diff --git a/src/ganimede/control_socbridge_tb.vhd b/src/ganimede/control_socbridge_tb.vhd
index 3eed3a4..0542545 100644
--- a/src/ganimede/control_socbridge_tb.vhd
+++ b/src/ganimede/control_socbridge_tb.vhd
@@ -82,7 +82,10 @@ begin
   
   stimulus_proc: process
   begin
-    
+    ext_control_input.address <= x"FB0FB0FB";
+    ext_control_input.cmd <= "01";
+    ext_control_input.driver_id <= "1";
+    ext_control_input.seq_mem_access_count <= 5;
   end process stimulus_proc;
 
   monitor_proc: process