diff --git a/python/slsdet/detector.py b/python/slsdet/detector.py
index 646f7711c..c74f6928e 100755
--- a/python/slsdet/detector.py
+++ b/python/slsdet/detector.py
@@ -1992,6 +1992,20 @@ class Detector(CppDetectorApi):
     Jungfrau specific
     """
 
+    @property
+    @element
+    def chipversion(self):
+        """
+        [Jungfrau] Chip version of module. Can be 1.0 or 1.1.
+
+        Example
+        -------
+        >>> d.chipversion
+        '1.0'
+        """
+        return self.getChipVersion()
+
+
     @property
     @element
     def auto_comp_disable(self):
diff --git a/python/src/detector.cpp b/python/src/detector.cpp
index f6d2ac615..9e558a235 100644
--- a/python/src/detector.cpp
+++ b/python/src/detector.cpp
@@ -947,6 +947,10 @@ void init_det(py::module &m) {
              (void (Detector::*)(sls::Positions)) &
                  Detector::resetTemperatureEvent,
              py::arg() = Positions{})
+        .def("getChipVersion",
+             (Result<double>(Detector::*)(sls::Positions) const) &
+                 Detector::getChipVersion,
+             py::arg() = Positions{})
         .def("getAutoCompDisable",
              (Result<bool>(Detector::*)(sls::Positions) const) &
                  Detector::getAutoCompDisable,
diff --git a/slsDetectorServers/ctbDetectorServer/bin/ctbDetectorServer_developer b/slsDetectorServers/ctbDetectorServer/bin/ctbDetectorServer_developer
index 258e18f7e..ccdfaae73 100755
Binary files a/slsDetectorServers/ctbDetectorServer/bin/ctbDetectorServer_developer and b/slsDetectorServers/ctbDetectorServer/bin/ctbDetectorServer_developer differ
diff --git a/slsDetectorServers/eigerDetectorServer/FebControl.c b/slsDetectorServers/eigerDetectorServer/FebControl.c
index 7ddd6823e..e75a1a2fc 100644
--- a/slsDetectorServers/eigerDetectorServer/FebControl.c
+++ b/slsDetectorServers/eigerDetectorServer/FebControl.c
@@ -1106,7 +1106,7 @@ int Feb_Control_SendSoftwareTrigger() {
         LOG(logERROR, ("Could not give software trigger\n"));
         return 0;
     }
-    LOG(logINFO, ("Software Internal Trigger Sent!\n"));
+    LOG(logDEBUG1, ("Software Internal Trigger Sent!\n"));
     return 1;
 }
 
@@ -1129,7 +1129,7 @@ int Feb_Control_SoftwareTrigger(int block) {
 
         // wait for next trigger ready
         if (block) {
-            LOG(logINFO, ("Blocking Software Trigger\n"));
+            LOG(logDEBUG1, ("Blocking Software Trigger\n"));
             int readyForTrigger = 0;
             if (!Feb_Control_IsReadyForTrigger(&readyForTrigger)) {
                 LOG(logERROR, ("Could not read FEB_REG_STATUS reg after giving "
@@ -1138,6 +1138,15 @@ int Feb_Control_SoftwareTrigger(int block) {
             }
 
             while (!readyForTrigger) {
+                // end of acquisition (cannot monitor readyForTrigger)
+                int status = Feb_Control_AcquisitionInProgress();
+                if (status == STATUS_ERROR) {
+                    LOG(logERROR, ("Status: ERROR reading DAQ status register\n"));
+                    return 0;
+                } else if (status == STATUS_IDLE) {
+                    break;
+                }
+
                 usleep(5000);
                 if (!Feb_Control_IsReadyForTrigger(&readyForTrigger)) {
                     LOG(logERROR, ("Could not read FEB_REG_STATUS reg after "
@@ -1145,8 +1154,10 @@ int Feb_Control_SoftwareTrigger(int block) {
                     return 0;
                 }
             }
-            LOG(logINFO, ("Done waiting (wait for trigger)!\n"));
+            LOG(logDEBUG2, ("Done waiting (wait for trigger)!\n"));
         }
+            LOG(logINFO, ("%s Software Trigger %s\n", (block ? "Blocking" : "Non blocking"), (block ? "Acquired" : "Sent")));
+            fflush(stdout);
     }
 
