diff --git a/src/0000Boot/0000Kernel.BIN.C b/src/0000Boot/0000Kernel.BIN.C
index 82c05d4f..a70c8359 100755
Binary files a/src/0000Boot/0000Kernel.BIN.C and b/src/0000Boot/0000Kernel.BIN.C differ
diff --git a/src/Compiler/Compiler.BIN b/src/Compiler/Compiler.BIN
index 0b4228f6..7712b45b 100755
Binary files a/src/Compiler/Compiler.BIN and b/src/Compiler/Compiler.BIN differ
diff --git a/src/Kernel.BIN.C b/src/Kernel.BIN.C
index 75065321..44acb98f 100755
Binary files a/src/Kernel.BIN.C and b/src/Kernel.BIN.C differ
diff --git a/src/Kernel/KMisc.HC b/src/Kernel/KMisc.HC
index c5b620ec..b3de7d55 100755
--- a/src/Kernel/KMisc.HC
+++ b/src/Kernel/KMisc.HC
@@ -161,17 +161,17 @@ U0 Sleep(I64 mS)
 }
 
 F64 Ona2Freq(I8 ona)
-{//Ona to freq. Ona=60 is 440.0Hz.
+{//Ona to freq. Ona=60 is 432.0Hz.
   if (!ona)
     return 0;
   else
-    return 440.0/32*2.0`(ona/12.0);
+    return 432.0/32*2.0`(ona/12.0);
 }
 
 I8 Freq2Ona(F64 freq)
-{//Freq to Ona. 440.0Hz is Ona=60.
+{//Freq to Ona. 432.0Hz is Ona=60.
   if (freq>0)
-    return ClampI64(12*Log2(32.0/440.0*freq),1,I8_MAX);
+    return ClampI64(12*Log2(32.0/432.0*freq),1,I8_MAX);
   else
     return 0;
 }
diff --git a/src/Tmp/MyDistro.iso b/src/Tmp/MyDistro.iso
index 216497e3..bc8e84b9 100755
Binary files a/src/Tmp/MyDistro.iso and b/src/Tmp/MyDistro.iso differ