--- term/ieee1275/ofconsole-bk.c	2008-11-18 17:00:46.000000000 +0100
+++ term/ieee1275/ofconsole.c	2008-11-18 16:59:50.000000000 +0100
@@ -146,7 +146,10 @@ static int
 grub_ofconsole_readkey (int *key)
 {
   char c;
+  char ctmp;	  
   grub_ssize_t actual = 0;
+  grub_ssize_t actualtmp = 0;
+  char implemented = 1;//indicates an unimplemented key
 
   grub_ieee1275_read (stdin_ihandle, &c, 1, &actual);
 
@@ -165,8 +168,11 @@ grub_ofconsole_readkey (int *key)
 	}
         
 	if (c != 91 )
-          return 0;
- 
+	{
+          implemented = 0;
+          break;
+	}
+      
         grub_ieee1275_read (stdin_ihandle, &c, 1, &actual);
 
         if (actual <= 0)
@@ -202,12 +208,25 @@ grub_ofconsole_readkey (int *key)
 	    /* Left: Ctrl-b.  */
 	    c = 2;
 	    break;
+	  default:
+            implemented = 0;
+            break;
 	}
 	break;
     }
+
+  /*stores actual state*/ 
+  ctmp = c;
+  actualtmp = actual;
+  /*clean buffer*/
+  while(actual > 0 && !grub_ieee1275_read(stdin_ihandle, &c, 1, &actual));
+  /*return to previos state*/
+  c = ctmp;
+  actual = actualtmp;
   
   *key = c;
-  return actual > 0;
+  return (actual > 0 && implemented);
+  
 }
 
 static int