diff --git a/scripts/filesets/gbt_toplevel_fileset.tcl b/scripts/filesets/gbt_toplevel_fileset.tcl
index 7baf0d7ca4e2509264d1c56d2a8d98062ba53bea..f06d5eaf233f5f9e9a2cad76fb363af7d2069c36 100644
--- a/scripts/filesets/gbt_toplevel_fileset.tcl
+++ b/scripts/filesets/gbt_toplevel_fileset.tcl
@@ -39,14 +39,12 @@ set XDC_FILES_HTG710 [concat $XDC_FILES_HTG710 \
 set XDC_FILES_BNL711 [concat $XDC_FILES_BNL711 \
   felix_top_BNL711_v1.5.xdc \
   felix_gbt_minipod_BNL711_transceiver_8ch.xdc \
-  felix_gbt_minipod_BNL711_transceiver_16ch.xdc \
   felix_gbt_minipod_BNL711_transceiver_24ch.xdc \
   timing_constraints.xdc]
   
 set XDC_FILES_BNL712 [concat $XDC_FILES_BNL712 \
   felix_top_BNL711_v2.0.xdc \
   felix_gbt_minipod_BNL711_transceiver_8ch.xdc \
-  felix_gbt_minipod_BNL711_transceiver_16ch.xdc \
   felix_gbt_minipod_BNL711_transceiver_24ch.xdc \
   felix_gbt_minipod_BNL711_v2.0_transceiver_48ch.xdc \
   timing_constraints.xdc]
diff --git a/scripts/filesets/lpgbt_toplevel_fileset.tcl b/scripts/filesets/lpgbt_toplevel_fileset.tcl
index 16f3649dc739c74fa59fd453ac0b7da35ea1b9a5..b45ba6fdbc0c5bcadefddc40e0f91be4df3fe853 100644
--- a/scripts/filesets/lpgbt_toplevel_fileset.tcl
+++ b/scripts/filesets/lpgbt_toplevel_fileset.tcl
@@ -41,7 +41,6 @@ set XDC_FILES_BNL711 [concat $XDC_FILES_BNL711 \
   felix_top_BNL711_v1.5.xdc \
   felix_gbt_minipod_BNL711.xdc \
   felix_gbt_minipod_BNL711_transceiver_8ch.xdc \
-  felix_gbt_minipod_BNL711_transceiver_16ch.xdc \
   felix_gbt_minipod_BNL711_transceiver_24ch.xdc \
   timing_constraints.xdc \
   pblocks_KCU_BNL711_v1.5.xdc \
@@ -51,7 +50,6 @@ set XDC_FILES_BNL712 [concat $XDC_FILES_BNL712 \
   felix_top_BNL711_v2.0_lpgbt.xdc \
   felix_gbt_minipod_BNL711_lpgbt.xdc \
   felix_gbt_minipod_BNL711_transceiver_8ch.xdc \
-  felix_gbt_minipod_BNL711_transceiver_16ch.xdc \
   felix_gbt_minipod_BNL711_transceiver_24ch.xdc \
   felix_gbt_minipod_BNL711_v2.0_transceiver_48ch.xdc \
   timing_constraints.xdc \
diff --git a/scripts/helper/do_implementation_post.tcl b/scripts/helper/do_implementation_post.tcl
index 5ef81003b9fd1c27f7eda7f5bcf65458d829f169..cf8d847acb4566907a95f6fc9e4a8ab238275758 100644