     return 1;
diff --git a/slsDetectorServers/eigerDetectorServer/bin/eigerDetectorServer_developer b/slsDetectorServers/eigerDetectorServer/bin/eigerDetectorServer_developer
index fde66559a..3006b0969 100755
Binary files a/slsDetectorServers/eigerDetectorServer/bin/eigerDetectorServer_developer and b/slsDetectorServers/eigerDetectorServer/bin/eigerDetectorServer_developer differ
diff --git a/slsDetectorServers/eigerDetectorServer/slsDetectorFunctionList.c b/slsDetectorServers/eigerDetectorServer/slsDetectorFunctionList.c
index 73b337ada..3b395f52e 100644
--- a/slsDetectorServers/eigerDetectorServer/slsDetectorFunctionList.c
+++ b/slsDetectorServers/eigerDetectorServer/slsDetectorFunctionList.c
@@ -434,8 +434,9 @@ int readConfigFile() {
     master = -1;
     top = -1;
 
-    char fname[128];
-    if (getAbsPath(fname, 128, CONFIG_FILE) == FAIL) {
+    const int fileNameSize = 128;
+    char fname[fileNameSize];
+    if (getAbsPath(fname, fileNameSize, CONFIG_FILE) == FAIL) {
         return FAIL;
     }
 
diff --git a/slsDetectorServers/gotthard2DetectorServer/bin/gotthard2DetectorServer_developer b/slsDetectorServers/gotthard2DetectorServer/bin/gotthard2DetectorServer_developer
index 2b6632367..dabd39758 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 c7a9814fe..3dbb46900 100644
--- a/slsDetectorServers/gotthard2DetectorServer/slsDetectorFunctionList.c
+++ b/slsDetectorServers/gotthard2DetectorServer/slsDetectorFunctionList.c
@@ -530,8 +530,9 @@ int readConfigFile() {
 
     usleep(INITIAL_STARTUP_WAIT);
 
-    char fname[128];
-    if (getAbsPath(fname, 128, CONFIG_FILE) == FAIL) {
+    const int fileNameSize = 128;
+    char fname[fileNameSize];
+    if (getAbsPath(fname, fileNameSize, CONFIG_FILE) == FAIL) {
         return FAIL;
     }
 
@@ -1833,15 +1834,23 @@ int checkDetectorType() {
     int type = atoi(buffer);
     if (type > TYPE_NO_MODULE_STARTING_VAL) {
         LOG(logERROR,
-            ("No Module attached! Expected %d for Gotthard2, got %d\n",
-             TYPE_GOTTHARD2_MODULE_VAL, type));
+            ("No Module attached! Expected %d, %d or %d for Gotthard2, got %d\n",
+             TYPE_GOTTHARD2_MODULE_VAL, 
+             TYPE_GOTTHARD2_25UM_MASTER_MODULE_VAL,
+             TYPE_GOTTHARD2_25UM_SLAVE_MODULE_VAL,
+             type));
         return -2;
     }
 
-    if (abs(type - TYPE_GOTTHARD2_MODULE_VAL) > TYPE_TOLERANCE) {
+    if ((abs(type - TYPE_GOTTHARD2_MODULE_VAL) > TYPE_TOLERANCE) &&
+    (abs(type - TYPE_GOTTHARD2_25UM_MASTER_MODULE_VAL) > TYPE_TOLERANCE) &&
+    (abs(type - TYPE_GOTTHARD2_25UM_SLAVE_MODULE_VAL) > TYPE_TOLERANCE)) {
         LOG(logERROR,
-            ("Wrong Module attached! Expected %d for Gotthard2, got %d\n",
-             TYPE_GOTTHARD2_MODULE_VAL, type));
+            ("Wrong Module attached! Expected %d, %d or %d for Gotthard2, got %d\n",
+             TYPE_GOTTHARD2_MODULE_VAL, 
+             TYPE_GOTTHARD2_25UM_MASTER_MODULE_VAL,
+             TYPE_GOTTHARD2_25UM_SLAVE_MODULE_VAL,
+             type));
         return FAIL;
     }
     return OK;
diff --git a/slsDetectorServers/gotthard2DetectorServer/slsDetectorServer_defs.h b/slsDetectorServers/gotthard2DetectorServer/slsDetectorServer_defs.h
index 46db18153..91293d7e3 100644
--- a/slsDetectorServers/gotthard2DetectorServer/slsDetectorServer_defs.h
+++ b/slsDetectorServers/gotthard2DetectorServer/slsDetectorServer_defs.h
@@ -26,7 +26,10 @@
 #define ADU_MAX_BITS                (12)
 #define MAX_FRAMES_IN_BURST_MODE    (2720)
 #define TYPE_GOTTHARD2_MODULE_VAL   (536)
-#define TYPE_TOLERANCE              (10)
+#define TYPE_GOTTHARD2_25UM_MASTER_MODULE_VAL   (683)
+#define TYPE_GOTTHARD2_25UM_SLAVE_MODULE_VAL    (704)
+#define TYPE_GOTTHARD2_MODULE_VAL   (536)
+#define TYPE_TOLERANCE              (5)
 #define TYPE_NO_MODULE_STARTING_VAL (800)
 #define INITIAL_STARTUP_WAIT        (1 * 1000 * 1000)
 
