diff --git a/scripts/quartus/synth_speed.qsf b/scripts/quartus/synth_speed.qsf
new file mode 100644
index 0000000..64490d4
--- /dev/null
+++ b/scripts/quartus/synth_speed.qsf
@@ -0,0 +1,5 @@
+set_global_assignment -name DEVICE ep4ce40f29c7
+set_global_assignment -name PROJECT_OUTPUT_DIRECTORY output_files
+set_global_assignment -name TOP_LEVEL_ENTITY picorv32_axi
+set_global_assignment -name VERILOG_FILE ../../../picorv32.v
+set_global_assignment -name SDC_FILE ../synth_speed.sdc
diff --git a/scripts/quartus/synth_speed.sdc b/scripts/quartus/synth_speed.sdc
new file mode 100644
index 0000000..fef5704
--- /dev/null
+++ b/scripts/quartus/synth_speed.sdc
@@ -0,0 +1 @@
+create_clock -period 2.5 [get_ports clk]
diff --git a/scripts/quartus/synth_speed.tcl b/scripts/quartus/synth_speed.tcl
deleted file mode 100644
index f3874e4..0000000
--- a/scripts/quartus/synth_speed.tcl
+++ /dev/null
@@ -1,13 +0,0 @@
-
-read_verilog ../../picorv32.v
-read_xdc synth_speed.xdc
-
-synth_design -part xc7k70t-fbg676 -top picorv32_axi
-opt_design
-place_design
-phys_opt_design
-route_design
-
-report_utilization
-report_timing
-