diff --git a/RELEASE.txt b/RELEASE.txt
index 1bc71e576..07682d45c 100755
--- a/RELEASE.txt
+++ b/RELEASE.txt
@@ -30,11 +30,11 @@ This document describes the differences between v6.1.0 and v6.0.0.
 - mythen server kernel check incompatible (cet timezone)
 - rx_arping
 - rx_threadsids max is now 9 (breaking api)
+- fixed datastream disabling for eiger. Its only available in 10g mode.
 - m3 server crash (vthrehsold)
 - allow vtrim to be interpolated for Eiger settings
 
 
-
 2. Resolved Issues
 ==================
 
diff --git a/slsDetectorServers/ctbDetectorServer/bin/ctbDetectorServer_developer b/slsDetectorServers/ctbDetectorServer/bin/ctbDetectorServer_developer
index 99c4e1a48..4c2996d29 100755
Binary files a/slsDetectorServers/ctbDetectorServer/bin/ctbDetectorServer_developer and b/slsDetectorServers/ctbDetectorServer/bin/ctbDetectorServer_developer differ
diff --git a/slsDetectorServers/eigerDetectorServer/Beb.c b/slsDetectorServers/eigerDetectorServer/Beb.c
index 57fcd5a9a..90512c7b1 100644
--- a/slsDetectorServers/eigerDetectorServer/Beb.c
+++ b/slsDetectorServers/eigerDetectorServer/Beb.c
@@ -492,6 +492,11 @@ int Beb_SetDataStream(enum portPosition port, int enable) {
         u_int32_t reg = XPAR_GPIO_P15_STREAMING_REG;
         u_int32_t mask = (port == LEFT ? XPAR_GPIO_LFT_STRM_DSBL_MSK
                                        : XPAR_GPIO_RGHT_STRM_DSBL_MSK);
+        // invert left/right if bottom
+        if (!Beb_top) {
+            mask = (port == LEFT ? XPAR_GPIO_RGHT_STRM_DSBL_MSK
+                                 : XPAR_GPIO_LFT_STRM_DSBL_MSK);
+        }
 
         u_int32_t value = Beb_Read32(csp0base, reg);
         // disabling in firmware
@@ -529,6 +534,11 @@ int Beb_GetDataStream(enum portPosition port, int *retval) {
         u_int32_t reg = XPAR_GPIO_P15_STREAMING_REG;
         u_int32_t mask = (port == LEFT ? XPAR_GPIO_LFT_STRM_DSBL_MSK
                                        : XPAR_GPIO_RGHT_STRM_DSBL_MSK);
+        // invert left/right if bottom
+        if (!Beb_top) {
+            mask = (port == LEFT ? XPAR_GPIO_RGHT_STRM_DSBL_MSK
+                                 : XPAR_GPIO_LFT_STRM_DSBL_MSK);
+        }
 
         u_int32_t value = Beb_Read32(csp0base, reg);
         // disabling in firmware
@@ -682,6 +692,10 @@ int Beb_GetTransmissionDelayLeft() {
         return Beb_deactivated_transmission_delay_left;
     }
     u_int32_t offset = TXM_DELAY_LEFT_OFFSET;
+    // invert left/right if bottom
+    if (!Beb_top) {
+        offset = TXM_DELAY_RIGHT_OFFSET;
+    }
     u_int32_t *csp0base = 0;
     int fd = Beb_open(&csp0base, XPAR_PLB_GPIO_SYS_BASEADDR);
     if (fd <= 0) {
@@ -706,6 +720,10 @@ int Beb_SetTransmissionDelayLeft(int value) {
         return 1;
     }
     u_int32_t offset = TXM_DELAY_LEFT_OFFSET;
+    // invert left/right if bottom
+    if (!Beb_top) {
+        offset = TXM_DELAY_RIGHT_OFFSET;
+    }
     u_int32_t *csp0base = 0;
     int fd = Beb_open(&csp0base, XPAR_PLB_GPIO_SYS_BASEADDR);
     if (fd <= 0) {
@@ -726,6 +744,10 @@ int Beb_GetTransmissionDelayRight() {
     }
 
