--- linux-2.6/arch/i386/mach-default/setup.c.orig	2005-07-28 11:34:27.000000000 -0700
+++ linux-2.6/arch/i386/mach-default/setup.c	2005-07-28 11:35:33.000000000 -0700
@@ -66,6 +66,9 @@
  **/
 void __init pre_setup_arch_hook(void)
 {
+#ifdef CONFIG_X86_NUMAQ
+	tsc_disable = 1;
+#endif
 }
 
 /**