--- a/scripts/helper/do_implementation_post.tcl
+++ b/scripts/helper/do_implementation_post.tcl
@@ -187,59 +187,36 @@ if {($FIRMWARE_MODE == $FIRMWARE_MODE_GBT|| \
      $FIRMWARE_MODE == $FIRMWARE_MODE_STRIP|| \
      $FIRMWARE_MODE == $FIRMWARE_MODE_LPGBT) \
      && ($CARD_TYPE == 712) } {
-    if {$GBT_NUM <= 16 && $FE_EMU_EN == 0} {
-        if {$GBT_NUM > 8} {
-            set_property is_enabled false [get_files  felix_gbt_minipod_BNL711_transceiver_8ch.xdc]
-            set_property is_enabled true [get_files  felix_gbt_minipod_BNL711_transceiver_16ch.xdc]
-            set_property is_enabled false [get_files  felix_gbt_minipod_BNL711_transceiver_24ch.xdc]
-        } else {
-            set_property is_enabled true [get_files  felix_gbt_minipod_BNL711_transceiver_8ch.xdc]
-            set_property is_enabled false [get_files  felix_gbt_minipod_BNL711_transceiver_16ch.xdc]
-            set_property is_enabled false [get_files  felix_gbt_minipod_BNL711_transceiver_24ch.xdc]
-        }
+    if {$GBT_NUM <= 8 && $FE_EMU_EN == 0} {
+        set_property is_enabled true [get_files  felix_gbt_minipod_BNL711_transceiver_8ch.xdc]
+        set_property is_enabled false [get_files  felix_gbt_minipod_BNL711_transceiver_24ch.xdc]
     } else {
         set_property is_enabled true [get_files  felix_gbt_minipod_BNL711_transceiver_24ch.xdc]
-        set_property is_enabled false [get_files  felix_gbt_minipod_BNL711_transceiver_16ch.xdc]
         set_property is_enabled false [get_files  felix_gbt_minipod_BNL711_transceiver_8ch.xdc]
     }
     if {$GBT_NUM > 24  || ($FE_EMU_EN > 0 && $GBT_NUM > 12)} {
         set_property is_enabled true [get_files  felix_gbt_minipod_BNL711_v2.0_transceiver_48ch.xdc]
         set_property is_enabled false [get_files  felix_gbt_minipod_BNL711_transceiver_8ch.xdc]
-        set_property is_enabled false [get_files  felix_gbt_minipod_BNL711_transceiver_16ch.xdc]
         set_property is_enabled false [get_files  felix_gbt_minipod_BNL711_transceiver_24ch.xdc]    
     } else {
         set_property is_enabled false [get_files  felix_gbt_minipod_BNL711_v2.0_transceiver_48ch.xdc]
     }
 }
 