diff --git a/slsDetectorServers/gotthardDetectorServer/bin/gotthardDetectorServer_developer b/slsDetectorServers/gotthardDetectorServer/bin/gotthardDetectorServer_developer
index 689a040a4..90989277d 100755
Binary files a/slsDetectorServers/gotthardDetectorServer/bin/gotthardDetectorServer_developer and b/slsDetectorServers/gotthardDetectorServer/bin/gotthardDetectorServer_developer differ
diff --git a/slsDetectorServers/gotthardDetectorServer/slsDetectorFunctionList.c b/slsDetectorServers/gotthardDetectorServer/slsDetectorFunctionList.c
index db55c29e1..eae7a7722 100644
--- a/slsDetectorServers/gotthardDetectorServer/slsDetectorFunctionList.c
+++ b/slsDetectorServers/gotthardDetectorServer/slsDetectorFunctionList.c
@@ -588,8 +588,9 @@ void setGbitReadout() {
 }
 
 int readConfigFile() {
-    char fname[128];
-    if (getAbsPath(fname, 128, CONFIG_FILE) == FAIL) {
+    const int fileNameSize = 128;
+    char fname[fileNameSize];
+    if (getAbsPath(fname, fileNameSize, CONFIG_FILE) == FAIL) {
         return FAIL;
     }
 
diff --git a/slsDetectorServers/jungfrauDetectorServer/CMakeLists.txt b/slsDetectorServers/jungfrauDetectorServer/CMakeLists.txt
index ded49a47c..2d1a6fd12 100644
--- a/slsDetectorServers/jungfrauDetectorServer/CMakeLists.txt
+++ b/slsDetectorServers/jungfrauDetectorServer/CMakeLists.txt
@@ -36,4 +36,6 @@ set_target_properties(jungfrauDetectorServer_virtual PROPERTIES
 install(TARGETS jungfrauDetectorServer_virtual
     EXPORT "${TARGETS_EXPORT_NAME}"
     RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
-)
\ No newline at end of file
+)
+
+configure_file(config_jungfrau.txt ${CMAKE_BINARY_DIR}/bin/config_jungfrau.txt COPYONLY)
diff --git a/slsDetectorServers/jungfrauDetectorServer/Makefile b/slsDetectorServers/jungfrauDetectorServer/Makefile
index 1a225159c..551b9137c 100755
--- a/slsDetectorServers/jungfrauDetectorServer/Makefile
+++ b/slsDetectorServers/jungfrauDetectorServer/Makefile
@@ -32,6 +32,7 @@ $(PROGS): $(OBJS)
 	mkdir -p $(DESTDIR) 
 	$(CC) -o $@ $^ $(CFLAGS)  $(LDLIBS)  
 	mv $(PROGS) $(DESTDIR)
+	cp config_jungfrau.txt $(DESTDIR)
 	rm *.gdb
 	rm $(main_src)*.o
 