     u_int32_t offset = TXM_DELAY_RIGHT_OFFSET;
+    // invert left/right if bottom
+    if (!Beb_top) {
+        offset = TXM_DELAY_LEFT_OFFSET;
+    }
     u_int32_t *csp0base = 0;
     int fd = Beb_open(&csp0base, XPAR_PLB_GPIO_SYS_BASEADDR);
     if (fd <= 0) {
@@ -750,6 +772,10 @@ int Beb_SetTransmissionDelayRight(int value) {
         return 1;
     }
     u_int32_t offset = TXM_DELAY_RIGHT_OFFSET;
+    // invert left/right if bottom
+    if (!Beb_top) {
+        offset = TXM_DELAY_LEFT_OFFSET;
+    }
     u_int32_t *csp0base = 0;
     int fd = Beb_open(&csp0base, XPAR_PLB_GPIO_SYS_BASEADDR);
     if (fd <= 0) {
diff --git a/slsDetectorServers/eigerDetectorServer/bin/eigerDetectorServer_developer b/slsDetectorServers/eigerDetectorServer/bin/eigerDetectorServer_developer
index 42ec39faf..d180ff497 100755
Binary files a/slsDetectorServers/eigerDetectorServer/bin/eigerDetectorServer_developer and b/slsDetectorServers/eigerDetectorServer/bin/eigerDetectorServer_developer differ
diff --git a/slsDetectorServers/gotthard2DetectorServer/bin/gotthard2DetectorServer_developer b/slsDetectorServers/gotthard2DetectorServer/bin/gotthard2DetectorServer_developer
index 556fdd5e1..08c19526e 100755
Binary files a/slsDetectorServers/gotthard2DetectorServer/bin/gotthard2DetectorServer_developer and b/slsDetectorServers/gotthard2DetectorServer/bin/gotthard2DetectorServer_developer differ
diff --git a/slsDetectorServers/gotthardDetectorServer/bin/gotthardDetectorServer_developer b/slsDetectorServers/gotthardDetectorServer/bin/gotthardDetectorServer_developer
index 5636abce9..de16b7c17 100755
Binary files a/slsDetectorServers/gotthardDetectorServer/bin/gotthardDetectorServer_developer and b/slsDetectorServers/gotthardDetectorServer/bin/gotthardDetectorServer_developer differ
diff --git a/slsDetectorServers/jungfrauDetectorServer/bin/jungfrauDetectorServer_developer b/slsDetectorServers/jungfrauDetectorServer/bin/jungfrauDetectorServer_developer
index ae900b7b6..a9a35d676 100755
Binary files a/slsDetectorServers/jungfrauDetectorServer/bin/jungfrauDetectorServer_developer and b/slsDetectorServers/jungfrauDetectorServer/bin/jungfrauDetectorServer_developer differ
diff --git a/slsDetectorServers/moenchDetectorServer/bin/moenchDetectorServer_developer b/slsDetectorServers/moenchDetectorServer/bin/moenchDetectorServer_developer
index 1e2331b9e..de438fc0d 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 f6230dd8b..ab966aac9 100755
Binary files a/slsDetectorServers/mythen3DetectorServer/bin/mythen3DetectorServer_developer and b/slsDetectorServers/mythen3DetectorServer/bin/mythen3DetectorServer_developer differ
diff --git a/slsDetectorServers/slsDetectorServer/src/slsDetectorServer_funcs.c b/slsDetectorServers/slsDetectorServer/src/slsDetectorServer_funcs.c
index a72de966d..519080e97 100644
--- a/slsDetectorServers/slsDetectorServer/src/slsDetectorServer_funcs.c
+++ b/slsDetectorServers/slsDetectorServer/src/slsDetectorServer_funcs.c
@@ -2932,7 +2932,7 @@ int enable_ten_giga(int file_des) {
 
     if (receiveData(file_des, &arg, sizeof(arg), INT32) < 0)
         return printSocketReadError();
-    LOG(logINFOBLUE, ("Setting 10GbE: %d\n", arg));
+    LOG(logDEBUG, ("Setting 10GbE: %d\n", arg));
 