-### if {($FIRMWARE_MODE == $FIRMWARE_MODE_FULL) \
-###      && ($CARD_TYPE == 712) } {
-###      	set_property is_enabled false [get_files felix_gbt_minipod_BNL711_transceiver_8ch.xdc]
-###         set_property is_enabled false [get_files felix_gbt_minipod_BNL711_transceiver_16ch.xdc]
-###         set_property is_enabled false [get_files felix_gbt_minipod_BNL711_transceiver_24ch.xdc]
-###         set_property is_enabled false [get_files felix_gbt_minipod_BNL711_v2.0_transceiver_48ch.xdc]
-###         # ToDo: #  import and enable felix_gbt_minipod_FM_BNL711_v1.5_transceiver_12ch.xdc
-### }
 
 if {($FIRMWARE_MODE == $FIRMWARE_MODE_GBT||\
+     $FIRMWARE_MODE == $FIRMWARE_MODE_FULL|| \
      $FIRMWARE_MODE == $FIRMWARE_MODE_LTDB||\
      $FIRMWARE_MODE == $FIRMWARE_MODE_FEI4|| \
+     $FIRMWARE_MODE == $FIRMWARE_MODE_PIXEL|| \
      $FIRMWARE_MODE == $FIRMWARE_MODE_STRIP||\
      $FIRMWARE_MODE == $FIRMWARE_MODE_LPGBT) &&\
      ($CARD_TYPE == 711) } {
-    if {$GBT_NUM <= 16} {
-        if {$GBT_NUM > 8} {
-            set_property is_enabled false [get_files  felix_gbt_minipod_BNL711_transceiver_8ch.xdc]
-            set_property is_enabled true [get_files  felix_gbt_minipod_BNL711_transceiver_16ch.xdc]
-            set_property is_enabled false [get_files  felix_gbt_minipod_BNL711_transceiver_24ch.xdc]
-        } else {
-            set_property is_enabled true [get_files  felix_gbt_minipod_BNL711_transceiver_8ch.xdc]
-            set_property is_enabled false [get_files  felix_gbt_minipod_BNL711_transceiver_16ch.xdc]
-            set_property is_enabled false [get_files  felix_gbt_minipod_BNL711_transceiver_24ch.xdc]
-        }
+    if {$GBT_NUM <= 8} {
+        set_property is_enabled true [get_files  felix_gbt_minipod_BNL711_transceiver_8ch.xdc]
+        set_property is_enabled false [get_files  felix_gbt_minipod_BNL711_transceiver_24ch.xdc]
     } else {
         set_property is_enabled true [get_files  felix_gbt_minipod_BNL711_transceiver_24ch.xdc]
-        set_property is_enabled false [get_files  felix_gbt_minipod_BNL711_transceiver_16ch.xdc]
         set_property is_enabled false [get_files  felix_gbt_minipod_BNL711_transceiver_8ch.xdc]
