Module_TopAddressIsValid(&modules[module_index])){*/
-			cprintf(RED,"Error could not set high voltage module number %d invalid.\n",module_num);
-			return 0;
-		}
-	}else
+	if(!Feb_control_normal){
+		cprintf(RED,"\nError: Setting High Voltage not implemented for special modules\n");
 		return 0;
+	}
 
-	if(!Feb_Control_SendHighVoltage(Module_GetTopRightAddress(&modules[module_index]),&value)) return 0;
-
-	if(module_index!=0)  Module_SetHighVoltage(&modules[module_index],value);
-	else for(i=0;i<moduleSize;i++) Module_SetHighVoltage(&modules[i],value);
-
-	printf("\tHigh voltage of dst %d set to %f.\n",Module_GetTopRightAddress(&modules[module_index]),Module_GetHighVoltage(&modules[module_index]));
-	return 1;
-}
-
-
-int Feb_Control_SendHighVoltage(unsigned int dst_num,float* value){
-	//  printf("sending high voltage to dst_num "<<dst_num<<".\n");;
+	printf(" Setting High Voltage: %d(v)\t",value);
 
 	static const unsigned int nsteps = 256;
 	static const float vmin=0;
 	static const float vmax=300;
+	unsigned int dacval = 0;
 
-	unsigned int b = 0;
-	if(!Feb_Control_VoltageToDAC(*value,&b,nsteps,vmin,vmax)){
-		printf("Waring: SetHighVoltage bad value, %f.  The range is 0 to 300 V.\n",*value);
+	//open file
+	FILE* fd=fopen("/sys/class/hwmon/hwmon5/device/out0_output","w");
+	if(fd==NULL){
+		cprintf(RED,"\nWarning: Could not open file for writing to set high voltage\n");
 		return 0;
 	}
-
-	unsigned int r = 0x20000000 | (b&0xff);
-	if(Feb_Control_activated){
-		if(!Feb_Interface_WriteRegister(dst_num,0,r,0,0)){
-			cprintf(RED,"Warning: trouble setting high voltage for dst_num %d.\n",dst_num);
-			return 0;
-		}
+	//calculate dac value
+	if(!Feb_Control_VoltageToDAC(value,&dacval,nsteps,vmin,vmax)){
+		cprintf(RED,"\nWarning: SetHighVoltage bad value, %d.  The range is 0 to 300 V.\n",value);
+		return 0;
 	}
+	//convert to string, add 0 and write to file
+	fprintf(fd, "%d0\n", dacval);
 
-	*value = Feb_Control_DACToVoltage(b,nsteps,vmin,vmax);
+	printf("%d(dac)\n", dacval);
+	fclose(fd);
 
 	return 1;
 }
 
 
+int Feb_Control_GetHighVoltage(int* value){
+
+	if(!Feb_control_normal){
+		cprintf(RED,"\nError: Getting High Voltage not implemented for special modules\n");
+		return 0;
+	}
+
+	printf(" Getting High Voltage: ");
+	static const unsigned int nsteps = 256;
+	static const float vmin=0;
+	static const float vmax=300;
+
+	unsigned int dacval = 0;
+
+	size_t readbytes=0;
+	char* line=NULL;
+
+	//open file
+	FILE* fd=fopen("/sys/class/hwmon/hwmon5/device/in0_input","r");
+	if(fd==NULL){
+		cprintf(RED,"\nWarning: Could not open file for writing to get high voltage\n");
+		return 0;
+	}
+	// Read twice, since the first value is sometimes outdated
+	if(getline(&line, &readbytes, fd) == -1){
+		cprintf(RED,"\nWarning: could not read file to get high voltage\n");
+		return 0;
+	}
+	rewind(fd);
+	free(line);
+	readbytes=0;
+	readbytes = getline(&line, &readbytes, fd);
+	if(readbytes == -1){
+		cprintf(RED,"\nWarning: could not read file to get high voltage\n");
+		return 0;
+	}
+
+	// Remove the trailing 0
+	dacval = atoi(line)/10;
+	//convert dac to v
+	*value = (int)(Feb_Control_DACToVoltage(dacval,nsteps,vmin,vmax)+0.5);
+	printf("%d(v)\t%d(dac)\n", *value, dacval);
+	free(line);
+	fclose(fd);
+
+	return 1;
+}
+
+
+
+
+
 
 int Feb_Control_DecodeDACString(char* dac_str, unsigned int* module_index, int* top, int* bottom, unsigned int* dac_ch){
 	char*       local_s = dac_str;
diff --git a/slsDetectorSoftware/eigerDetectorServer/FebControl.h b/slsDetectorSoftware/eigerDetectorServer/FebControl.h
index 01048a4f7..620ab003a 100644
--- a/slsDetectorSoftware/eigerDetectorServer/FebControl.h
+++ b/slsDetectorSoftware/eigerDetectorServer/FebControl.h
@@ -84,7 +84,6 @@ int Feb_Control_GetModuleNumber();
   int  Feb_Control_VoltageToDAC(float value, unsigned int* digital, unsigned int nsteps, float vmin, float vmax);
   float Feb_Control_DACToVoltage(unsigned int digital,unsigned int nsteps,float vmin,float vmax);
 
