diff --git a/slsDetectorServers/gotthard2DetectorServer/bin/gotthard2DetectorServer_developer b/slsDetectorServers/gotthard2DetectorServer/bin/gotthard2DetectorServer_developer
index 8068bc35f..782979196 100755
Binary files a/slsDetectorServers/gotthard2DetectorServer/bin/gotthard2DetectorServer_developer and b/slsDetectorServers/gotthard2DetectorServer/bin/gotthard2DetectorServer_developer differ
diff --git a/slsDetectorServers/gotthard2DetectorServer/slsDetectorServer_defs.h b/slsDetectorServers/gotthard2DetectorServer/slsDetectorServer_defs.h
index c39ad53de..e3d837d0c 100644
--- a/slsDetectorServers/gotthard2DetectorServer/slsDetectorServer_defs.h
+++ b/slsDetectorServers/gotthard2DetectorServer/slsDetectorServer_defs.h
@@ -49,8 +49,8 @@
 /* Firmware Definitions */
 #define IP_HEADER_SIZE              (20)
 #define FIXED_PLL_FREQUENCY			(020000000) // 20MHz
-#define READOUT_PLL_VCO_FREQ_HZ     (866666688) // Hz 
-#define SYSTEM_PLL_VCO_FREQ_HZ      (722222240) // Hz
+#define READOUT_PLL_VCO_FREQ_HZ     (866666688) // 866 MHz 
+#define SYSTEM_PLL_VCO_FREQ_HZ      (722222224) // 722 MHz
 
 /** Other Definitions */
 #define BIT16_MASK					(0xFFFF)
diff --git a/slsDetectorServers/mythen3DetectorServer/bin/mythen3DetectorServer_developer b/slsDetectorServers/mythen3DetectorServer/bin/mythen3DetectorServer_developer
index 94af96265..72db56500 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 243e23110..0486b21af 100644
--- a/slsDetectorServers/mythen3DetectorServer/slsDetectorServer_defs.h
+++ b/slsDetectorServers/mythen3DetectorServer/slsDetectorServer_defs.h
@@ -33,7 +33,7 @@
 #define DEFAULT_HIGH_VOLTAGE        (0)
 #define DEFAULT_TIMING_MODE			(AUTO_TIMING)
 #define DEFAULT_READOUT_C0          (125000000) // rdo_clk, 125 MHz  
-#define DEFAULT_READOUT_C1          (250000000) // rdo_x2_clk, 250 MHz  
+#define DEFAULT_READOUT_C1          (125000000) // rdo_x2_clk, 125 MHz  
 #define DEFAULT_SYSTEM_C0			(250000000) // run_clk, 250 MHz 
 #define DEFAULT_SYSTEM_C1			(125000000) // chip_clk, 125 MHz 
 #define DEFAULT_SYSTEM_C2			(125000000) // sync_clk, 125 MHz 
diff --git a/slsSupportLib/include/versionAPI.h b/slsSupportLib/include/versionAPI.h
index 4f8677e70..8ce939d8d 100644
--- a/slsSupportLib/include/versionAPI.h
+++ b/slsSupportLib/include/versionAPI.h
@@ -8,5 +8,5 @@
 #define APICTB 0x200131
 #define APIJUNGFRAU 0x200131
 #define APIMOENCH 0x200131
-#define APIMYTHEN3 0x200131
-#define APIGOTTHARD2 0x200204
+#define APIMYTHEN3 0x200224
+#define APIGOTTHARD2 0x200224