     }
 }
diff --git a/sources/FullModeWrapper/FELIX_FM_gbt_wrapper.vhd b/sources/FullModeWrapper/FELIX_FM_gbt_wrapper.vhd
index f90cac0203b07f9fa434b0897fe6b3cddf5baf33..b20f3526d051507127d7e48832db3a17f1786328 100644
--- a/sources/FullModeWrapper/FELIX_FM_gbt_wrapper.vhd
+++ b/sources/FullModeWrapper/FELIX_FM_gbt_wrapper.vhd
@@ -278,7 +278,7 @@ g_709a: if CARD_TYPE = 709 or CARD_TYPE = 710 generate
             );
     end generate;
     g_709or712b: if CARD_TYPE = 709 or CARD_TYPE = 710 or CARD_TYPE = 711 or CARD_TYPE = 712 generate
-      g_GBTNUM24: if GBT_NUM > 12 and GBT_NUM <= 24 generate
+      g_GBTNUM24: if GBT_NUM > 8 and GBT_NUM <= 24 generate
         GTH_RefClk(0) <= CXP1_GTH_RefClk;
         GTH_RefClk(1) <= CXP1_GTH_RefClk;
         GTH_RefClk(2) <= CXP1_GTH_RefClk;
@@ -305,21 +305,7 @@ g_709a: if CARD_TYPE = 709 or CARD_TYPE = 710 generate
         GTH_RefClk(22) <= CXP2_GTH_RefClk;
         GTH_RefClk(23) <= CXP2_GTH_RefClk;
       end generate;
-      g_GBTNUM12: if GBT_NUM > 8 and GBT_NUM <= 12 generate
-        GTH_RefClk(0) <= CXP1_GTH_RefClk;
-        GTH_RefClk(1) <= CXP1_GTH_RefClk;
-        GTH_RefClk(2) <= CXP1_GTH_RefClk;
-        GTH_RefClk(3) <= CXP1_GTH_RefClk;
-        GTH_RefClk(4) <= CXP1_GTH_RefClk;
-        GTH_RefClk(5) <= CXP1_GTH_RefClk;
-        GTH_RefClk(6) <= CXP1_GTH_RefClk;
-        GTH_RefClk(7) <= CXP1_GTH_RefClk;
-        
-        GTH_RefClk(8) <= CXP2_GTH_RefClk;
-        GTH_RefClk(9) <= CXP2_GTH_RefClk;
-        GTH_RefClk(10) <= CXP2_GTH_RefClk;
-        GTH_RefClk(11) <= CXP2_GTH_RefClk;
-      end generate;
+
       g_GBTNUM8: if GBT_NUM <= 8 generate
         GTH_RefClk(0) <= CXP1_GTH_RefClk;
         GTH_RefClk(1) <= CXP1_GTH_RefClk;
diff --git a/sources/GBT/gbt_code/FELIX_gbt_wrapper_KCU.vhd b/sources/GBT/gbt_code/FELIX_gbt_wrapper_KCU.vhd
index 6b9f16b937df9871c5dc139b1af44c85adce1504..88b83ba81c8edd736d6b371849e5ae6d8d06e236 100644
--- a/sources/GBT/gbt_code/FELIX_gbt_wrapper_KCU.vhd
+++ b/sources/GBT/gbt_code/FELIX_gbt_wrapper_KCU.vhd
@@ -473,27 +473,27 @@ begin
         GTH_RefClk( 7)         <= CXP2_GTH_RefClk;--bank 133 (up to  8 channels)
     end generate g_refclk_8ch;
 