-  int Feb_Control_SendHighVoltage(unsigned int module_index, float* value);
 
   int Feb_Control_SendIDelays(unsigned int dst_num, int chip_lr, unsigned int channels, unsigned int ndelay_units);
 
@@ -112,15 +111,14 @@ int Feb_Control_GetModuleNumber();
 
 
   void Feb_Control_FebControl();
-  int Feb_Control_Init(int master, int top, int module_num);
+  int Feb_Control_Init(int master, int top, int normal, int module_num);
   int Feb_Control_CheckSetup();
 
   unsigned int Feb_Control_GetNModules();
   unsigned int Feb_Control_GetNHalfModules();
 
-  int Feb_Control_SetHighVoltage(float value);
-  int Feb_Control_SetHighVoltage1(unsigned int module_num,float value);
-
+  int Feb_Control_SetHighVoltage(int value);
+  int Feb_Control_GetHighVoltage(int* value);
 
   int Feb_Control_SetIDelays(unsigned int module_num, unsigned int  ndelay_units);
   int Feb_Control_SetIDelays1(unsigned int module_num, unsigned int chip_pos, unsigned int ndelay_units);
diff --git a/slsDetectorSoftware/eigerDetectorServer/FebRegisterDefs.h b/slsDetectorSoftware/eigerDetectorServer/FebRegisterDefs.h
index b4b728a3d..1b13cad65 100644
--- a/slsDetectorSoftware/eigerDetectorServer/FebRegisterDefs.h
+++ b/slsDetectorSoftware/eigerDetectorServer/FebRegisterDefs.h
@@ -115,6 +115,8 @@
 //module configuration
 #define TOP_BIT_MASK				0x00f
 #define MASTER_BIT_MASK				0x200
+#define NORMAL_MODULE_BIT_MASK		0x400
+
 // Master Slave Top Bottom Definition
 #define MODULE_CONFIGURATION_MASK 0x84
 //Software Configuration
diff --git a/slsDetectorSoftware/eigerDetectorServer/bin/eigerDetectorServerv2.2.0.14.1 b/slsDetectorSoftware/eigerDetectorServer/bin/eigerDetectorServerv2.2.0.14.1
deleted file mode 100755
index 0be5f404a..000000000
Binary files a/slsDetectorSoftware/eigerDetectorServer/bin/eigerDetectorServerv2.2.0.14.1 and /dev/null differ
diff --git a/slsDetectorSoftware/eigerDetectorServer/bin/eigerDetectorServerv2.2.0.16.0 b/slsDetectorSoftware/eigerDetectorServer/bin/eigerDetectorServerv2.2.0.16.0
deleted file mode 100755
index f6dd95b75..000000000
Binary files a/slsDetectorSoftware/eigerDetectorServer/bin/eigerDetectorServerv2.2.0.16.0 and /dev/null differ
diff --git a/slsDetectorSoftware/eigerDetectorServer/bin/eigerDetectorServerv2.2.0.16.1 b/slsDetectorSoftware/eigerDetectorServer/bin/eigerDetectorServerv2.2.0.16.1
deleted file mode 100755
index 5f58c87f9..000000000
Binary files a/slsDetectorSoftware/eigerDetectorServer/bin/eigerDetectorServerv2.2.0.16.1 and /dev/null differ
diff --git a/slsDetectorSoftware/eigerDetectorServer/bin/eigerDetectorServerv2.2.0.16.2 b/slsDetectorSoftware/eigerDetectorServer/bin/eigerDetectorServerv2.2.0.16.2
deleted file mode 100755
index df4901267..000000000
Binary files a/slsDetectorSoftware/eigerDetectorServer/bin/eigerDetectorServerv2.2.0.16.2 and /dev/null differ
diff --git a/slsDetectorSoftware/eigerDetectorServer/bin/eigerDetectorServerv2.2.0.14.0 b/slsDetectorSoftware/eigerDetectorServer/bin/eigerDetectorServerv2.2.0.16.3
similarity index 52%
rename from slsDetectorSoftware/eigerDetectorServer/bin/eigerDetectorServerv2.2.0.14.0
rename to slsDetectorSoftware/eigerDetectorServer/bin/eigerDetectorServerv2.2.0.16.3
index 75724eb5e..b6f4f48d7 100755
Binary files a/slsDetectorSoftware/eigerDetectorServer/bin/eigerDetectorServerv2.2.0.14.0 and b/slsDetectorSoftware/eigerDetectorServer/bin/eigerDetectorServerv2.2.0.16.3 differ
diff --git a/slsDetectorSoftware/eigerDetectorServer/slsDetectorFunctionList.c b/slsDetectorSoftware/eigerDetectorServer/slsDetectorFunctionList.c
index 3d904043c..b6976a439 100644
--- a/slsDetectorSoftware/eigerDetectorServer/slsDetectorFunctionList.c
+++ b/slsDetectorSoftware/eigerDetectorServer/slsDetectorFunctionList.c
@@ -78,6 +78,7 @@ int default_offset_values[3] = {3851000,3851000,3851000};
 enum masterFlags  masterMode=IS_SLAVE;
 int top = 0;
 int master = 0;
+int normal = 0;
 
