diff --git a/slsDetectorSoftware/gotthardDetectorServer/firmware_funcs.c b/slsDetectorSoftware/gotthardDetectorServer/firmware_funcs.c
index f196f9370..da4d19085 100755
--- a/slsDetectorSoftware/gotthardDetectorServer/firmware_funcs.c
+++ b/slsDetectorSoftware/gotthardDetectorServer/firmware_funcs.c
@@ -314,7 +314,7 @@ int setDAQRegister()
 }
 
 
-
+/*
 u_int32_t bus_write(int addr, u_int32_t data) {
   u_int32_t *ptr1,offset;
   switch(addr){
@@ -344,7 +344,7 @@ u_int32_t bus_read(int addr) {
   return *ptr1;
 }
 
-
+*/
 
 // direct pattern output 
 u_int32_t putout(char *s, int modnum) {
diff --git a/slsDetectorSoftware/gotthardDetectorServer/firmware_funcs.h b/slsDetectorSoftware/gotthardDetectorServer/firmware_funcs.h
index cb5c80597..5e84efeb5 100755
--- a/slsDetectorSoftware/gotthardDetectorServer/firmware_funcs.h
+++ b/slsDetectorSoftware/gotthardDetectorServer/firmware_funcs.h
@@ -27,8 +27,8 @@ u_int32_t bus_r(u_int32_t offset);
 int setDummyRegister();
 int setPhaseShiftOnce();
 int setDAQRegister();
-u_int32_t bus_write(int addr, u_int32_t data);
-u_int32_t bus_read(int addr);
+//u_int32_t bus_write(int addr, u_int32_t data);
+//u_int32_t bus_read(int addr);
 
 u_int32_t putout(char *s, int modnum);
 u_int32_t readin(int modnum);
diff --git a/slsDetectorSoftware/gotthardDetectorServer/server_funcs.c b/slsDetectorSoftware/gotthardDetectorServer/server_funcs.c
index d7d6448ce..0a13774c6 100755
--- a/slsDetectorSoftware/gotthardDetectorServer/server_funcs.c
+++ b/slsDetectorSoftware/gotthardDetectorServer/server_funcs.c
@@ -746,7 +746,7 @@ int write_register(int file_des) {
   int addr, val;
   int n;
   u_int32_t address;
-  
+
   sprintf(mess,"Can't write to register\n");
 
   n = receiveDataOnly(file_des,arg,sizeof(arg));
@@ -766,11 +766,12 @@ int write_register(int file_des) {
     sprintf(mess,"Detector locked by %s\n",lastClientIP);    
   }
 
-  
+
   if(ret!=FAIL){
-    ret=bus_write(addr,val);
+    address=(addr<<11);
+    ret=bus_w(address,val);
     if(ret==OK)
-      retval=bus_read(addr);
+      retval=bus_r(address);
   }
   
 
@@ -809,7 +810,7 @@ int read_register(int file_des) {
   int addr;
   int n;
   u_int32_t address;
-  
+
   sprintf(mess,"Can't read register\n");
 
   n = receiveDataOnly(file_des,&arg,sizeof(arg));
@@ -825,8 +826,10 @@ int read_register(int file_des) {
   printf("reading  register 0x%x\n", addr);
 #endif  
 
-    if(ret!=FAIL)
-      retval=bus_read(address);
+  if(ret!=FAIL){
+    address=(addr<<11);
+      retval=bus_r(address);
+  }