-    g_refclk_16ch: if ((8 < GBT_NUM) and (GBT_NUM <= 16)) generate
-        GTH_RefClk( 0)         <= CXP1_GTH_RefClk;--bank 128 (up to  8 channels)
-        GTH_RefClk( 1)         <= CXP1_GTH_RefClk;--bank 128 (up to  8 channels)
-        GTH_RefClk( 2)         <= CXP1_GTH_RefClk;--bank 128 (up to  8 channels)
-        GTH_RefClk( 3)         <= CXP1_GTH_RefClk;--bank 128 (up to  8 channels)
-        GTH_RefClk( 4)         <= CXP1_GTH_RefClk;--bank 127 (up to 16 channels)
-        GTH_RefClk( 5)         <= CXP1_GTH_RefClk;--bank 127 (up to 16 channels)
-        GTH_RefClk( 6)         <= CXP1_GTH_RefClk;--bank 127 (up to 16 channels)
-        GTH_RefClk( 7)         <= CXP1_GTH_RefClk;--bank 127 (up to 16 channels)
-
-        GTH_RefClk( 8)         <= CXP2_GTH_RefClk;--bank 133 (up to  8 channels)
-        GTH_RefClk( 9)         <= CXP2_GTH_RefClk;--bank 133 (up to  8 channels)
-        GTH_RefClk(10)         <= CXP2_GTH_RefClk;--bank 133 (up to  8 channels)
-        GTH_RefClk(11)         <= CXP2_GTH_RefClk;--bank 133 (up to  8 channels)
-        GTH_RefClk(12)         <= CXP2_GTH_RefClk;--bank 132 (up to 16 channels)
-        GTH_RefClk(13)         <= CXP2_GTH_RefClk;--bank 132 (up to 16 channels)
-        GTH_RefClk(14)         <= CXP2_GTH_RefClk;--bank 132 (up to 16 channels)
-        GTH_RefClk(15)         <= CXP2_GTH_RefClk;--bank 132 (up to 16 channels)
-    end generate g_refclk_16ch;
-
-    g_refclk_24ch: if ((16 < GBT_NUM) and (GBT_NUM <= 24)) generate
+    --g_refclk_16ch: if ((8 < GBT_NUM) and (GBT_NUM <= 16)) generate
+    --    GTH_RefClk( 0)         <= CXP1_GTH_RefClk;--bank 128 (up to  8 channels)
+    --    GTH_RefClk( 1)         <= CXP1_GTH_RefClk;--bank 128 (up to  8 channels)
+    --    GTH_RefClk( 2)         <= CXP1_GTH_RefClk;--bank 128 (up to  8 channels)
+    --    GTH_RefClk( 3)         <= CXP1_GTH_RefClk;--bank 128 (up to  8 channels)
+    --    GTH_RefClk( 4)         <= CXP1_GTH_RefClk;--bank 127 (up to 16 channels)
+    --    GTH_RefClk( 5)         <= CXP1_GTH_RefClk;--bank 127 (up to 16 channels)
+    --    GTH_RefClk( 6)         <= CXP1_GTH_RefClk;--bank 127 (up to 16 channels)
+    --    GTH_RefClk( 7)         <= CXP1_GTH_RefClk;--bank 127 (up to 16 channels)
+    --
+    --    GTH_RefClk( 8)         <= CXP2_GTH_RefClk;--bank 133 (up to  8 channels)
+    --    GTH_RefClk( 9)         <= CXP2_GTH_RefClk;--bank 133 (up to  8 channels)
+    --    GTH_RefClk(10)         <= CXP2_GTH_RefClk;--bank 133 (up to  8 channels)
+    --    GTH_RefClk(11)         <= CXP2_GTH_RefClk;--bank 133 (up to  8 channels)
+    --    GTH_RefClk(12)         <= CXP2_GTH_RefClk;--bank 132 (up to 16 channels)
+    --    GTH_RefClk(13)         <= CXP2_GTH_RefClk;--bank 132 (up to 16 channels)
+    --    GTH_RefClk(14)         <= CXP2_GTH_RefClk;--bank 132 (up to 16 channels)
+    --    GTH_RefClk(15)         <= CXP2_GTH_RefClk;--bank 132 (up to 16 channels)
+    --end generate g_refclk_16ch;
+
+    g_refclk_24ch: if ((8 < GBT_NUM) and (GBT_NUM <= 24)) generate
         GTH_RefClk( 0)         <= CXP1_GTH_RefClk;--bank 128 (up to  8 channels)
         GTH_RefClk( 1)         <= CXP1_GTH_RefClk;--bank 128 (up to  8 channels)
         GTH_RefClk( 2)         <= CXP1_GTH_RefClk;--bank 128 (up to  8 channels)
diff --git a/sources/LpGBT/LpGBT_FELIX/RefClk_Gen.vhd b/sources/LpGBT/LpGBT_FELIX/RefClk_Gen.vhd
index d699cd5a704ef6f20b297f6c304b6b5158f6d0e7..29e67ebcd6a4e5823bec715469b738a26cc41909 100644
--- a/sources/LpGBT/LpGBT_FELIX/RefClk_Gen.vhd
+++ b/sources/LpGBT/LpGBT_FELIX/RefClk_Gen.vhd
@@ -384,8 +384,8 @@ g_refclk_48ch_sel2: if ((12 < GBT_NUM) and (GBT_NUM <= 24) and (FE_EMU_EN = 1) a
     GTH_EMU_REFCLK_OUT(GBT_NUM-1 downto 0) <= GTH_RefClk(GBT_NUM+23 downto 24);   
 end generate;    
 