 
 #define TEN_GIGA_BUFFER_SIZE 4112
@@ -142,7 +143,7 @@ int initDetector(){
 	getModuleConfiguration();
 	Feb_Interface_FebInterface();
 	Feb_Control_FebControl();
-	Feb_Control_Init(master,top,getDetectorNumber());
+	Feb_Control_Init(master,top,normal, getDetectorNumber());
 	printf("FEB Initialization done\n");
 	Beb_Beb();
 	printf("BEB Initialization done\n");
@@ -184,7 +185,7 @@ int initDetectorStop(){
 	getModuleConfiguration();
 	Feb_Interface_FebInterface();
 	Feb_Control_FebControl();
-	Feb_Control_Init(master,top,getDetectorNumber());
+	Feb_Control_Init(master,top,normal,getDetectorNumber());
 	printf("FEB Initialization done\n");
 	/* Beb_Beb(-1);
     printf("BEB constructor done\n");*/
@@ -198,15 +199,18 @@ int initDetectorStop(){
 void getModuleConfiguration(){
 	int *m=&master;
 	int *t=&top;
+	int *n=&normal;
 	/*if(getDetectorNumber() == 0xbeb015){
 		master = 1;
 		top = 1;
 	}*/
-	Beb_GetModuleCopnfiguration(m,t);
+	Beb_GetModuleConfiguration(m,t,n);
 	if(top)	printf("*************** TOP ***************\n");
 	else	printf("*************** BOTTOM ***************\n");
 	if(master)	printf("*************** MASTER ***************\n");
 	else		printf("*************** SLAVE ***************\n");
+	if(normal)	printf("*************** NORMAL ***************\n");
+	else		printf("*************** SPECIAL ***************\n");
 }
 
 
@@ -428,13 +432,17 @@ void setDAC(enum detDacIndex ind, int val, int imod, int mV, int retval[]){
 }
 
 
+
 int setHighVoltage(int val, int imod){
 	if(val!=-1){
-		printf(" Setting High Voltage: %d\n",val);
-		if(!master)
-			eiger_highvoltage = val;
-		else if(Feb_Control_SetHighVoltage(val))
-			eiger_highvoltage = val;
+		eiger_highvoltage = val;
+		if(master)
+			Feb_Control_SetHighVoltage(val);
+	}
+
+	if(master && !Feb_Control_GetHighVoltage(&eiger_highvoltage)){
+		cprintf(RED,"Warning: Could not read high voltage\n");
+		return 0;
 	}
 	return eiger_highvoltage;
 }
diff --git a/slsDetectorSoftware/slsDetectorServer/slsDetectorServer_funcs.c b/slsDetectorSoftware/slsDetectorServer/slsDetectorServer_funcs.c
index 897ccf788..ea9b12256 100755
--- a/slsDetectorSoftware/slsDetectorServer/slsDetectorServer_funcs.c
+++ b/slsDetectorSoftware/slsDetectorServer/slsDetectorServer_funcs.c
@@ -1258,21 +1258,23 @@ int set_dac(int file_des) {
 	printf("DAC set to %d in dac units and %d mV\n",  retval[0],retval[1]);
 #endif
 
-	if(ret == OK){
+	//takes time to set high voltage, so no check for it
+	if(ret == OK && ind != HV_POT && ind != HV_NEW){
 		if(mV)
 			temp = retval[1];
 		else
 			temp = retval[0];
 		if ((abs(temp-val)<=5) || val==-1) {
 			ret=OK;
-			if (differentClients)
-				ret=FORCE_UPDATE;
 		} else {
 			ret=FAIL;
 			printf("Setting dac %d of module %d: wrote %d but read %d\n", idac, imod, val, temp);
 		}
 	}
 
+	if(ret == OK && differentClients)
+		ret=FORCE_UPDATE;
+
 
 	/* send answer */
 	/* send OK/failed */