diff --git a/slsDetectorServers/jungfrauDetectorServer/bin/jungfrauDetectorServer_developer b/slsDetectorServers/jungfrauDetectorServer/bin/jungfrauDetectorServer_developer
index 2219036ea..8628212f5 100755
Binary files a/slsDetectorServers/jungfrauDetectorServer/bin/jungfrauDetectorServer_developer and b/slsDetectorServers/jungfrauDetectorServer/bin/jungfrauDetectorServer_developer differ
diff --git a/slsDetectorServers/jungfrauDetectorServer/config_jungfrau.txt b/slsDetectorServers/jungfrauDetectorServer/config_jungfrau.txt
new file mode 100755
index 000000000..48fea871e
--- /dev/null
+++ b/slsDetectorServers/jungfrauDetectorServer/config_jungfrau.txt
@@ -0,0 +1,4 @@
+
+
+#chip version       version (multiplied by 10)
+chipversion         11
diff --git a/slsDetectorServers/jungfrauDetectorServer/slsDetectorFunctionList.c b/slsDetectorServers/jungfrauDetectorServer/slsDetectorFunctionList.c
index f9ac4032e..57f96cc18 100644
--- a/slsDetectorServers/jungfrauDetectorServer/slsDetectorFunctionList.c
+++ b/slsDetectorServers/jungfrauDetectorServer/slsDetectorFunctionList.c
@@ -45,6 +45,7 @@ int highvoltage = 0;
 int dacValues[NDAC] = {};
 int32_t clkPhase[NUM_CLOCKS] = {};
 int detPos[4] = {};
+int chipVersion = 10; // (1.0)
 
 int isInitCheckDone() { return initCheckDone; }
 
@@ -101,6 +102,7 @@ void basictests() {
 
     if (fwversion >= MIN_REQRD_VRSN_T_RD_API)
         sw_fw_apiversion = getFirmwareAPIVersion();
+
     LOG(logINFOBLUE,
         ("************ Jungfrau Server *********************\n"
          "Hardware Version:\t\t 0x%x\n"
@@ -283,12 +285,17 @@ u_int16_t getHardwareSerialNumber() {
 
 // is board 1.0?, with value 2 (resistor network)
 int isHardwareVersion2() {
+#ifdef VIRTUAL
+    return 0;
+#endif
     return (((bus_r(MOD_SERIAL_NUM_REG) & HARDWARE_VERSION_NUM_MSK) ==
              HARDWARE_VERSION_2_VAL)
                 ? 1
                 : 0);
 }
 
+int getChipVersion() { return chipVersion; }
+
 u_int32_t getDetectorNumber() {
 #ifdef VIRTUAL
     return 0;
@@ -383,6 +390,11 @@ void setupDetector() {
     sharedMemory_setStatus(IDLE);
 #endif
 
+    // get chip version
+    if (readConfigFile() == FAIL) {
+        return;
+    }
+
     ALTERA_PLL_ResetPLL();
     resetCore();
     resetPeripheral();
@@ -468,6 +480,127 @@ int setDefaultDacs() {
     return ret;
 }
 
