diff --git a/slsDetectorServers/gotthard2DetectorServer/CMakeLists.txt b/slsDetectorServers/gotthard2DetectorServer/CMakeLists.txt
index 821df3f4a..f9e195018 100644
--- a/slsDetectorServers/gotthard2DetectorServer/CMakeLists.txt
+++ b/slsDetectorServers/gotthard2DetectorServer/CMakeLists.txt
@@ -22,7 +22,7 @@ target_include_directories(gotthard2DetectorServer_virtual
 )
 
 target_compile_definitions(gotthard2DetectorServer_virtual
-    PUBLIC GOTTHARD2D VIRTUAL STOP_SERVER
+    PUBLIC GOTTHARD2D VIRTUAL STOP_SERVER DEBUG1 
 )
 
 target_link_libraries(gotthard2DetectorServer_virtual
diff --git a/slsDetectorServers/gotthard2DetectorServer/RegisterDefs.h b/slsDetectorServers/gotthard2DetectorServer/RegisterDefs.h
index 45aab3351..b4a5cc169 100644
--- a/slsDetectorServers/gotthard2DetectorServer/RegisterDefs.h
+++ b/slsDetectorServers/gotthard2DetectorServer/RegisterDefs.h
@@ -147,7 +147,7 @@
 
 /* Packetizer -------------------------------------------------------------*/
 
-/* Packetizer Config Register*/
+/* Packetizer Config Register */
 #define PKT_CONFIG_REG                  (0x00 * REG_OFFSET + BASE_PKT)
 
 #define PKT_CONFIG_NRXR_MAX_OFST        (0)
@@ -155,6 +155,21 @@
 #define PKT_CONFIG_RXR_START_ID_OFST    (8)
 #define PKT_CONFIG_RXR_START_ID_MSK     (0x0000003F << PKT_CONFIG_RXR_START_ID_OFST)
 
+/* Module Coordinates Register */
+#define COORD_0_REG                     (0x02 * REG_OFFSET + BASE_PKT)
+#define COORD_ROW_OFST			        (0)
+#define COORD_ROW_MSK				    (0x0000FFFF << COORD_ROW_OFST)
+#define COORD_COL_OFST			        (16)
+#define COORD_COL_MSK				    (0x0000FFFF << COORD_COL_OFST)
+
+/* Module ID Register */
+#define COORD_1_REG                     (0x03 * REG_OFFSET + BASE_PKT)
+#define COORD_RESERVED_OFST			    (0)
+#define COORD_RESERVED_MSK		        (0x0000FFFF << COORD_RESERVED_OFST)
+#define COORD_ID_OFST			        (16)                            // Not connected in firmware TODO
+#define COORD_ID_MSK				    (0x0000FFFF << COORD_ID_OFST)   // Not connected in firmware TODO
+
+
 /* Flow control registers --------------------------------------------------*/
 
 /* Flow status Register*/
diff --git a/slsDetectorServers/gotthard2DetectorServer/bin/gotthard2DetectorServer_developer b/slsDetectorServers/gotthard2DetectorServer/bin/gotthard2DetectorServer_developer
index 95730ebf8..f9c37e4ab 100755
Binary files a/slsDetectorServers/gotthard2DetectorServer/bin/gotthard2DetectorServer_developer and b/slsDetectorServers/gotthard2DetectorServer/bin/gotthard2DetectorServer_developer differ
diff --git a/slsDetectorServers/gotthard2DetectorServer/slsDetectorFunctionList.c b/slsDetectorServers/gotthard2DetectorServer/slsDetectorFunctionList.c
index c5cd3a1c9..fba0c9f43 100644
--- a/slsDetectorServers/gotthard2DetectorServer/slsDetectorFunctionList.c
+++ b/slsDetectorServers/gotthard2DetectorServer/slsDetectorFunctionList.c
@@ -24,6 +24,7 @@
 extern int debugflag;
 extern int checkModuleFlag;
 extern udpStruct udpDetails;
+extern const enum detectorType myDetectorType;
 
 int initError = OK;
 int initCheckDone = 0;
@@ -422,10 +423,12 @@ void setupDetector() {
 	// power on chip
 	powerChip(1);
 
+#ifndef VIRTUAL
 	// also sets default dac and on chip dac values 
 	if (readConfigFile() == FAIL) {
 		return;
 	}
+#endif
 	// set burst mode will take in burstType and also set it
 	burstType = DEFAULT_BURST_TYPE;
 	setBurstMode(DEFAULT_BURST_MODE);
@@ -1169,7 +1172,35 @@ void calcChecksum(udp_header* udp) {
 