-g_refclk_24ch: if ( ( (12 < GBT_NUM) and (GBT_NUM <= 24) and (FE_EMU_EN = 0) and (CLK_CHIP_SEL = 1) ) 
-or ((6 < GBT_NUM) and (GBT_NUM <= 12) and (FE_EMU_EN = 1) and (CLK_CHIP_SEL = 1))) generate
+g_refclk_24ch: if ( ( (8 < GBT_NUM) and (GBT_NUM <= 24) and (FE_EMU_EN = 0) and (CLK_CHIP_SEL = 1) ) 
+or ((4< GBT_NUM) and (GBT_NUM <= 12) and (FE_EMU_EN = 1) and (CLK_CHIP_SEL = 1))) generate
 
     GTH_RefClk( 0)         <= LMK1_REFCLK;
     GTH_RefClk( 1)         <= LMK1_REFCLK;
@@ -414,28 +414,28 @@ or ((6 < GBT_NUM) and (GBT_NUM <= 12) and (FE_EMU_EN = 1) and (CLK_CHIP_SEL = 1)
     GTH_RefClk(23)         <= LMK2_REFCLK;
 end generate g_refclk_24ch;
 
-g_refclk_24ch_sel2: if ((6 < GBT_NUM) and (GBT_NUM <= 12) and (FE_EMU_EN = 1) and (CLK_CHIP_SEL = 1)) generate
+g_refclk_24ch_sel2: if ((4 < GBT_NUM) and (GBT_NUM <= 12) and (FE_EMU_EN = 1) and (CLK_CHIP_SEL = 1)) generate
     GTH_REFCLK_OUT(GBT_NUM-1 downto 0) <= GTH_RefClk(GBT_NUM-1 downto 0); 
     GTH_EMU_REFCLK_OUT(GBT_NUM-1 downto 0) <= GTH_RefClk(GBT_NUM+11 downto 12);    
 end generate;
 
-g_refclk_12ch: if ( (8 < GBT_NUM) and (GBT_NUM <= 12) and (FE_EMU_EN = 0) and (CLK_CHIP_SEL = 1) ) generate  
-
-    GTH_RefClk( 0)         <= LMK1_REFCLK;
-    GTH_RefClk( 1)         <= LMK1_REFCLK;
-    GTH_RefClk( 2)         <= LMK1_REFCLK;
-    GTH_RefClk( 3)         <= LMK1_REFCLK;
-    GTH_RefClk( 4)         <= LMK1_REFCLK; 
-    GTH_RefClk( 5)         <= LMK1_REFCLK; 
-    GTH_RefClk( 6)         <= LMK1_REFCLK; 
-    GTH_RefClk( 7)         <= LMK1_REFCLK; 
-
-    GTH_RefClk( 8)         <= LMK3_REFCLK; 
-    GTH_RefClk( 9)         <= LMK3_REFCLK; 
-    GTH_RefClk(10)         <= LMK3_REFCLK; 
-    GTH_RefClk(11)         <= LMK3_REFCLK; 
-
-end generate g_refclk_12ch;
+--g_refclk_12ch: if ( (8 < GBT_NUM) and (GBT_NUM <= 12) and (FE_EMU_EN = 0) and (CLK_CHIP_SEL = 1) ) generate  
+--
+--    GTH_RefClk( 0)         <= LMK1_REFCLK;
+--    GTH_RefClk( 1)         <= LMK1_REFCLK;
+--    GTH_RefClk( 2)         <= LMK1_REFCLK;
+--    GTH_RefClk( 3)         <= LMK1_REFCLK;
+--    GTH_RefClk( 4)         <= LMK1_REFCLK; 
+--    GTH_RefClk( 5)         <= LMK1_REFCLK; 
+--    GTH_RefClk( 6)         <= LMK1_REFCLK; 
+--    GTH_RefClk( 7)         <= LMK1_REFCLK; 
+--
+--    GTH_RefClk( 8)         <= LMK3_REFCLK; 
+--    GTH_RefClk( 9)         <= LMK3_REFCLK; 
+--    GTH_RefClk(10)         <= LMK3_REFCLK; 
+--    GTH_RefClk(11)         <= LMK3_REFCLK; 
+--
+--end generate g_refclk_12ch;
 
 g_refclk_8ch: if ( (GBT_NUM <= 8) and (FE_EMU_EN = 0) and (CLK_CHIP_SEL = 1) ) generate  
 
@@ -515,8 +515,8 @@ g_refclk_48ch_SI_sel2: if ((12 < GBT_NUM) and (GBT_NUM <= 24) and (FE_EMU_EN = 1
     GTH_EMU_REFCLK_OUT(GBT_NUM-1 downto 0) <= GTH_RefClk(GBT_NUM+23 downto 24);   
 end generate;    
 
-g_refclk_24ch_SI: if ((12 < GBT_NUM) and (GBT_NUM <= 24) and (FE_EMU_EN = 0) and (CLK_CHIP_SEL = 0)) 
-or ((6 < GBT_NUM) and (GBT_NUM <= 12) and (FE_EMU_EN = 1) and (CLK_CHIP_SEL = 0))generate
+g_refclk_24ch_SI: if ((8 < GBT_NUM) and (GBT_NUM <= 24) and (FE_EMU_EN = 0) and (CLK_CHIP_SEL = 0)) 
+or ((4 < GBT_NUM) and (GBT_NUM <= 12) and (FE_EMU_EN = 1) and (CLK_CHIP_SEL = 0))generate
 