+int readConfigFile() {
+
+    if (initError == FAIL) {
+        return initError;
+    }
+
+    const int fileNameSize = 128;
+    char fname[fileNameSize];
+    if (getAbsPath(fname, fileNameSize, CONFIG_FILE) == FAIL) {
+        return FAIL;
+    }
+
+    // open config file
+    FILE *fd = fopen(fname, "r");
+    if (fd == NULL) {
+        sprintf(initErrorMessage,
+                "Could not open on-board detector server config file [%s].\n",
+                CONFIG_FILE);
+        initError = FAIL;
+        LOG(logERROR, ("%s\n\n", initErrorMessage));
+        return FAIL;
+    }
+
+    LOG(logINFOBLUE, ("Reading config file %s\n", CONFIG_FILE));
+
+    // Initialization
+    const size_t LZ = 256;
+    char line[LZ];
+    memset(line, 0, LZ);
+    char command[LZ];
+
+    // keep reading a line
+    while (fgets(line, LZ, fd)) {
+
+        // ignore comments
+        if (line[0] == '#') {
+            LOG(logDEBUG1, ("Ignoring Comment\n"));
+            continue;
+        }
+
+        // ignore empty lines
+        if (strlen(line) <= 1) {
+            LOG(logDEBUG1, ("Ignoring Empty line\n"));
+            continue;
+        }
+
+        // removing leading spaces
+        if (line[0] == ' ' || line[0] == '\t') {
+            int len = strlen(line);
+            // find first valid character
+            int i = 0;
+            for (i = 0; i < len; ++i) {
+                if (line[i] != ' ' && line[i] != '\t') {
+                    break;
+                }
+            }
+            // ignore the line full of spaces (last char \n)
+            if (i >= len - 1) {
+                LOG(logDEBUG1, ("Ignoring line full of spaces\n"));
+                continue;
+            }
+            // copying only valid char
+            char temp[LZ];
+            memset(temp, 0, LZ);
+            memcpy(temp, line + i, strlen(line) - i);
+            memset(line, 0, LZ);
+            memcpy(line, temp, strlen(temp));
+            LOG(logDEBUG1, ("Removing leading spaces.\n"));
+        }
+
+        LOG(logDEBUG1, ("Command to process: (size:%d) %.*s\n", strlen(line),
+                        strlen(line) - 1, line));
+        memset(command, 0, LZ);
+
+        // chipversion command
+        if (!strncmp(line, "chipversion", strlen("chipversion"))) {
+            int version = 0;
+
+            // cannot scan values
+            if (sscanf(line, "%s %d", command, &version) != 2) {
+                sprintf(
+                    initErrorMessage,
+                    "Could not scan chipversion commands from on-board server "
+                    "config file. Line:[%s].\n",
+                    line);
+                break;
+            }
+            // validations
+            if (version != 10 && version != 11) {
+                sprintf(initErrorMessage,
+                        "Could not set chip version from on-board server "
+                        "config file. Invalid chip version %d. Line:[%s].\n",
+                        version, line);
+                break;
+            }
+
+            // validations
+            chipVersion = version;
+            LOG(logINFOBLUE, ("Chip Version: v%.01f\n", chipVersion / 10.0));
+
+            // version 1.1 and HW 1.0 (version reg value = 2) is incompatible
+            if (chipVersion == 11 && isHardwareVersion2()) {
+                strcpy(initErrorMessage,
+                        "Chip version 1.1 (from on-board config file) is incompatible with old board (v1.0). Please update board or correct on-board config file.\n");
+                break;                
+            }
+        }
+
+        memset(line, 0, LZ);
+    }
+    fclose(fd);
+
+    if (strlen(initErrorMessage)) {
+        initError = FAIL;
+        LOG(logERROR, ("%s\n\n", initErrorMessage));
+    } else {
+        LOG(logINFOBLUE, ("Successfully read config file\n"));
+    }
+    return initError;
+}
+
 /* firmware functions (resets) */
 
 void cleanFifos() {
diff --git a/slsDetectorServers/jungfrauDetectorServer/slsDetectorServer_defs.h b/slsDetectorServers/jungfrauDetectorServer/slsDetectorServer_defs.h
index 9877917c6..9f347f047 100644
--- a/slsDetectorServers/jungfrauDetectorServer/slsDetectorServer_defs.h
+++ b/slsDetectorServers/jungfrauDetectorServer/slsDetectorServer_defs.h
@@ -3,8 +3,8 @@
 #include "sls/sls_detector_defs.h"
 
 #define MIN_REQRD_VRSN_T_RD_API  0x171220
-#define REQRD_FRMWRE_VRSN_BOARD2 0x210218 // 1.0 pcb
-#define REQRD_FRMWRE_VRSN        0x200721 // 2.0 pcb
+#define REQRD_FRMWRE_VRSN_BOARD2 0x210621 // 1.0 pcb
+#define REQRD_FRMWRE_VRSN        0x210622 // 2.0 pcb
 
 #define CTRL_SRVR_INIT_TIME_US (300 * 1000)
 
@@ -77,6 +77,7 @@ enum CLKINDEX { RUN_CLK, ADC_CLK, DBIT_CLK, NUM_CLOCKS };
 #define CLK_SYNC            (20) // MHz
 #define ADC_CLK_INDEX       (1)
 #define DBIT_CLK_INDEX      (0)
+#define CONFIG_FILE         ("config_jungfrau.txt")
 
