--- a/hw.S	Wed May 05 15:50:14 2010 +0300
+++ b/hw.S	Wed May 05 15:50:34 2010 +0300
@@ -7,8 +7,12 @@
 
 ; Program code
 main:
-        ; Setup Pin 13 for output
+        ; Setup pins for output
+        sbi         DDRB,   PORTB4      ; Out
         sbi         DDRB,   PORTB5      ; Out
+
+        ; Activate
+        sbi         PORTB,  PORTB4      ; On
         sbi         PORTB,  PORTB5      ; On
 
 loop: