diff --git a/slsDetectorServers/mythen3DetectorServer/bin/mythen3DetectorServer_developer b/slsDetectorServers/mythen3DetectorServer/bin/mythen3DetectorServer_developer
index 65f996a94..59b3440a7 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 632cc66b1..11d81a494 100644
--- a/slsDetectorServers/mythen3DetectorServer/slsDetectorServer_defs.h
+++ b/slsDetectorServers/mythen3DetectorServer/slsDetectorServer_defs.h
@@ -37,9 +37,9 @@
 #define DEFAULT_TIMING_MODE              (AUTO_TIMING)
 #define DEFAULT_READOUT_C0               (10) //(125000000) // rdo_clk, 125 MHz
 #define DEFAULT_READOUT_C1               (10) //(125000000) // rdo_x2_clk, 125 MHz
-#define DEFAULT_SYSTEM_C0                (5)  //(250000000) // run_clk, 250 MHz
-#define DEFAULT_SYSTEM_C1                (10) //(125000000) // chip_clk, 125 MHz
-#define DEFAULT_SYSTEM_C2                (10) //(125000000) // sync_clk, 125 MHz
+#define DEFAULT_SYSTEM_C0                (4)  //(250000000) // run_clk, 250 MHz
+#define DEFAULT_SYSTEM_C1                (8) //(125000000) // chip_clk, 125 MHz
+#define DEFAULT_SYSTEM_C2                (8) //(125000000) // sync_clk, 125 MHz
 #define DEFAULT_ASIC_LATCHING_NUM_PULSES (10)
 #define DEFAULT_MSTR_OTPT_P1_NUM_PULSES  (20)
 
@@ -47,7 +47,7 @@
 #define IP_HEADER_SIZE          (20)
 #define FIXED_PLL_FREQUENCY     (020000000)  // 20MHz
 #define READOUT_PLL_VCO_FREQ_HZ (1250000000) // 1.25GHz
-#define SYSTEM_PLL_VCO_FREQ_HZ  (1250000000) // 1.25GHz
+#define SYSTEM_PLL_VCO_FREQ_HZ  (1000000000) // 1GHz
 #define MAX_PATTERN_LENGTH      (0x2000)     // maximum number of words (64bit)
 
 /** Other Definitions */
diff --git a/slsSupportLib/include/versionAPI.h b/slsSupportLib/include/versionAPI.h
index 47dac799a..70c424440 100644
--- a/slsSupportLib/include/versionAPI.h
+++ b/slsSupportLib/include/versionAPI.h
@@ -6,7 +6,7 @@
 #define APICTB 0x200610
 #define APIGOTTHARD 0x200610
 #define APIJUNGFRAU 0x200610
-#define APIMYTHEN3 0x200610
 #define APIMOENCH 0x200610
 #define APIGOTTHARD2 0x200610
 #define APIEIGER 0x200615
+#define APIMYTHEN3 0x200616