diff --git a/projects/ad9081_fmca_ebz/a10soc/system_project.tcl b/projects/ad9081_fmca_ebz/a10soc/system_project.tcl
index 96b456adc..76060d2fc 100755
--- a/projects/ad9081_fmca_ebz/a10soc/system_project.tcl
+++ b/projects/ad9081_fmca_ebz/a10soc/system_project.tcl
@@ -109,14 +109,14 @@ set_location_assignment PIN_J36   -to "tx_data[4](n)"       ; ## A35  DP4_C2M_N
 set_location_assignment PIN_J37   -to "tx_data[4]"          ; ## A34  DP4_C2M_P
 set_location_assignment PIN_K38   -to "tx_data[3](n)"       ; ## A31  DP3_C2M_N
 set_location_assignment PIN_K39   -to "tx_data[3]"          ; ## A30  DP3_C2M_P
-set_location_assignment PIN_D13   -to "fpga_syncin[0](n)"   ; ## H08  LA02_N
-set_location_assignment PIN_C13   -to "fpga_syncin[0]"      ; ## H07  LA02_P
-set_location_assignment PIN_D14   -to "fpga_syncin[1](n)"   ; ## G10  LA03_N
-set_location_assignment PIN_C14   -to "fpga_syncin[1]"      ; ## G09  LA03_P
-set_location_assignment PIN_E13   -to "fpga_syncout[0](n)"  ; ## D09  LA01_CC_N
-set_location_assignment PIN_E12   -to "fpga_syncout[0]"     ; ## D08  LA01_CC_P
-set_location_assignment PIN_B10   -to "fpga_syncout[1](n)"  ; ## C11  LA06_N
-set_location_assignment PIN_A10   -to "fpga_syncout[1]"     ; ## C10  LA06_P
+set_location_assignment PIN_D13   -to "fpga_syncin_0(n)"    ; ## H08  LA02_N
+set_location_assignment PIN_C13   -to "fpga_syncin_0"       ; ## H07  LA02_P
+set_location_assignment PIN_D14   -to "fpga_syncin_1_n"     ; ## G10  LA03_N
+set_location_assignment PIN_C14   -to "fpga_syncin_1_p"     ; ## G09  LA03_P
+set_location_assignment PIN_E13   -to "fpga_syncout_0(n)"   ; ## D09  LA01_CC_N
+set_location_assignment PIN_E12   -to "fpga_syncout_0"      ; ## D08  LA01_CC_P
+set_location_assignment PIN_B10   -to "fpga_syncout_1_n"    ; ## C11  LA06_N
+set_location_assignment PIN_A10   -to "fpga_syncout_1_p"    ; ## C10  LA06_P
 set_location_assignment PIN_D4    -to "gpio[0]"             ; ## H19  LA15_P
 set_location_assignment PIN_D5    -to "gpio[1]"             ; ## H20  LA15_N
 set_location_assignment PIN_G5    -to "gpio[2]"             ; ## H22  LA19_P
@@ -168,13 +168,10 @@ for {set i 0} {$i < $common_lanes} {incr i} {
   set_instance_assignment -name XCVR_RECONFIG_GROUP xcvr_${i} -to tx_data[${i}]
 }
 
-set_instance_assignment -name IO_STANDARD LVDS -to fpga_syncin[0]
-set_instance_assignment -name IO_STANDARD LVDS -to fpga_syncin[1]
-set_instance_assignment -name IO_STANDARD LVDS -to fpga_syncout[0]
-set_instance_assignment -name IO_STANDARD LVDS -to fpga_syncout[1]
+set_instance_assignment -name IO_STANDARD LVDS -to fpga_syncin_0
+set_instance_assignment -name IO_STANDARD LVDS -to fpga_syncout_0
 set_instance_assignment -name IO_STANDARD LVDS -to sysref2
-set_instance_assignment -name INPUT_TERMINATION DIFFERENTIAL -to fpga_syncin[0]
-set_instance_assignment -name INPUT_TERMINATION DIFFERENTIAL -to fpga_syncin[1]
+set_instance_assignment -name INPUT_TERMINATION DIFFERENTIAL -to fpga_syncin_0
 set_instance_assignment -name INPUT_TERMINATION DIFFERENTIAL -to sysref2
 
 set_instance_assignment -name IO_STANDARD "1.8 V" -to agc0[0]
diff --git a/projects/ad9081_fmca_ebz/a10soc/system_top.v b/projects/ad9081_fmca_ebz/a10soc/system_top.v
index a2d758d97..5eb153878 100755
--- a/projects/ad9081_fmca_ebz/a10soc/system_top.v
+++ b/projects/ad9081_fmca_ebz/a10soc/system_top.v
@@ -130,8 +130,12 @@ module system_top #(
   input         fpga_refclk_in,
   input  [7:0]  rx_data,
   output [7:0]  tx_data,
-  input  [1:0]  fpga_syncin,
-  output [1:0]  fpga_syncout,
+  input         fpga_syncin_0,
+  inout         fpga_syncin_1_n,
+  inout         fpga_syncin_1_p,
+  output        fpga_syncout_0,
+  inout         fpga_syncout_1_n,
+  inout         fpga_syncout_1_p,
   input         sysref2,
 
   // spi
@@ -211,6 +215,7 @@ module system_top #(
   assign txen[0]          = gpio_o[58];
   assign txen[1]          = gpio_o[59];
 
+
   // board stuff (max-v-u21)
 
   assign gpio_i[31:14] = gpio_o[31:14];
@@ -231,7 +236,11 @@ module system_top #(
   // instantiations
 
   system_bd i_system_bd (
-    .mxfe_gpio_export (gpio),
+    .mxfe_gpio_export ({fpga_syncout_1_n,  // 14
+                        fpga_syncout_1_p,  // 13
+                        fpga_syncin_1_n,   // 12
+                        fpga_syncin_1_p,   // 11
+                        gpio}),            // 10 :0
     .sys_clk_clk (sys_clk),
     .sys_gpio_bd_in_port (gpio_i[31:0]),
     .sys_gpio_bd_out_port (gpio_o[31:0]),
@@ -311,12 +320,12 @@ module system_top #(
     .sys_spi_SS_n (spi_csn_s),
     .tx_serial_data_tx_serial_data (tx_data[7:0]),
     .tx_ref_clk_clk (fpga_refclk_in),
-    .tx_sync_export (fpga_syncin),
+    .tx_sync_export (fpga_syncin_0),
     .tx_sysref_export (sysref2),
     .tx_device_clk_clk (clkin6),
     .rx_serial_data_rx_serial_data (rx_data[7:0]),
     .rx_ref_clk_clk (fpga_refclk_in),
-    .rx_sync_export (fpga_syncout),
+    .rx_sync_export (fpga_syncout_0),
     .rx_sysref_export (sysref2),
     .rx_device_clk_clk (clkin6)