 /** Default Parameters */
 #define DEFAULT_NUM_FRAMES            (100 * 1000 * 1000)
diff --git a/slsDetectorServers/moenchDetectorServer/bin/moenchDetectorServer_developer b/slsDetectorServers/moenchDetectorServer/bin/moenchDetectorServer_developer
index 65acee737..215b4752f 100755
Binary files a/slsDetectorServers/moenchDetectorServer/bin/moenchDetectorServer_developer and b/slsDetectorServers/moenchDetectorServer/bin/moenchDetectorServer_developer differ
diff --git a/slsDetectorServers/mythen3DetectorServer/bin/mythen3DetectorServer_developer b/slsDetectorServers/mythen3DetectorServer/bin/mythen3DetectorServer_developer
index c6a8752f1..fd9b15709 100755
Binary files a/slsDetectorServers/mythen3DetectorServer/bin/mythen3DetectorServer_developer and b/slsDetectorServers/mythen3DetectorServer/bin/mythen3DetectorServer_developer differ
diff --git a/slsDetectorServers/mythen3DetectorServer/slsDetectorServer_defs.h b/slsDetectorServers/mythen3DetectorServer/slsDetectorServer_defs.h
index ef4354f82..35f53caef 100644
--- a/slsDetectorServers/mythen3DetectorServer/slsDetectorServer_defs.h
+++ b/slsDetectorServers/mythen3DetectorServer/slsDetectorServer_defs.h
@@ -21,7 +21,7 @@
 #define TYPE_FILE_NAME              ("/etc/devlinks/type")
 #define DAC_MAX_MV                  (2048)
 #define TYPE_MYTHEN3_MODULE_VAL     (93)
-#define TYPE_TOLERANCE              (10)
+#define TYPE_TOLERANCE              (5)
 #define TYPE_NO_MODULE_STARTING_VAL (800)
 #define MAX_EXT_SIGNALS             (8)
 
diff --git a/slsDetectorServers/slsDetectorServer/include/slsDetectorFunctionList.h b/slsDetectorServers/slsDetectorServer/include/slsDetectorFunctionList.h
index fea7c5cfc..c886b8865 100644
--- a/slsDetectorServers/slsDetectorServer/include/slsDetectorFunctionList.h
+++ b/slsDetectorServers/slsDetectorServer/include/slsDetectorFunctionList.h
@@ -87,6 +87,7 @@ u_int16_t getHardwareSerialNumber();
 #endif
 #ifdef JUNGFRAUD
 int isHardwareVersion2();
+int getChipVersion();
 #endif
 #if defined(EIGERD) || defined(MYTHEN3D)
 void readDetectorNumber();
@@ -122,7 +123,7 @@ int setDefaultDacs();
 void setASICDefaults();
 void setADIFDefaults();
 #endif
-#if defined(GOTTHARD2D) || defined(EIGERD)
+#if defined(GOTTHARD2D) || defined(EIGERD) || defined(JUNGFRAUD)
 int readConfigFile();
 #endif
 #ifdef EIGERD
diff --git a/slsDetectorServers/slsDetectorServer/include/slsDetectorServer_funcs.h b/slsDetectorServers/slsDetectorServer/include/slsDetectorServer_funcs.h
index f9c86e9c1..05414d4e7 100644
--- a/slsDetectorServers/slsDetectorServer/include/slsDetectorServer_funcs.h
+++ b/slsDetectorServers/slsDetectorServer/include/slsDetectorServer_funcs.h
@@ -253,3 +253,4 @@ int get_veto_stream(int);
 int set_veto_stream(int);
 int get_veto_algorithm(int);
 int set_veto_algorithm(int);
+int get_chip_version(int);
diff --git a/slsDetectorServers/slsDetectorServer/src/slsDetectorServer_funcs.c b/slsDetectorServers/slsDetectorServer/src/slsDetectorServer_funcs.c
index 6637c78f3..c7f05ed21 100644
--- a/slsDetectorServers/slsDetectorServer/src/slsDetectorServer_funcs.c
+++ b/slsDetectorServers/slsDetectorServer/src/slsDetectorServer_funcs.c
@@ -379,6 +379,7 @@ void function_table() {
     flist[F_SET_VETO_STREAM] = &set_veto_stream;
     flist[F_GET_VETO_ALGORITHM] = &get_veto_algorithm;
     flist[F_SET_VETO_ALGORITHM] = &set_veto_algorithm;
+    flist[F_GET_CHIP_VERSION] = &get_chip_version;
 
