diff --git a/projects/fmcomms7/zc706/system_constr.xdc b/projects/fmcomms7/zc706/system_constr.xdc
index b8d5ad764..e6e9ebea2 100644
--- a/projects/fmcomms7/zc706/system_constr.xdc
+++ b/projects/fmcomms7/zc706/system_constr.xdc
@@ -17,22 +17,22 @@ set_property  -dict {PACKAGE_PIN  AJ19  IOSTANDARD LVDS_25 DIFF_TERM TRUE} [get_
 
 set_property  -dict {PACKAGE_PIN  AD10} [get_ports tx_ref_clk_p]                                      ; ## D04  FMC_HPC_GBTCLK0_M2C_P   
 set_property  -dict {PACKAGE_PIN  AD9 } [get_ports tx_ref_clk_n]                                      ; ## D05  FMC_HPC_GBTCLK0_M2C_N   
-set_property  -dict {PACKAGE_PIN  AK2 } [get_ports tx_data_p[0]]                                      ; ## A30  FMC_HPC_DP3_C2M_P      (tx_data_p[0])
-set_property  -dict {PACKAGE_PIN  AK1 } [get_ports tx_data_n[0]]                                      ; ## A31  FMC_HPC_DP3_C2M_N      (tx_data_n[0])
+set_property  -dict {PACKAGE_PIN  AK2 } [get_ports tx_data_p[0]]                                      ; ## A30  FMC_HPC_DP3_C2M_P      (tx_data_p[5])
+set_property  -dict {PACKAGE_PIN  AK1 } [get_ports tx_data_n[0]]                                      ; ## A31  FMC_HPC_DP3_C2M_N      (tx_data_n[5])
 set_property  -dict {PACKAGE_PIN  AK10} [get_ports tx_data_p[1]]                                      ; ## C02  FMC_HPC_DP0_C2M_P      (tx_data_p[3])
 set_property  -dict {PACKAGE_PIN  AK9 } [get_ports tx_data_n[1]]                                      ; ## C03  FMC_HPC_DP0_C2M_N      (tx_data_n[3])
-set_property  -dict {PACKAGE_PIN  AJ4 } [get_ports tx_data_p[2]]                                      ; ## A26  FMC_HPC_DP2_C2M_P      (tx_data_p[1])
-set_property  -dict {PACKAGE_PIN  AJ3 } [get_ports tx_data_n[2]]                                      ; ## A27  FMC_HPC_DP2_C2M_N      (tx_data_n[1])
-set_property  -dict {PACKAGE_PIN  AK6 } [get_ports tx_data_p[3]]                                      ; ## A22  FMC_HPC_DP1_C2M_P      (tx_data_p[2])
-set_property  -dict {PACKAGE_PIN  AK5 } [get_ports tx_data_n[3]]                                      ; ## A23  FMC_HPC_DP1_C2M_N      (tx_data_n[2])
-set_property  -dict {PACKAGE_PIN  AH2 } [get_ports tx_data_p[4]]                                      ; ## A34  FMC_HPC_DP4_C2M_P      (tx_data_p[4])
-set_property  -dict {PACKAGE_PIN  AH1 } [get_ports tx_data_n[4]]                                      ; ## A35  FMC_HPC_DP4_C2M_N      (tx_data_n[4])
-set_property  -dict {PACKAGE_PIN  AF2 } [get_ports tx_data_p[5]]                                      ; ## A38  FMC_HPC_DP5_C2M_P      (tx_data_p[5])
-set_property  -dict {PACKAGE_PIN  AF1 } [get_ports tx_data_n[5]]                                      ; ## A39  FMC_HPC_DP5_C2M_N      (tx_data_n[5])
-set_property  -dict {PACKAGE_PIN  AE4 } [get_ports tx_data_p[6]]                                      ; ## B36  FMC_HPC_DP6_C2M_P      (tx_data_p[6])
-set_property  -dict {PACKAGE_PIN  AE3 } [get_ports tx_data_n[6]]                                      ; ## B37  FMC_HPC_DP6_C2M_N      (tx_data_n[6])
-set_property  -dict {PACKAGE_PIN  AD2 } [get_ports tx_data_p[7]]                                      ; ## B32  FMC_HPC_DP7_C2M_P      (tx_data_p[7])
-set_property  -dict {PACKAGE_PIN  AD1 } [get_ports tx_data_n[7]]                                      ; ## B33  FMC_HPC_DP7_C2M_N      (tx_data_n[7])
+set_property  -dict {PACKAGE_PIN  AJ4 } [get_ports tx_data_p[2]]                                      ; ## A26  FMC_HPC_DP2_C2M_P      (tx_data_p[6])
+set_property  -dict {PACKAGE_PIN  AJ3 } [get_ports tx_data_n[2]]                                      ; ## A27  FMC_HPC_DP2_C2M_N      (tx_data_n[6])
+set_property  -dict {PACKAGE_PIN  AK6 } [get_ports tx_data_p[3]]                                      ; ## A22  FMC_HPC_DP1_C2M_P      (tx_data_p[7])
+set_property  -dict {PACKAGE_PIN  AK5 } [get_ports tx_data_n[3]]                                      ; ## A23  FMC_HPC_DP1_C2M_N      (tx_data_n[7])
+set_property  -dict {PACKAGE_PIN  AH2 } [get_ports tx_data_p[4]]                                      ; ## A34  FMC_HPC_DP4_C2M_P      (tx_data_p[2])
+set_property  -dict {PACKAGE_PIN  AH1 } [get_ports tx_data_n[4]]                                      ; ## A35  FMC_HPC_DP4_C2M_N      (tx_data_n[2])
+set_property  -dict {PACKAGE_PIN  AF2 } [get_ports tx_data_p[5]]                                      ; ## A38  FMC_HPC_DP5_C2M_P      (tx_data_p[0])
+set_property  -dict {PACKAGE_PIN  AF1 } [get_ports tx_data_n[5]]                                      ; ## A39  FMC_HPC_DP5_C2M_N      (tx_data_n[0])
+set_property  -dict {PACKAGE_PIN  AE4 } [get_ports tx_data_p[6]]                                      ; ## B36  FMC_HPC_DP6_C2M_P      (tx_data_p[1])
+set_property  -dict {PACKAGE_PIN  AE3 } [get_ports tx_data_n[6]]                                      ; ## B37  FMC_HPC_DP6_C2M_N      (tx_data_n[1])
+set_property  -dict {PACKAGE_PIN  AD2 } [get_ports tx_data_p[7]]                                      ; ## B32  FMC_HPC_DP7_C2M_P      (tx_data_p[4])
+set_property  -dict {PACKAGE_PIN  AD1 } [get_ports tx_data_n[7]]                                      ; ## B33  FMC_HPC_DP7_C2M_N      (tx_data_n[4])
 set_property  -dict {PACKAGE_PIN  AK17  IOSTANDARD LVDS_25 DIFF_TERM TRUE} [get_ports tx_sync0_p]     ; ## H07  FMC_HPC_LA02_P
 set_property  -dict {PACKAGE_PIN  AK18  IOSTANDARD LVDS_25 DIFF_TERM TRUE} [get_ports tx_sync0_n]     ; ## H08  FMC_HPC_LA02_N
 set_property  -dict {PACKAGE_PIN  Y22   IOSTANDARD LVDS_25 DIFF_TERM TRUE} [get_ports tx_sync1_p]     ; ## H19  FMC_HPC_LA15_P