diff --git a/minitests/roi_harness/arty.sh b/minitests/roi_harness/arty.sh
index 7d5a3758..ef26df91 100644
--- a/minitests/roi_harness/arty.sh
+++ b/minitests/roi_harness/arty.sh
@@ -1,6 +1,8 @@
 # XC7A35TICSG324-1L
 export XRAY_PART=xc7a35tcsg324-1
 export XRAY_PINCFG=ARTY-A7-SWBUT
+export XRAY_DIN_N_LARGE=8
+export XRAY_DOUT_N_LARGE=8
 
 # For generating DB
 export XRAY_PIN_00="G13"
@@ -11,4 +13,23 @@ export XRAY_PIN_04="D13"
 export XRAY_PIN_05="J17"
 export XRAY_PIN_06="U14"
 
+# HCLK Tile
+export XRAY_ROI_HCLK="CLK_HROW_TOP_R_X60Y130/CLK_HROW_CK_BUFHCLK_L0"
+
+# PITCH
+export XRAY_PITCH=2
+
+# INT_L/R for DOUT and DIN
+export XRAY_ROI_DIN_INT_L_X="0"
+export XRAY_ROI_DIN_INT_R_X="25"
+export XRAY_ROI_DOUT_INT_L_X="2"
+export XRAY_ROI_DOUT_INT_R_X="23"
+
+# PIPS for DOUT and DIN
+export XRAY_ROI_DIN_LPIP="EE2BEG2"
+export XRAY_ROI_DIN_RPIP="WW2BEG1"
+export XRAY_ROI_DOUT_LPIP="SW6BEG0"
+export XRAY_ROI_DOUT_RPIP="LH12"
+
+
 source $XRAY_DIR/utils/environment.sh
diff --git a/minitests/roi_harness/basys3.sh b/minitests/roi_harness/basys3.sh
index d2fd303b..2efb33f9 100644
--- a/minitests/roi_harness/basys3.sh
+++ b/minitests/roi_harness/basys3.sh
@@ -1,6 +1,8 @@
 # XC7A35T-1CPG236C
 export XRAY_PART=xc7a35tcpg236-1
 export XRAY_PINCFG=BASYS3-SWBUT
+export XRAY_DIN_N_LARGE=17
+export XRAY_DOUT_N_LARGE=17
 
 # For generating DB
 export XRAY_PIN_00="V17"
@@ -11,4 +13,25 @@ export XRAY_PIN_04="W15"
 export XRAY_PIN_05="V15"
 export XRAY_PIN_06="W14"
 
+# ROI is in the top left
+export XRAY_ROI_LARGE=SLICE_X0Y100:SLICE_X35Y149
+
+# HCLK Tile
+export XRAY_ROI_HCLK="CLK_HROW_TOP_R_X60Y130/CLK_HROW_CK_BUFHCLK_L0"
+
+# PITCH
+export XRAY_PITCH=2
+
+# INT_L/R for DOUT and DIN
+export XRAY_ROI_DIN_INT_L_X="0"
+export XRAY_ROI_DIN_INT_R_X="25"
+export XRAY_ROI_DOUT_INT_L_X="2"
+export XRAY_ROI_DOUT_INT_R_X="23"
+
+# PIPS for DOUT and DIN
+export XRAY_ROI_DIN_LPIP="EE2BEG2"
+export XRAY_ROI_DIN_RPIP="WW2BEG1"
+export XRAY_ROI_DOUT_LPIP="SW6BEG0"
+export XRAY_ROI_DOUT_RPIP="LH12"
+
 source $XRAY_DIR/utils/environment.sh
diff --git a/minitests/roi_harness/runme.sh b/minitests/roi_harness/runme.sh
index c602c160..3435f15f 100755
--- a/minitests/roi_harness/runme.sh
+++ b/minitests/roi_harness/runme.sh
@@ -26,19 +26,23 @@ stat ${XRAY_DIR}/database/${XRAY_DATABASE}/${XRAY_PART}.yaml >/dev/null
 # 6x by 18y CLBs (108)
 if [ "$SMALL" = Y ] ; then
     echo "Design: small"
-    export PITCH=1
+    export PITCH=${XRAY_PITCH:-1}
     export DIN_N=${XRAY_DIN_N_SMALL:-8}
     export DOUT_N=${XRAY_DOUT_N_SMALL:-8}
     export XRAY_ROI=${XRAY_ROI_SMALL:-SLICE_X12Y100:SLICE_X17Y117}
 # All of CMT X0Y2
 else
     echo "Design: large"
-    export PITCH=2
+    export PITCH=${XRAY_PITCH:-2}
     export DIN_N=${XRAY_DIN_N_LARGE:-8}
     export DOUT_N=${XRAY_DOUT_N_LARGE:-8}
     export XRAY_ROI=${XRAY_ROI_LARGE:-SLICE_X0Y100:SLICE_X35Y149}
 fi
 