     // check
     if (NUM_DET_FUNCTIONS >= RECEIVER_ENUM_START) {
@@ -8432,4 +8433,17 @@ int set_veto_algorithm(int file_des) {
     }
 #endif
     return Server_SendResult(file_des, INT32, NULL, 0);
+}
+
+int get_chip_version(int file_des) {
+    ret = OK;
+    memset(mess, 0, sizeof(mess));
+    int retval = -1;
+#ifndef JUNGFRAUD
+    functionNotImplemented();
+#else
+    retval = getChipVersion();
+#endif
+    LOG(logDEBUG1, ("chip version retval: %d\n", retval));
+    return Server_SendResult(file_des, INT32, &retval, sizeof(retval));
 }
\ No newline at end of file
diff --git a/slsDetectorSoftware/include/sls/Detector.h b/slsDetectorSoftware/include/sls/Detector.h
index 69d6102c9..58b8ac9c6 100644
--- a/slsDetectorSoftware/include/sls/Detector.h
+++ b/slsDetectorSoftware/include/sls/Detector.h
@@ -1081,6 +1081,9 @@ class Detector {
      *                                                *
      * ************************************************/
 
+    /** [Jungfrau] */
+    Result<double> getChipVersion(Positions pos = {}) const;
+
     /** [Jungfrau] */
     Result<int> getThresholdTemperature(Positions pos = {}) const;
 
diff --git a/slsDetectorSoftware/src/CmdProxy.h b/slsDetectorSoftware/src/CmdProxy.h
index d41420f07..cb4319518 100644
--- a/slsDetectorSoftware/src/CmdProxy.h
+++ b/slsDetectorSoftware/src/CmdProxy.h
@@ -918,6 +918,7 @@ class CmdProxy {
         {"datastream", &CmdProxy::DataStream},
 
         /* Jungfrau Specific */
+        {"chipversion", &CmdProxy::chipversion},
         {"temp_threshold", &CmdProxy::temp_threshold},
         {"temp_control", &CmdProxy::temp_control},
         {"temp_event", &CmdProxy::TemperatureEvent},
@@ -1812,6 +1813,9 @@ class CmdProxy {
 
     /* Jungfrau Specific */
 
+    GET_COMMAND(chipversion, getChipVersion,
+                "\n\t[Jungfrau] Returns chip version. Can be 1.0 or 1.1");
+
     INTEGER_COMMAND_VEC_ID(
         temp_threshold, getThresholdTemperature, setThresholdTemperature,
         StringTo<int>,
diff --git a/slsDetectorSoftware/src/Detector.cpp b/slsDetectorSoftware/src/Detector.cpp
index a8ba03d68..02abbad9f 100644
--- a/slsDetectorSoftware/src/Detector.cpp
+++ b/slsDetectorSoftware/src/Detector.cpp
@@ -1398,6 +1398,9 @@ void Detector::setDataStream(const defs::portPosition port, const bool enable,
 }
 
 // Jungfrau Specific
+Result<double> Detector::getChipVersion(Positions pos) const {
+    return pimpl->Parallel(&Module::getChipVersion, pos);
+}
 
 Result<int> Detector::getThresholdTemperature(Positions pos) const {
     return pimpl->Parallel(&Module::getThresholdTemperature, pos);
diff --git a/slsDetectorSoftware/src/Module.cpp b/slsDetectorSoftware/src/Module.cpp
index 9d6f1e316..03d67f030 100644
--- a/slsDetectorSoftware/src/Module.cpp
+++ b/slsDetectorSoftware/src/Module.cpp
@@ -1522,6 +1522,9 @@ void Module::setDataStream(const portPosition port, const bool enable) {
 }
 