     GTH_RefClk( 0)         <= SI0_REFCLK;
     GTH_RefClk( 1)         <= SI0_REFCLK;
@@ -545,28 +545,28 @@ or ((6 < GBT_NUM) and (GBT_NUM <= 12) and (FE_EMU_EN = 1) and (CLK_CHIP_SEL = 0)
     GTH_RefClk(23)         <= SI2_REFCLK;
 end generate g_refclk_24ch_SI;
 
-g_refclk_24ch_SI_sel2: if ((6 < GBT_NUM) and (GBT_NUM <= 12) and (FE_EMU_EN = 1) and (CLK_CHIP_SEL = 0)) generate
+g_refclk_24ch_SI_sel2: if ((4 < GBT_NUM) and (GBT_NUM <= 12) and (FE_EMU_EN = 1) and (CLK_CHIP_SEL = 0)) generate
     GTH_REFCLK_OUT(GBT_NUM-1 downto 0) <= GTH_RefClk(GBT_NUM-1 downto 0);  
     GTH_EMU_REFCLK_OUT(GBT_NUM-1 downto 0) <= GTH_RefClk(GBT_NUM+11 downto 12);  
 end generate;       
 
 
-g_refclk_12ch_SI: if ( (8 < GBT_NUM) and (GBT_NUM <= 12) and (FE_EMU_EN = 0) and (CLK_CHIP_SEL = 0)) generate
-
-    GTH_RefClk( 0)         <= SI0_REFCLK;
-    GTH_RefClk( 1)         <= SI0_REFCLK;
-    GTH_RefClk( 2)         <= SI0_REFCLK;
-    GTH_RefClk( 3)         <= SI0_REFCLK;
-    GTH_RefClk( 4)         <= SI0_REFCLK;
-    GTH_RefClk( 5)         <= SI0_REFCLK;
-    GTH_RefClk( 6)         <= SI0_REFCLK;
-    GTH_RefClk( 7)         <= SI0_REFCLK;
-    GTH_RefClk( 8)         <= SI2_REFCLK; 
-    GTH_RefClk( 9)         <= SI2_REFCLK; 
-    GTH_RefClk(10)         <= SI2_REFCLK; 
-    GTH_RefClk(11)         <= SI2_REFCLK; 
-
-end generate g_refclk_12ch_SI;
+--g_refclk_12ch_SI: if ( (8 < GBT_NUM) and (GBT_NUM <= 12) and (FE_EMU_EN = 0) and (CLK_CHIP_SEL = 0)) generate
+--
+--    GTH_RefClk( 0)         <= SI0_REFCLK;
+--    GTH_RefClk( 1)         <= SI0_REFCLK;
+--    GTH_RefClk( 2)         <= SI0_REFCLK;
+--    GTH_RefClk( 3)         <= SI0_REFCLK;
+--    GTH_RefClk( 4)         <= SI0_REFCLK;
+--    GTH_RefClk( 5)         <= SI0_REFCLK;
+--    GTH_RefClk( 6)         <= SI0_REFCLK;
+--    GTH_RefClk( 7)         <= SI0_REFCLK;
+--    GTH_RefClk( 8)         <= SI2_REFCLK; 
+--    GTH_RefClk( 9)         <= SI2_REFCLK; 
+--    GTH_RefClk(10)         <= SI2_REFCLK; 
+--    GTH_RefClk(11)         <= SI2_REFCLK; 
+--
+--end generate g_refclk_12ch_SI;
 
 g_refclk_8ch_SI: if ( (GBT_NUM <= 8) and (FE_EMU_EN = 0) and (CLK_CHIP_SEL = 0)) generate