 int setDetectorPosition(int pos[]) {
     memcpy(detPos, pos, sizeof(detPos));
-	return OK;
+
+	uint32_t addr = COORD_0_REG;
+	int value = 0;
+	int valueRead = 0;
+	int ret = OK;
+
+	// row
+	value = detPos[X];
+	bus_w(addr, (bus_r(addr) &~COORD_ROW_MSK) | ((value << COORD_ROW_OFST) & COORD_ROW_MSK));
+	valueRead = ((bus_r(addr) &  COORD_ROW_MSK) >> COORD_ROW_OFST);
+	if (valueRead != value) {
+		FILE_LOG(logERROR, ("Could not set row. Set %d, read %d\n", value, valueRead));
+		ret = FAIL;
+	}
+
+	// col
+	value = detPos[Y];
+	bus_w(addr, (bus_r(addr) &~COORD_COL_MSK) | ((value << COORD_COL_OFST) & COORD_COL_MSK));
+	valueRead = ((bus_r(addr) &  COORD_COL_MSK) >> COORD_COL_OFST);
+	if (valueRead != value) {
+		FILE_LOG(logERROR, ("Could not set column. Set %d, read %d\n", value, valueRead));
+		ret = FAIL;
+	}
+
+	if (ret == OK) {
+		FILE_LOG(logINFO, ("\tPosition set to [%d, %d]\n", detPos[X], detPos[Y]));
+	} 
+	
+	return ret;
 }
 
 int* getDetectorPosition() {
@@ -1847,6 +1878,8 @@ void* start_timer(void* arg) {
 	int numFrames = (getNumFrames() *
 						getNumTriggers() );
 	int64_t exp_ns = 	getExpTime();
+	int datasize = 2560;
+	int packetsize = datasize + sizeof(sls_detector_header);
 
 
     int frameNr = 0;
@@ -1864,6 +1897,22 @@ void* start_timer(void* arg) {
         usleep(exp_ns / 1000);
         clock_gettime(CLOCK_REALTIME, &end);
 
+		char packetData[packetsize];
+		memset(packetData, 0, packetsize);
+		// set header
+		sls_detector_header* header = (sls_detector_header*)(packetData);
+		header->frameNumber = frameNr;
+		header->packetNumber = 0;
+		header->modId = 0;
+		header->row = detPos[X];
+		header->column = detPos[Y];
+		header->detType = (uint16_t)myDetectorType;
+		header->version = SLS_DETECTOR_HEADER_VERSION - 1;		
+
+		// send 1 packet = 1 frame
+		sendUDPPacket(0, packetData, packetsize);
+		FILE_LOG(logINFO, ("Sent frame: %d\n", frameNr));
+
 		// calculate time left in period
         int64_t time_ns = ((end.tv_sec - begin.tv_sec) * 1E9 +
                 (end.tv_nsec - begin.tv_nsec));
diff --git a/slsDetectorServers/jungfrauDetectorServer/slsDetectorFunctionList.c b/slsDetectorServers/jungfrauDetectorServer/slsDetectorFunctionList.c
index 8b83cd5a9..1055bc82e 100755
--- a/slsDetectorServers/jungfrauDetectorServer/slsDetectorFunctionList.c
+++ b/slsDetectorServers/jungfrauDetectorServer/slsDetectorFunctionList.c
@@ -24,6 +24,7 @@
 // Global variable from slsDetectorServer_funcs
 extern int debugflag;
 extern udpStruct udpDetails;
+extern const enum detectorType myDetectorType;
 
 int initError = OK;
 int initCheckDone = 0;
@@ -1667,7 +1668,7 @@ void* start_timer(void* arg) {
 
 				usleep(exp_us);
 
-				const int size = datasize + 112;
+				const int size = datasize + sizeof(sls_detector_header);
 				char packetData[size];
 				memset(packetData, 0, sizeof(sls_detector_header));
 				
@@ -1679,6 +1680,11 @@ void* start_timer(void* arg) {
 						sls_detector_header* header = (sls_detector_header*)(packetData);
 						header->frameNumber = frameNr;
 						header->packetNumber = i;
+						header->modId = 0;
+						header->row = detPos[X];
+						header->column = detPos[Y];
+						header->detType = (uint16_t)myDetectorType;
+						header->version = SLS_DETECTOR_HEADER_VERSION - 1;								
 						// fill data
 						memcpy(packetData + sizeof(sls_detector_header), imageData + srcOffset, datasize);
 						srcOffset += datasize;
diff --git a/slsDetectorServers/slsDetectorServer/src/ASIC_Driver.c b/slsDetectorServers/slsDetectorServer/src/ASIC_Driver.c
index b8494e3be..91df2f2f1 100755
--- a/slsDetectorServers/slsDetectorServer/src/ASIC_Driver.c
+++ b/slsDetectorServers/slsDetectorServer/src/ASIC_Driver.c
@@ -38,6 +38,9 @@ int ASIC_Driver_Set (int index, int length, char* buffer) {
         FILE_LOG(logDEBUG1, ("\t]\n"));
     }
     
+#ifdef VIRTUAL
+    return OK;
+#endif
     int fd=open(fname, O_RDWR);
     if (fd == -1) {
         FILE_LOG(logERROR, ("Could not open file %s for writing to control ASIC (%d)\n", fname, index));
diff --git a/slsSupportLib/include/versionAPI.h b/slsSupportLib/include/versionAPI.h
index 45e4e8bec..1c06c6949 100644
--- a/slsSupportLib/include/versionAPI.h
+++ b/slsSupportLib/include/versionAPI.h
@@ -9,4 +9,4 @@
 #define APICTB 0x191210
 #define APIEIGER 0x200110
 #define APIMYTHEN3 0x200120
-#define APIGOTTHARD2 0x200120
+#define APIGOTTHARD2 0x200121