 // Jungfrau Specific
+double Module::getChipVersion() const {
+    return (sendToDetector<int>(F_GET_CHIP_VERSION)) / 10.00;
+}
 
 int Module::getThresholdTemperature() const {
     auto retval = sendToDetectorStop<int>(F_THRESHOLD_TEMP, GET_FLAG);
diff --git a/slsDetectorSoftware/src/Module.h b/slsDetectorSoftware/src/Module.h
index 07fc117db..e9a5663a9 100644
--- a/slsDetectorSoftware/src/Module.h
+++ b/slsDetectorSoftware/src/Module.h
@@ -351,6 +351,7 @@ class Module : public virtual slsDetectorDefs {
      *    Jungfrau Specific                           *
      *                                                *
      * ************************************************/
+    double getChipVersion() const;
     int getThresholdTemperature() const;
     void setThresholdTemperature(int val);
     bool getTemperatureControl() const;
diff --git a/slsDetectorSoftware/tests/test-CmdProxy-jungfrau.cpp b/slsDetectorSoftware/tests/test-CmdProxy-jungfrau.cpp
index 9508daeee..069410689 100644
--- a/slsDetectorSoftware/tests/test-CmdProxy-jungfrau.cpp
+++ b/slsDetectorSoftware/tests/test-CmdProxy-jungfrau.cpp
@@ -190,6 +190,18 @@ TEST_CASE("temp_threshold", "[.cmd]") {
     }
 }
 
+TEST_CASE("chipversion", "[.cmd]") {
+    Detector det;
+    CmdProxy proxy(&det);
+    auto det_type = det.getDetectorType().squash();
+    if (det_type == defs::JUNGFRAU) {
+        REQUIRE_NOTHROW(proxy.Call("chipversion", {}, -1, GET));
+    } else {
+        REQUIRE_THROWS(proxy.Call("chipversion", {}, -1, GET));
+    }
+    REQUIRE_THROWS(proxy.Call("chipversion", {"0"}, -1, PUT));
+}
+
 TEST_CASE("temp_control", "[.cmd]") {
     Detector det;
     CmdProxy proxy(&det);
diff --git a/slsSupportLib/include/sls/sls_detector_funcs.h b/slsSupportLib/include/sls/sls_detector_funcs.h
index a81e69d7b..f517fd26a 100755
--- a/slsSupportLib/include/sls/sls_detector_funcs.h
+++ b/slsSupportLib/include/sls/sls_detector_funcs.h
@@ -230,6 +230,7 @@ enum detFuncs {
     F_SET_VETO_STREAM,
     F_GET_VETO_ALGORITHM,
     F_SET_VETO_ALGORITHM,
+    F_GET_CHIP_VERSION,
 
     NUM_DET_FUNCTIONS,
     RECEIVER_ENUM_START = 256, /**< detector function should not exceed this
@@ -566,6 +567,7 @@ const char* getFunctionNameFromEnum(enum detFuncs func) {
     case F_SET_VETO_STREAM:                 return "F_SET_VETO_STREAM";
     case F_GET_VETO_ALGORITHM:              return "F_GET_VETO_ALGORITHM";    
     case F_SET_VETO_ALGORITHM:              return "F_SET_VETO_ALGORITHM";
+    case F_GET_CHIP_VERSION:                return "F_GET_CHIP_VERSION";
 
     case NUM_DET_FUNCTIONS:              	return "NUM_DET_FUNCTIONS";
     case RECEIVER_ENUM_START:				return "RECEIVER_ENUM_START";
diff --git a/slsSupportLib/include/sls/versionAPI.h b/slsSupportLib/include/sls/versionAPI.h
index fef718cf1..00187dfe0 100644
--- a/slsSupportLib/include/sls/versionAPI.h
+++ b/slsSupportLib/include/sls/versionAPI.h
@@ -3,10 +3,10 @@
 #define APILIB       0x210225
 #define APIRECEIVER  0x210225
 #define APIGUI       0x210225
-#define APICTB 0x210722
-#define APIGOTTHARD 0x210722
-#define APIGOTTHARD2 0x210722
-#define APIJUNGFRAU 0x210722
-#define APIMYTHEN3 0x210722
-#define APIMOENCH 0x210722
-#define APIEIGER 0x210722
+#define APICTB 0x210727
+#define APIGOTTHARD 0x210727
+#define APIGOTTHARD2 0x210727
+#define APIMYTHEN3 0x210727
+#define APIMOENCH 0x210727
+#define APIEIGER 0x210727
+#define APIJUNGFRAU 0x210727