Index: firmware/drivers/tuner/si4700.c
===================================================================
--- firmware/drivers/tuner/si4700.c	(revision 21245)
+++ firmware/drivers/tuner/si4700.c	(working copy)
@@ -297,7 +297,7 @@
 #ifdef USE_INTERNAL_OSCILLATOR
         /* enable the internal oscillator */
         si4700_write_set(TEST1, TEST1_XOSCEN);
-        sleep(HZ/2);
+        sleep(3*HZ/2);
 #endif    
     }