+echo ${DIN_N}
+echo ${DOUT_N}
+echo ${XRAY_ROI}
+
 mkdir -p $BUILD_DIR
 pushd $BUILD_DIR
 
diff --git a/minitests/roi_harness/runme.tcl b/minitests/roi_harness/runme.tcl
index a969de5b..a385facb 100644
--- a/minitests/roi_harness/runme.tcl
+++ b/minitests/roi_harness/runme.tcl
@@ -18,6 +18,46 @@ if { [info exists ::env(PITCH) ] } {
     set PITCH "$::env(PITCH)"
 }
 
+if { [info exists ::env(XRAY_ROI_HCLK)] } {
+    set XRAY_ROI_HCLK "$::env(XRAY_ROI_HCLK)"
+} else {
+    puts "WARNING: No HCLK has been set"
+}
+
+# Setting all the PIPs for DIN and DOUT
+if { [info exists ::env(XRAY_ROI_DIN_LPIP)] } {
+    set DIN_LPIP "$::env(XRAY_ROI_DIN_LPIP)"
+} else { puts "Warning: No left pip for DIN has been set"  }
+
+if { [info exists ::env(XRAY_ROI_DIN_RPIP)] } {
+    set DIN_RPIP "$::env(XRAY_ROI_DIN_RPIP)"
+} else { puts "Warning: No right pip for DIN has been set"  }
+
+if { [info exists ::env(XRAY_ROI_DOUT_LPIP)] } {
+    set DOUT_LPIP "$::env(XRAY_ROI_DOUT_LPIP)"
+} else { puts "Warning: No left pip for DOUT has been set"  }
+
+if { [info exists ::env(XRAY_ROI_DOUT_RPIP)] } {
+    set DOUT_RPIP "$::env(XRAY_ROI_DOUT_RPIP)"
+} else { puts "Warning: No right pip for DOUT has been set"  }
+
+# Setting all INT_L/R tiles for DIN and DOUT X values
+if { [info exists ::env(XRAY_ROI_DIN_INT_L_X)] } {
+    set DIN_INT_L_X "$::env(XRAY_ROI_DIN_INT_L_X)"
+} else { puts "Warning: No INT_L for DIN has been set"  }
+
+if { [info exists ::env(XRAY_ROI_DIN_INT_R_X)] } {
+    set DIN_INT_R_X "$::env(XRAY_ROI_DIN_INT_R_X)"
+} else { puts "Warning: No INT_R for DIN has been set"  }
+
+if { [info exists ::env(XRAY_ROI_DOUT_INT_L_X)] } {
+    set DOUT_INT_L_X "$::env(XRAY_ROI_DOUT_INT_L_X)"
+} else { puts "Warning: No INT_L for DOUT has been set"  }
+
+if { [info exists ::env(XRAY_ROI_DOUT_INT_R_X)] } {
+    set DOUT_INT_R_X "$::env(XRAY_ROI_DOUT_INT_R_X)"
+} else { puts "Warning: No INT_R for DOUT has been set"  }
+
 # X12 in the ROI, X10 just to the left
 # Start at bottom left of ROI and work up
 # (IOs are to left)
@@ -40,6 +80,9 @@ set Y_DIN_BASE [expr "$Y_CLK_BASE + $PITCH"]
 # Note: can actually go up one more if we want
 set Y_DOUT_BASE [expr "$XRAY_ROI_Y1 - $DIN_N * $PITCH"]
 
+# Y_OFFSET: offset amount to shift the components on the y column to avoid hard blocks
+set Y_OFFSET 24
+
 set part "$::env(XRAY_PART)"
 set pincfg ""
 if { [info exists ::env(XRAY_PINCFG) ] } {
@@ -129,6 +172,7 @@ if {$part eq "xc7a50tfgg484-1"} {
             set pin [lindex $leds $i]
             set net2pin(dout[$i]) $pin
         }
+
         # Arty A7 pmod
         # Disabled per above
     } elseif {$pincfg eq "ARTY-A7-PMOD"} {
@@ -210,6 +254,9 @@ if {$part eq "xc7a50tfgg484-1"} {
             set net2pin(dout[$i]) $pin
         }
 
+        # setting Y_OFFSET to zero only for zynq parts
+        set Y_OFFSET 0
+
     } else {
         error "Unsupported config $pincfg"
     }
@@ -315,7 +362,7 @@ if {$fixed_xdc eq ""} {
     puts "Placing ROI inputs"
     set y_left $Y_DIN_BASE
     # Shift y_right up to avoid PCIe block that makes routing hard.
-    set y_right [expr {$Y_DIN_BASE + 24}]
+    set y_right [expr {$Y_DIN_BASE + $Y_OFFSET}]
     for {set i 0} {$i < $DIN_N} {incr i} {
         if {[net_bank_left "din[$i]"]} {
             loc_lut_in $i $XRAY_ROI_X0 $y_left
@@ -423,7 +470,7 @@ if {$fixed_xdc eq ""} {
     # It will go to high level interconnect that goes everywhere
     # But we still need to record something, so lets force a route
     # FIXME: very ROI specific
-    set node "CLK_HROW_TOP_R_X60Y130/CLK_HROW_CK_BUFHCLK_L0"
+    set node "$XRAY_ROI_HCLK"
     set wire [node2wire $node]
     route_via2 "clk_IBUF_BUFG" "$node"
     set net "clk"
@@ -433,15 +480,15 @@ if {$fixed_xdc eq ""} {
     puts "Routing ROI inputs"
     # Arbitrary offset as observed
     set y_left $Y_DIN_BASE
-    set y_right [expr {$Y_DIN_BASE + 24}]
+    set y_right [expr {$Y_DIN_BASE + $Y_OFFSET}]
     for {set i 0} {$i < $DIN_N} {incr i} {
         # needed to force routes away to avoid looping into ROI
         if {[net_bank_left "din[$i]"]} {
-            set node "INT_L_X0Y${y_left}/EE2BEG2"
+            set node "INT_L_X${DIN_INT_L_X}Y${y_left}/${DIN_LPIP}"
             route_via2 "din_IBUF[$i]" "$node"
             set y_left [expr {$y_left + $PITCH}]
         } else {
-            set node "INT_R_X25Y${y_right}/WW2BEG1"
+            set node "INT_R_X${DIN_INT_R_X}Y${y_right}/${DIN_RPIP}"
             route_via2 "din_IBUF[$i]" "$node"
             set y_right [expr {$y_right + $PITCH}]
         }
@@ -460,25 +507,12 @@ if {$fixed_xdc eq ""} {
     set y_right [expr {$Y_DOUT_BASE + 0}]
     for {set i 0} {$i < $DOUT_N} {incr i} {
         if {[net_bank_left "dout[$i]"]} {
-            # XXX: find a better solution if we need harness long term
-            # works on 50t but not 35t
-            if {$part eq "xc7a50tfgg484-1"} {
-                set node "INT_L_X1Y${y_left}/WW2BEG0"
-                route_via2 "roi/dout[$i]" "$node"
-                # works on 35t but not 50t
-            } elseif {$part eq "xc7a35tcsg324-1"} {
-                set node "INT_L_X2Y${y_left}/SW6BEG0"
-                route_via2 "roi/dout[$i]" "$node"
-            } elseif {$part eq "xc7a35tcpg236-1"} {
-                set node "INT_L_X2Y${y_left}/SW6BEG0"
-                route_via2 "roi/dout[$i]" "$node"
-            } else {
-                error "Routing: unsupported part $part"
-            }
+            set node "INT_L_X${DOUT_INT_L_X}Y${y_left}/${DOUT_LPIP}"
+            route_via2 "roi/dout[$i]" "$node"
             set y_left [expr {$y_left + $PITCH}]
             # XXX: only care about right ports on Arty
         } else {
-            set node "INT_R_X23Y${y_right}/LH12"
+            set node "INT_R_X${DOUT_INT_R_X}Y${y_right}/${DOUT_RPIP}"
             route_via2 "roi/dout[$i]" "$node"
             set y_right [expr {$y_right + $PITCH}]
         }
diff --git a/minitests/roi_harness/zybo.sh b/minitests/roi_harness/zybo.sh
index 0e367950..9b3772f3 100644
--- a/minitests/roi_harness/zybo.sh
+++ b/minitests/roi_harness/zybo.sh
@@ -16,4 +16,22 @@ export XRAY_PIN_06="K19"
 # ROI is in top right
 export XRAY_ROI_LARGE="SLICE_X22Y50:SLICE_X43Y99"
 
+# HCLK Tile
+export XRAY_ROI_HCLK="CLK_HROW_TOP_R_X82Y78/CLK_HROW_CK_BUFHCLK_R0"
+
+# PITCH
+export XRAY_PITCH=3
+
+# INT_L/R for DOUT and DIN
+export XRAY_ROI_DIN_INT_L_X=
+export XRAY_ROI_DIN_INT_R_X="31"
+export XRAY_ROI_DOUT_INT_L_X=
+export XRAY_ROI_DOUT_INT_R_X="29"
+
+# PIPS for DOUT and DIN
+export XRAY_ROI_DIN_LPIP=
+export XRAY_ROI_DIN_RPIP="WW2BEG1"
+export XRAY_ROI_DOUT_LPIP=
+export XRAY_ROI_DOUT_RPIP="EE2BEG0"
+
 source $XRAY_DIR/utils/environment.sh