 #if defined(JUNGFRAUD) || defined(GOTTHARDD) || defined(GOTTHARD2D)
     functionNotImplemented();
@@ -8266,6 +8266,9 @@ int get_datastream(int file_des) {
                 "Only left and right allowed\n",
                 arg);
         LOG(logERROR, (mess));
+    } else if (enableTenGigabitEthernet(GET_FLAG) == 0) {
+        retval = 1;
+        LOG(logINFO, ("Datastream always enabled for 1g\n"));
     } else {
         ret = getDataStream(arg, &retval);
         LOG(logDEBUG1, ("datastream (%s) retval: %u\n",
@@ -8312,6 +8315,14 @@ int set_datastream(int file_des) {
             ret = FAIL;
             sprintf(mess, "Could not %s. Invalid enable %d. \n", msg, enable);
             LOG(logERROR, (mess));
+        } else if (enableTenGigabitEthernet(GET_FLAG) == 0 && enable == 0) {
+            ret = FAIL;
+            sprintf(mess,
+                    "Could not %s. Disabling is only enabled in 10g mode.\n",
+                    msg);
+            LOG(logERROR, (mess));
+        } else if (enableTenGigabitEthernet(GET_FLAG) == 0 && enable == 1) {
+            LOG(logINFO, ("Datastream always enabled for 1g\n"));
         } else {
             ret = setDataStream(port, enable);
             if (ret == FAIL) {
diff --git a/slsReceiverSoftware/src/Implementation.cpp b/slsReceiverSoftware/src/Implementation.cpp
index 6a7b7d896..0fdcee058 100644
--- a/slsReceiverSoftware/src/Implementation.cpp
+++ b/slsReceiverSoftware/src/Implementation.cpp
@@ -635,25 +635,25 @@ void Implementation::stopReceiver() {
                     std::to_string(std::abs(mp[i])) + std::string(" (Extra)");
             }
 
+            std::string summary;
+            if (!activated) {
+                summary = "\n\tDeactivated Receiver";
+            } else if (!detectorDataStream[i]) {
+                summary = (i == 0 ? "\n\tDeactivated Left Port"
+                                  : "\n\tDeactivated Right Port");
+            } else {
+                std::ostringstream os;
+                os << "\n\tMissing Packets\t\t: " << mpMessage
+                   << "\n\tComplete Frames\t\t: " << nf
+                   << "\n\tLast Frame Caught\t: "
+                   << listener[i]->GetLastFrameIndexCaught();
+                summary = os.str();
+            }
+
             TLogLevel lev = ((mp[i]) > 0) ? logINFORED : logINFOGREEN;
-            LOG(lev) <<
-                // udp port number could be the second if selected interface is
-                // 2 for jungfrau
-                "Summary of Port " << udpPortNum[i]
-                     << "\n\tMissing Packets\t\t: " << mpMessage
-                     << "\n\tComplete Frames\t\t: " << nf
-                     << "\n\tLast Frame Caught\t: "
-                     << listener[i]->GetLastFrameIndexCaught();
-        }
-        if (!activated) {
-            LOG(logINFORED) << "Deactivated Receiver";
-        }
-        if (!detectorDataStream[0]) {
-            LOG(logINFORED) << "Deactivated Left Port";
-        }
-        if (!detectorDataStream[1]) {
-            LOG(logINFORED) << "Deactivated Right Port";
+            LOG(lev) << "Summary of Port " << udpPortNum[i] << summary;
         }
+
         // callback
         if (acquisitionFinishedCallBack) {
             try {
diff --git a/slsSupportLib/include/sls/versionAPI.h b/slsSupportLib/include/sls/versionAPI.h
index cca4d31d3..9b9902df8 100644
--- a/slsSupportLib/include/sls/versionAPI.h
+++ b/slsSupportLib/include/sls/versionAPI.h
@@ -11,5 +11,5 @@
 #define APIGOTTHARD2 0x220203
 #define APIJUNGFRAU 0x220203
 #define APIMYTHEN3 0x220203
-#define APIMOENCH 0x220202
-#define APIEIGER 0x220203
+#define APIMOENCH 0x220203
+#define APIEIGER 0x220204